BRES2022-0672 Title 24BUILDING ENERGY ANALYSIS REPORT
PROJECT:
Remodel
51893 El Dorado Dr
La Quinta, CA 92253
Project
Designer:
German Santamaria
41905 Boardwalk Suite R
Palm Dessert, CA 92211
760-459-9694
Report Prepared by:
BRES2022-0672
CITY OF LA QUINTA
BUILDING DIVISION
REVIEWED FOR
CODE
COMPLIANCE
DATE 10/24/2022 B. j p
NEW SLIDING GLASS
DOOR & FIREPLACE
❑❑❑❑❑❑❑❑❑❑
REVIEWED FORgAiiitgIMPLIANCE
2019 CALIFORNIA RESI ULU D€ W8crbesign
2019CALIFO9rt5JlWNFO Chill Blvd,Suite #C222,
2019 CALIFORNIA ELECTRm46 fOnt, CA 91711
ill
2019 CALIFORNIA PLUMBING C
2019 CALIFORNIA MECHANICAL
2019 CALIFORNIA ENERGY CODE
2019 CALIFORNIA GREEN BUILDING STANDARDS CODE
2019 CALIFORNIA BUILDING CODE - STRUCTURAL DESIGN PROVISIONS ONLY
2019 CALIFORNIA FIRE CODE
OTHER: Ddte.
COMPLETION OF THIS REVIEW DOES NOT AUTHORIZE CONSTRUCTION TO PROCEED IN
VIOLATION OF ANY FEDEF812-9/2022AL REGULATIONS.
BY: MarkHankinson
G
-326-1120
DATE: Sep 10, 2022
INTERWEST CONSULTING GROUP
The CBECC-Res 2019 computer program has been used to perform the calculations summarized in this compliance report. This program has
approval and is authorized by the California Energy Commission for use with both the Residential and Nonresidential 2019 Building Energy Efficiency
Standards.
This program developed by Wrightsoft Corporation —www.wrightsoft.com.
TABLE OF CONTENTS
Cover Page 1
Table of Contents 2
Form CF-1 R-PRF-01-E Certificate of Compliance 3
Form RMS-1 Residential Measures Summary 10
Form MF-1 R Mandatory Measures Summary 11
CERTIFICATE OF COMPLIANCE
Project Name: Remodel
Calculation Description: Remodel
Calculation Date/Time: 2022-08-29T15:40:22-07:00
Input File Name: 51893 El Dorado Dr.ribdl9
CF1R-PRF-01E
(Page 1 of 8)
GENERAL INFORMATION
01
Project Name
Remodel
02
Run Title
Remodel
03
Project Location
51893 El Dorado Dr
04
City
La Quinta, CA
05
Standards Version
2019
06
Zip code
92253
07
Software Version
CBECC-Res 2019.2.0
08
Climate Zone
15
09
Front Orientation (deg/ Cardinal)
135
10
Building Type
Single family
11
Number of Dwelling Units
1
12
Project Scope
AdditionAlteration
13
Number of Bedrooms
4
14
Addition Cond. Floor Area (ft2)
0
15
Number of Stories
1
16
Existing Cond. Floor Area (ft2)
3612
17
Fenestration Average U-factor
0.49
18
Total Cond. Floor Area (ft2)
3612
19
Glazing Percentage (%)
17.38%
20
ADU Bedroom Count
n/a
21
ADU Conditioned Floor Area
n/a
22
Is Natural Gas Available?
Yes
COMPLIANCE RESULTS
01
Building Complies with Computer Performance
02
Building does not require field testing or HERS verification
03
This building incorporates one or more Special Features shown below
Energy Use (kTDV/ft2-yr)
Space Heating
Space Cooling
IAQ Ventilation
Water Heating
Self Utilization/Flexibility Credit
Compliance Energy Total
ENERGY USE SUMMARY
Standard Design
20.51
333.94
0
10.15
n/a
364.6
Proposed Design
21.03
329.49
0
10.15
0
360.67
Compliance Margin
-0.52
4.45
0
0
0
3.93
Percent Improvement
-2.5
1.3
0
n/a
1.1
Registration Number: 422-P010136000A-000-000-0000000-0000 Registration Date/Time: 08/29/2022 15:33 HERS Provider: CHEERS
NOTICE: This document has been generated by ConSol Home Energy Efficiency Rating System Services, Inc. (CHEERS) using information uploaded by third parties not affiliated with or related to CHEERS. Therefore, CHEERS is not
responsible for, and cannot guarantee, the accuracy or completeness of the information contained in this document.
CA Building Energy Efficiency Standards - 2019 Residential Compliance Report Version: 2019.2.000 Report Generated: 2022-08-29 15:41:05
Schema Version: rev 20200901
CERTIFICATE OF COMPLIANCE
Project Name: Remodel
Calculation Description: Remodel
Calculation Date/Time: 2022-08-29T15:40:22-07:00
Input File Name: 51893 El Dorado Dr.ribdl9
CF1R-PRF-01E
(Page 2 of 8)
REQUIRED SPECIAL FEATURES
The following are features that must be installed as condition for meeting the modeled energy performance for this computer analysis.
• Window overhangs and/or fins
HERS FEATURE SUMMARY
The following is a summary of the features that must be field -verified by a certified HERS Rater as a condition for meeting the modeled energy performance for this computer analysis. Additional
detail is provided in the buildng tables below. Registered CF2Rs and CF3Rs are required to be completed in the HERS Registry
Building -level Verifications:
• -- None --
Cooling System Verifications:
• -- None --
Heating System Verifications:
• -- None --
HVAC Distribution System Verifications:
• -- None --
Domestic Hot Water System Verifications:
• -- None --
BUILDING - FEATURES INFORMATION
01
02
03
04
05
06
07
Project Name
Conditioned Floor Area (ft2)
Number of Dwelling
Units
Number of Bedrooms
Number of Zones
Number of Ventilation
Cooling Systems
Number of Water
Heating Systems
Remodel
3612
1
4
1
0
1
ZONE INFORMATION
01
02
03
04
05
06
07
Zone Name
Zone Type
HVAC System Name
Zone Floor Area (ft2)
Avg. Ceiling Height
Water Heating System 1
Water Heating System 2
Existing 1-Story
Conditioned
Ex HVAC System
3612
11
Ex DHW System
N/A
Registration Number: 422-P010136000A-000-000-0000000-0000 Registration Date/Time: 08/29/2022 15:33 HERS Provider: CHEERS
NOTICE: This document has been generated by ConSol Home Energy Efficiency Rating System Services, Inc. (CHEERS) using information uploaded by third parties not affiliated with or related to CHEERS. Therefore, CHEERS is not
responsible for, and cannot guarantee, the accuracy or completeness of the information contained in this document.
CA Building Energy Efficiency Standards - 2019 Residential Compliance Report Version: 2019.2.000 Report Generated: 2022-08-29 15:41:05
Schema Version: rev 20200901
CERTIFICATE OF COMPLIANCE
Project Name: Remodel
Calculation Description: Remodel
Calculation Date/Time: 2022-08-29T15:40:22-07:00
Input File Name: 51893 El Dorado Dr.ribdl9
CF1R-PRF-01E
(Page 3 of 8)
OPAQUE SURFACES
01
02
03
04
05
06
07
08
09
10
11
Name
Zone
Construction
Azimuth
Orientation
Gross Area (ft) z
Window and
Door Area (ft2)
Tilt (deg)
Wall Exceptions
Status
Verified Existing
Condition
ExLeft
Existing 1-Story
R-0 Wall
225
Left
946
117
90
none
Existing
No
ExBack
Existing 1-Story
R-0 Wall
315
Back
715
328
90
none
Existing
No
ExFront
Existing 1-Story
R-0 Wall
135
Front
715
95
90
none
Existing
No
ExRight
Existing 1-Story
R-0 Wall
45
Right
946
129.75
90
none
Existing
No
Ceiling (below
attic)
Existing 1-Story
R-0 Ceiling below
attic
n/a
n/a
3612
n/a
n/a
Existing
No
ATTIC
01
02
03
04
05
06
07
08
09
10
Name
Construction
Type
Roof Rise
(x in 12)
Roof
Reflectance
Roof
Emittance
Radiant
Barrier
Cool Roof
Status
Verified Existing
Condition
Attic
Tile Roof
Ventilated
4
0.1
0.85
No
No
Existing
No
FENESTRATION / GLAZING
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
Name
Type
Surface
Orientation
Azimuth
Width
(ft)
Height
(ft)
Mult.
Area
(ftz)
U-factor
U-factor
Source
SHGC
SHGC
Source
Exterior
Shading
Status
Verified
Existing
Condition
Ex L1
Window
ExLeft
Left
225
1
117
1.28
NFRC
0.58
NFRC
Bug Screen
Existing
No
Ex B1
Window
ExBack
Back
315
1
128
1.28
NFRC
0.58
NFRC
Bug Screen
Existing
No
Ex F1
Window
ExFront
Front
135
1
74
1.28
NFRC
0.58
NFRC
Bug Screen
Existing
No
N 200100
Window
ExBack
Back
315
20
10
1
200
0.49
NFRC
0.25
NFRC
Bug Screen
Altered
No
Ex R1
Window
ExRight
Right
45
1
108.7
1.28
NFRC
0.58
NFRC
Bug Screen
Existing
No
Registration Number: 422-P010136000A-000-000-0000000-0000 Registration Date/Time: 08/29/2022 15:33 HERS Provider: CHEERS
NOTICE: This document has been generated by ConSol Home Energy Efficiency Rating System Services, Inc. (CHEERS) using information uploaded by third parties not affiliated with or related to CHEERS. Therefore, CHEERS is not
responsible for, and cannot guarantee, the accuracy or completeness of the information contained in this document.
CA Building Energy Efficiency Standards - 2019 Residential Compliance Report Version: 2019.2.000 Report Generated: 2022-08-29 15:41:05
Schema Version: rev 20200901
CERTIFICATE OF COMPLIANCE
Project Name: Remodel
Calculation Description: Remodel
Calculation Date/Time: 2022-08-29T15:40:22-07:00
Input File Name: 51893 El Dorado Dr.ribdl9
CF1R-PRF-01E
(Page 4 of 8)
OPAQUE DOORS
01
02
03
04
05
06
Name
Side of Building
Area (ft2)
U-factor
Status
Verified Existing Condition
ED1
ExFront
21
0.5
Existing
No
ED2
ExRight
21
0.5
Existing
No
OVERHANGS AND FINS
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
Window
Overhang
Left Fin
Right Fin
Depth
Dist Up
Left
Extent
Right
Extent
Flap Ht.
Depth
Top Up
Dist L
Bot Up
Depth
Top Up
Dist R
Bot Up
Status
Verified
Existing
Condition
Existing
Construction
N 200100
12
2
10
2
0
0
0
0
0
0
0
0
0
red
No
SLAB FLOORS
01
02
03
04
05
06
07
08
09
10
Name
Zone
Area (ft2)
Perimeter (ft)
Edge Insul.
R-value and
Depth
Edge Insul.
R-value and
Depth
Carpeted Fraction
Heated
Status
Verified Existing
Condition
Ex Slab On
Grade
Existing 1-Story
3612
255
none
0
80%
No
ExistingNo
Registration Number: 422-P010136000A-000-000-0000000-0000 Registration Date/Time: 08/29/2022 15:33 HERS Provider: CHEERS
NOTICE: This document has been generated by ConSol Home Energy Efficiency Rating System Services, Inc. (CHEERS) using information uploaded by third parties not affiliated with or related to CHEERS. Therefore, CHEERS is not
responsible for, and cannot guarantee, the accuracy or completeness of the information contained in this document.
CA Building Energy Efficiency Standards - 2019 Residential Compliance Report Version: 2019.2.000 Report Generated: 2022-08-29 15:41:05
Schema Version: rev 20200901
CERTIFICATE OF COMPLIANCE
Project Name: Remodel
Calculation Description: Remodel
Calculation Date/Time: 2022-08-29T15:40:22-07:00
Input File Name: 51893 El Dorado Dr.ribdl9
CF1R-PRF-01E
(Page 5 of 8)
OPAQUE SURFACE CONSTRUCTIONS
01
02
03
04
05
06
07
08
Construction Name
Surface Type
Construction Type
Framing
Total Cavity
R value
Interior / Exterior
Continuous
R-value
U-factor
Assembly Layers
R-0 Wall
Exterior Walls
Wood Framed Wall
2x4 @ 16 in. O. C.
R-0
None / None
0.361
Inside Finish: Gypsum Board
Cavity / Frame: no insul. / 2x4
Exterior Finish: 3 Coat Stucco
Tile Roof
Attic Roofs
Wood Framed
Ceiling
2x6 @ 16 in. 0. C.
R-0
None / None
0.389
Roofing: 10 PSF (RoofTileAirGap)
Tile Gap: present
Roof Deck: Wood
Siding/sheathing/decking
Cavity / Frame: no insul. / 2x6
R-0 Ceiling below attic
Ceilings (below
attic)
Wood Framed
Ceiling
2x6 @ 16 in. O. C.
R-0
None / None
0.467
Cavity / Frame: no insul. / 2x6
Inside Finish: Gypsum Board
BUILDING ENVELOPE - HERS VERIFICATION
01
02
03
04
Quality Insulation Installation (QII)
High R-value Spray Foam Insulation
Building Envelope Air Leakage
CFM50
Not Required
Not Required
Not Required
n/a
WATER HEATING SYSTEMS
01
02
03
04
05
06
07
08
09
10
Name
System Type
Distribution Type
Water Heater Name (#)
Solar Heating
System
Compact
Distribution
HERS Verification
Status
Verified
Existing
Condition
Existing
Water
Heating
System
Ex DHW System
Domestic Hot
Water (DHW)
Standard
Distribution
System
Max. 50 Gal or less (1)
n/a
None
n/a
Existing
No
Registration Number: 422-P010136000A-000-000-0000000-0000 Registration Date/Time: 08/29/2022 15:33 HERS Provider: CHEERS
NOTICE: This document has been generated by ConSol Home Energy Efficiency Rating System Services, Inc. (CHEERS) using information uploaded by third parties not affiliated with or related to CHEERS. Therefore, CHEERS is not
responsible for, and cannot guarantee, the accuracy or completeness of the information contained in this document.
CA Building Energy Efficiency Standards - 2019 Residential Compliance Report Version: 2019.2.000 Report Generated: 2022-08-29 15:41:05
Schema Version: rev 20200901
CERTIFICATE OF COMPLIANCE
Project Name: Remodel
Calculation Description: Remodel
Calculation Date/Time: 2022-08-29T15:40:22-07:00
Input File Name: 51893 El Dorado Dr.ribdl9
CF1R-PRF-01E
(Page 6 of 8)
WATER HEATERS
01
02
03
04
05
06
07
08
09
10
11
12
13
14
Name
Heating
Element
Type
Tank Type
# of
Units
Tank
Vol.
(gal)
Energy
Factor or
Efficiency
Input Rating
or Pilot
Tank
Insulation
R-value
(Int/Ext)
Standby
Loss or
Recovery Eff
1st Hr.
Rating or
Flow Rate
NEEA Heat Pump
Brand or Model
Tank Location
or Ambient
Condition
Status
Verified
Existing
Condition
Max. 50
Gal or less
Gas
Consumer
Storage
1
50
0.56-UEF
<= 75
kBtu/hr
0
78
80 gal
n/a
n/a
Existing
No
WATER HEATING - HERS VERIFICATION
01
02
03
04
05
06
07
08
Name
Pipe Insulation
Parallel Piping
Compact Distribution
Compact
Distribution
Type
Recirculation Control
Central DHW
Distribution
Shower Drain Water
Heat Recovery
Ex DHW System - 1/1
Not Required
Not Required
Not Required
None
Not Required
Not Required
Not Required
SPACE CONDITIONING SYSTEMS
01
02
03
04
05
06
07
08
09
10
11
Name
System Type
Heating Unit
Name
Cooling Unit
Name
Fan Name
Distribution
Name
Required
Thermostat
Type
Status
Verified
Existing
Condition
Heating
Equipment
Count
Cooling
Equipment
Count
Ex HVAC System
Heating and cooling system
other
Furn 80
Cooling
System
HVAC Fan
System 1
Attic Default
n/a
Existing
No
1
1
HVAC - HEATING UNIT TYPES
01
02
03
04
Name
System Type
Number of Units
Heating Efficiency
Furn 80
Central gas furnace
1
AFUE-80
Registration Number: 422-P010136000A-000-000-0000000-0000 Registration Date/Time: 08/29/2022 15:33 HERS Provider: CHEERS
NOTICE: This document has been generated by ConSol Home Energy Efficiency Rating System Services, Inc. (CHEERS) using information uploaded by third parties not affiliated with or related to CHEERS. Therefore, CHEERS is not
responsible for, and cannot guarantee, the accuracy or completeness of the information contained in this document.
CA Building Energy Efficiency Standards - 2019 Residential Compliance Report Version: 2019.2.000 Report Generated: 2022-08-29 15:41:05
Schema Version: rev 20200901
CERTIFICATE OF COMPLIANCE
Project Name: Remodel
Calculation Description: Remodel
Calculation Date/Time: 2022-08-29T15:40:22-07:00
Input File Name: 51893 El Dorado Dr.ribdl9
CF1R-PRF-01E
(Page 7 of 8)
HVAC - COOLING UNIT TYPES
01
02
03
04
05
06
07
08
Name
System Type
Number of Units
Efficiency EER/CEER
Efficiency SEER
Zonally Controlled
Mulit-speed
Compressor
HERS Verification
Cooling System
Central split AC
1
11.3
13
Not Zonal
Single Speed
Cooling System
-hers-cool
HVAC - DISTRIBUTION SYSTEMS
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
Duct Ins R-value
Duct Location
Surface Area
Name
Type
Design
Type
Supply
Return
Supply
Return
Supply
Return
Bypass
Duct
Duct
Leakage
HERS
Verification
Status
Verified
Existing
Condition
Existing
Distribution
system
New Ducts
40 ft
Attic
Default
Unconditioned
attic
Non -No
Verified
R-4.2
R-4.2
Attic
Attic
n/a
n/a
Bypass
Duct
Existing
(not
specified)
Attic
Default-
hers-dist
Existing
No
n/a
n/a
HVAC - FAN SYSTEMS
01
02
03
04
Name
Type
Fan Power (Watts/CFM)
Name
HVAC Fan System 1
HVAC Fan
0.45
HVAC Fan System 1-hers-fan
HVAC FAN SYSTEMS - HERS VERIFICATION
01
02
03
Name
Verified Fan Watt Draw
Required Fan Efficacy (Watts/CFM)
HVAC Fan System 1-hers-fan
Not Required
0
Registration Number: 422-P010136000A-000-000-0000000-0000 Registration Date/Time: 08/29/2022 15:33 HERS Provider: CHEERS
NOTICE: This document has been generated by ConSol Home Energy Efficiency Rating System Services, Inc. (CHEERS) using information uploaded by third parties not affiliated with or related to CHEERS. Therefore, CHEERS is not
responsible for, and cannot guarantee, the accuracy or completeness of the information contained in this document.
CA Building Energy Efficiency Standards - 2019 Residential Compliance Report Version: 2019.2.000 Report Generated: 2022-08-29 15:41:05
Schema Version: rev 20200901
CERTIFICATE OF COMPLIANCE
Project Name: Remodel
Calculation Description: Remodel
Calculation Date/Time: 2022-08-29T15:40:22-07:00
Input File Name: 51893 El Dorado Dr.ribdl9
CF1R-PRF-01E
(Page 8 of 8)
DOCUMENTATION AUTHOR'S DECLARATION STATEMENT
1. I certify that this Certificate of Compliance documentation is accurate and complete.
Documentation Author Name:
Carlos Castro
Documentation Author Signature:
Cc 4Co,tro-
Company:
Alpine Home & Design
Signature Date:
08/29/2022
Address:
915 W. Foothill Blvd, Suite #C222
CEA/ HERS Certification Identification (If applicable):
City/State/Zip:
Claremont, CA 91711
Phone:
909-766-8338
RESPONSIBLE PERSON'S DECLARATION STATEMENT
I certify the following under penalty of perjury, under the laws of the State of California:
1. I am eligible under Division 3 of the Business and Professions Code to accept responsibility for the building design identified on this Certificate of Compliance.
2. I certify that the energy features and performance specifications identified on this Certificate of Compliance conform to the requirements of Title 24, Part 1 and Part 6 of the California Code of Regulations.
3. The building design features or system design features identified on this Certificate of Compliance are consistent with the information provided on other applicable compliance documents, worksheets,
calculations, plans and specifications submitted to the enforcement agency for approval with this building permit application.
Responsible Designer Name:
Carlos Castro
Responsible Designer Signature:
Ca440111C ,tro-
Company:
Alpine Home & Design
Date Signed:
08/29/2022
Address:
915 W. Foothill Blvd, Suite #C222
License:
City/State/Zip:
Claremont, CA 91711
Phone:
909-766-8338
Digitally signed by ConSol Home Energy Efficiency Rating System Services, Inc. (CHEERS). This digital signature is provided in order to secure the
content of this registered document, and in no way implies Registration Provider responsibility for the accuracy of the information.
Registration Number: 422-P010136000A-000-000-0000000-0000 Registration Date/Time: 08/29/2022 15:33 HERS Provider: CHEERS
NOTICE: This document has been generated by ConSol Home Energy Efficiency Rating System Services, Inc. (CHEERS) using information uploaded by third parties not affiliated with or related to CHEERS. Therefore, CHEERS is not
responsible for, and cannot guarantee, the accuracy or completeness of the information contained in this document.
CA Building Energy Efficiency Standards - 2019 Residential Compliance Report Version: 2019.2.000 Report Generated: 2022-08-29 15:41:05
Schema Version: rev 20200901
2019 Low -Rise Residential Mandatory Measures Summary
NOTE: Low-rise residential buildings subject to the Energy Standards must comply with all applicable mandatory measures, regardless of the compliance approach
used. Review the respective section for more information. *Exceptions may apply.
(01 /2020)
Building Envelope Measures:
Air Leakage. Manufactured fenestration, exterior doors, and exterior pet doors must limit air leakage to 0.3 CFM per square foot or less
§ 110.6(a)1: when tested per NFRC-400, ASTM E283 or AAMANVDMA/CSA 101/I.S.2/A440-2011.'
§ 110.6(a)5: Labeling. Fenestration products and exterior doors must have a label meeting the requirements of § 10-111(a).
Field fabricated exterior doors and fenestration products must use U-factors and solar heat gain coefficient (SHGC) values from Tables
§ 110.6(b): 110.6-A, 110.6-B, or JA4.5 for exterior doors. They must be caulked and/or weather-stripped.'
Air Leakage. All joints, penetrations, and other openings in the building envelope that are potential sources of air leakage must be caulked,
§ 110.7: gasketed, or weather stripped.
§ 110.8(a): Insulation Certification by Manufacturers. Insulation must be certified by the Department of Consumer Affairs, Bureau of Household Goods
and Services (BHGS).
§ 110.8(g): Insulation Requirements for Heated Slab Floors. Heated slab floors must be insulated per the requirements of § 110.8(g).
Roofing Products Solar Reflectance and Thermal Emittance. The thermal emittance and aged solar reflectance values of the roofing
§ 110.8(i): material must meet the requirements of § 110.8(i) and be labeled per §10-113 when the installation of a cool roof is specified on the CF1 R.
§ 110.8(j): Radiant Barrier. When required, radiant barriers must have an emittance of 0.05 or less and be certified to the Department of Consumer Affairs.
Ceiling and Rafter Roof Insulation. Minimum R-22 insulation in wood -frame ceiling; or the weighted average U-factor must not exceed 0.043.
Minimum R-19 or weighted average U-factor of 0.054 or less in a rafter roof alteration. Attic access doors must have permanently attached
§ 150.0(a): insulation using adhesive or mechanical fasteners. The attic access must be gasketed to prevent air leakage. Insulation must be installed in
direct contact with a continuous roof or ceiling which is sealed to limit infiltration and exfiltration as specified in § 110.7, including but not limited
to placing insulation either above or below the roof deck or on top of a drywall ceiling.'
§ 150.0(b): Loose -fill Insulation. Loose fill insulation must meet the manufacturer's required density for the labeled R-value.
Wall Insulation. Minimum R-13 insulation in 2x4 inch wood framing wall or have a U-factor of 0.102 or less, or R-20 in 2x6 inch wood framing or
§ 150.0(c): have a U-factor of 0.071 or less. Opaque non -framed assemblies must have an overall assembly U-factor not exceeding 0.102. Masonry walls
must meet Tables 150.1-A or B.'
§ 150.0(d): Raised -floor Insulation. Minimum R-19 insulation in raised wood framed floor or 0.037 maximum U-factor.'
Slab Edge Insulation. Slab edge insulation must meet all of the following: have a water absorption rate, for the insulation material alone without
§ 150.0(f): facings, no greater than 0.3 percent; have a water vapor permeance no greater than 2.0 perm per inch; be protected from physical damage and
UV light deterioration; and, when installed as part of a heated slab floor, meet the requirements of § 110.8(g).
Vapor Retarder. In climate zones 1 through 16, the earth floor of unvented crawl space must be covered with a Class I or Class II vapor
§ 150.0(g)1: retarder. This requirement also applies to controlled ventilation crawl space for buildings complying with the exception to § 150.0(d).
Vapor Retarder. In climate zones 14 and 16, a Class I or Class II vapor retarder must be installed on the conditioned space side of all
§ 150.0(g)2: insulation in all exterior walls, vented attics, and unvented attics with air -permeable insulation.
Fenestration Products. Fenestration, including skylights, separating conditioned space from unconditioned space or outdoors must have a
§ 150.0(q): maximum U-factor of 0.58; or the weighted average U-factor of all fenestration must not exceed 0.58.'
Fireplaces, Decorative Gas Appliances, and Gas Log Measures:
_
§ 110.5(e) Pilot Light. Continuously burning pilot lights are not allowed for indoor and outdoor fireplaces.
§ 150.0(e)1: Closable Doors. Masonry or factory -built fireplaces must have a closable metal or glass door covering the entire opening of the firebox.
Combustion Intake. Masonry or factory -built fireplaces must have a combustion outside air intake, which is at least six square inches in area
§ 150.0(e)2: and is equipped with a readily accessible, operable, and tight -fitting damper or combustion -air control device.'
§ 150.0(e)3: Flue Damper. Masonry or factory -built fireplaces must have a flue damper with a readily accessible control.'
Space Conditioning, Water Heating, and Plumbing System Measures:
Certification. Heating, ventilation and air conditioning (HVAC) equipment, water heaters, showerheads, faucets, and all other regulated
§ 110.0-§ 110.3: appliances must be certified by the manufacturer to the California Energy Commission.'
§ 110.2(a): HVAC Efficiency. Equipment must meet the applicable efficiency requirements in Table 110.2-A through Table 110.2-K.'
Controls for Heat Pumps with Supplementary Electric Resistance Heaters. Heat pumps with supplementary electric resistance heaters
§ 110.2(b): must have controls that prevent supplementary heater operation when the heating load can be met by the heat pump alone; and in which the
cut -on temperature for compression heating is higher than the cut -on temperature for supplementary heating, and the cut-off temperature for
compression heating is higher than the cut-off temperature for supplementary heating.'
Thermostats. All heating or cooling systems not controlled by a central energy management control system (EMCS) must have a
§ 110.2(c): setback thermostat.'
Water Heating Recirculation Loops Serving Multiple Dwelling Units. Water heating recirculation loops serving multiple dwelling units must
§ 110.3(c)4: meet the air release valve, backflow prevention, pump priming, pump isolation valve, and recirculation loop connection requirements of
§ 110.3(c)4.
Isolation Valves. Instantaneous water heaters with an input rating greater than 6.8 kBtu per hour (2 kW) must have isolation valves with hose
§ 110.3(c)6: bibbs or other fittings on both cold and hot water lines to allow for flushing the water heater when the valves are closed.
Pilot Lights. Continuously burning pilot lights are prohibited for natural gas: fan -type central furnaces; household cooking appliances (except
§ 110.5: appliances without an electrical supply voltage connection with pilot lights that consume less than 150 Btu per hour ); and pool and spa heaters.'
Building Cooling and Heating Loads. Heating and/or cooling loads are calculated in accordance with the ASHRAE Handbook,
§ 150.0(h)1: Equipment Volume, Applications Volume, and Fundamentals Volume; the SMACNA Residential Comfort System Installation Standards
Manual; or the ACCA Manual J using design conditions specified in § 150.0(h)2.
2019 Low -Rise Residential Mandatory Measures Summary
§ 150.0(h)3A: Clearances. Air conditioner and heat pump outdoor condensing units must have a clearance of at least five feet from the outlet of any dryer
Liquid Line Drier. Air conditioners and heat pump systems must be equipped with liquid line filter driers if required, as specified by the
§ 150.0(h)3B: manufacturer's instructions.
Storage Tank Insulation. Unfired hot water tanks, such as storage tanks and backup storage tanks for solar water -heating systems, must have
§ 150.0(j)1: a minimum of R-12 external insulation or R-16 internal insulation where the internal insulation R-value is indicated on the exterior of the tank.
Water Piping, Solar Water -heating System Piping, and Space Conditioning System Line Insulation. All domestic hot water piping must
be insulated as specified in Section 609.11 of the California Plumbing Code. In addition, the following piping conditions must have a minimum
§ 150.O(j)2A: insulation wall thickness of one inch or a minimum insulation R-value of 7.7: the first five feet of cold water pipes from the storage tank; all hot
water piping with a nominal diameter equal to or greater than 3/4 inch and less than one inch; all hot water piping with a nominal diameter less
than 3/4 inch that is: associated with a domestic hot water recirculation system, from the heating source to storage tank or between tanks,
buried below grade, and from the heating source to kitchen fixtures.*
Insulation Protection. Piping insulation must be protected from damage, including that due to sunlight, moisture, equipment maintenance, and
wind as required by Section 120.3(b). Insulation exposed to weather must be water retardant and protected from UV light (no adhesive tapes).
§ 150.0(j)3: Insulation covering chilled water piping and refrigerant suction piping located outside the conditioned space must include, or be protected by, a
Class I or Class II vapor retarder. Pipe insulation buried below grade must be installed in a waterproof and non -crushable casing or sleeve.
Gas or Propane Water Heating Systems. Systems using gas or propane water heaters to serve individual dwelling units must include all of
the following: A dedicated 125 volt, 20 amp electrical receptacle connected to the electric panel with a 120/240 volt 3 conductor, 10 AWG
copper branch circuit, within three feet of the water heater without obstruction. Both ends of the unused conductor must be labeled with the
§ 150.0(n)1: word "spare" and be electrically isolated. Have a reserved single pole circuit breaker space in the electrical panel adjacent to the circuit breaker
for the branch circuit and labeled with the words "Future 240V Use"; a Category III or IV vent, or a Type B vent with straight pipe between the
outside termination and the space where the water heater is installed; a condensate drain that is no more than two inches higher than the base
of the water heater, and allows natural draining without pump assistance; and a gas supply line with a capacity of at least 200,000 Btu per hour.
§ 150.0(n)2: Recirculating Loops. Recirculating loops serving multiple dwelling units must meet the requirements of § 110.3(c)5.
Solar Water -heating Systems. Solar water -heating systems and collectors must be certified and rated by the Solar Rating and Certification
§ 150.0(n)3: Corporation (SRCC), the International Association of Plumbing and Mechanical Officials, Research and Testing (IAPMO R&T), or by a listing
agency that is approved by the Executive Director.
Ducts and Fans Measures:
Ducts. Insulation installed on an existing space -conditioning duct must comply with § 604.0 of the California Mechanical Code (CMC). If a
§ 110.8(d)3: contractor installs the insulation, the contractor must certify to the customer, in writing, that the insulation meets this requirement.
CMC Compliance. All air -distribution system ducts and plenums must meet the requirements of the CMC §§ 601.0, 602.0, 603.0, 604.0, 605.0
and ANSI/SMACNA-006-2006 HVAC Duct Construction Standards Metal and Flexible 3rd Edition. Portions of supply -air and return -air ducts and
plenums must be insulated to a minimum installed level of R-6.0 or a minimum installed level of R-4.2 when ducts are entirely in conditioned
space as confirmed through field verification and diagnostic testing (RA3.1.4.3.8). Portions of the duct system completely exposed and
surrounded by directly conditioned space are not required to be insulated. Connections of metal ducts and inner core of flexible ducts must be
§ 150.0(m)1: mechanically fastened. Openings must be sealed with mastic, tape, or other duct -closure system that meets the applicable requirements of UL
181, UL 181A, or UL 181 B or aerosol sealant that meets the requirements of UL 723. If mastic or tape is used to seal openings greater than
inch, the combination of mastic and either mesh or tape must be used. Building cavities, support platforms for air handlers, and plenums
designed or constructed with materials other than sealed sheet metal, duct board or flexible duct must not be used to convey conditioned air.
Building cavities and support platforms may contain ducts. Ducts installed in cavities and support platforms must not be compressed to cause
reductions in the cross -sectional area.'
Factory -Fabricated Duct Systems. Factory -fabricated duct systems must comply with applicable requirements for duct construction,
§ 150.0(m)2: connections, and closures; joints and seams of duct systems and their components must not be sealed with cloth back rubber adhesive duct
tapes unless such tape is used in combination with mastic and draw bands.
Field -Fabricated Duct Systems. Field -fabricated duct systems must comply with applicable requirements for: pressure -sensitive tapes,
§ 150.0(m)3: mastics, sealants, and other requirements specified for duct construction.
§ 150.0(m)7: Backdraft Damper. Fan systems that exchange air between the conditioned space and outdoors must have backdraft or automatic dampers.
Gravity Ventilation Dampers. Gravity ventilating systems serving conditioned space must have either automatic or readily accessible,
§ 150.0(m)8: manually operated dampers in all openings to the outside, except combustion inlet and outlet air openings and elevator shaft vents.
Protection of Insulation. Insulation must be protected from damage, sunlight, moisture, equipment maintenance, and wind. Insulation exposed
§ 150.0(m)9: to weather must be suitable for outdoor service. For example, protected by aluminum, sheet metal, painted canvas, or plastic cover. Cellular
foam insulation must be protected as above or painted with a coating that is water retardant and provides shielding from solar radiation.
§ 150.0(m)10: Porous Inner Core Flex Duct. Porous inner core flex ducts must have a non -porous layer between the inner core and outer vapor barrier.
Duct System Sealing and Leakage Test. When space conditioning systems use forced air duct systems to supply conditioned air to an
§ 150.0(m)11: occupiable space, the ducts must be sealed and duct leakage tested, as confirmed through field verification and diagnostic testing, in
accordance with § 150.0(m)11 and Reference Residential Appendix RA3.
Air Filtration. Space conditioning systems with ducts exceeding 10 feet and the supply side of ventilation systems must have MERV 13 or
§ 150.0(m)12: equivalent filters. Filters for space conditioning systems must have a two inch depth or can be one inch if sized per Equation 150.0-A. Pressure
drops and labeling must meet the requirements in §150.0(m)12. Filters must be accessible for regular service.*
Space Conditioning System Airflow Rate and Fan Efficacy. Space conditioning systems that use ducts to supply cooling must have a hole
for the placement of a static pressure probe, or a permanently installed static pressure probe in the supply plenum. Airflow must be >_ 350 CFM
§ 150.0(m)13: per ton of nominal cooling capacity, and an air -handling unit fan efficacy <_ 0.45 watts per CFM for gas furnace air handlers and <_ 0.58 watts per
CFM for all others. Small duct high velocity systems must provide an airflow >_ 250 CFM per ton of nominal cooling capacity, and an air -handling
unit fan efficacy <_ 0.62 watts per CFM. Field verification testing is required in accordance with Reference Residential Appendix RA3.3.*
2019 Low -Rise Residential Mandatory Measures Summary
Requirements for Ventilation and Indoor Air Quality:
Requirements for Ventilation and Indoor Air Quality. All dwelling units must meet the requirements of ASHRAE Standard 62.2, Ventilation
§ 150.0(0)1: and Acceptable Indoor Air Quality in Residential Buildings subject to the amendments specified in § 150.0(0)1.
Single Family Detached Dwelling Units. Single family detached dwelling units, and attached dwelling units not sharing ceilings or floors with
§ 150.0(o)1C: other dwelling units, occupiable spaces, public garages, or commercial spaces must have mechanical ventilation airflow provided at rates
determined by ASHRAE 62.2 Sections 4.1.1 and 4.1.2 and as specified in § 150.0(0)1 C.
Multifamily Attached Dwelling Units. Multifamily attached dwelling units must have mechanical ventilation airflow provided at rates in
accordance with Equation 150.0-B and must be either a balanced system or continuous supply or continuous exhaust system. If a balanced
§ 150.0(0)1 E: system is not used, all units in the building must use the same system type and the dwelling -unit envelope leakage must be <_ 0.3 CFM at 50 Pa
(0.2 inch water) per square foot of dwelling unit envelope surface area and verified in accordance with Reference Residential Appendix RA3.8.
Multifamily Building Central Ventilation Systems. Central ventilation systems that serve multiple dwelling units must be balanced to provide
§ 150.0(o)1 F: ventilation airflow for each dwelling unit served at a rate equal to or greater than the rate specified by Equation 150.0-B. All unit airflows must be
within 20 percent of the unit with the lowest airflow rate as it relates to the individual unit's minimum required airflow rate needed for compliance.
§ 150.0(o)1G: Kitchen Range Hoods. Kitchen range hoods must be rated for sound in accordance with Section 7.2 of ASHRAE 62.2.
Field Verification and Diagnostic Testing. Dwelling unit ventilation airflow must be verified in accordance with Reference Residential
§ 150.0(0)2: Appendix RA3.7. A kitchen range hood must be verified in accordance with Reference Residential Appendix RA3.7.4.3 to confirm it is
rated by HVI to comply with the airflow rates and sound requirements as specified in Section 5 and 7.2 of ASHRAE 62.2.
Pool and Spa Systems and Equipment Measures:
_
Certification by Manufacturers. Any pool or spa heating system or equipment must be certified to have all of the following: a thermal efficiency
§ 110.4(a): that complies with the Appliance Efficiency Regulations; an on -off switch mounted outside of the heater that allows shutting off the heater
without adjusting the thermostat setting; a permanent weatherproof plate or card with operating instructions; and must not use electric
resistance heating.*
Piping. Any pool or spa heating system or equipment must be installed with at least 36 inches of pipe between the filter and the heater, or
§ 110.4(b)1: dedicated suction and return lines, or built-in or built-up connections to allow for future solar heating.
§ 110.4(b)2: Covers. Outdoor pools or spas that have a heat pump or gas heater must have a cover.
Directional Inlets and Time Switches for Pools. Pools must have directional inlets that adequately mix the pool water, and a time switch that
§ 110.4(b)3: will allow all pumps to be set or programmed to run only during off-peak electric demand periods.
§ 110.5: Pilot Light. Natural gas pool and spa heaters must not have a continuously burning pilot light.
Pool Systems and Equipment Installation. Residential pool systems or equipment must meet the specified requirements for pump sizing, flow
§ 150.0(p): rate, piping, filters, and valves.*
Lighting Measures:
Lighting Controls and Components. All lighting control devices and systems, ballasts, and luminaires must meet the applicable requirements
§ 110.9: of§110.9.*
§ 150.0(k)1A: Luminaire Efficacy. All installed luminaires must meet the requirements in Table 150.0-A.
Blank Electrical Boxes. The number of electrical boxes that are more than five feet above the finished floor and do not contain a luminaire or
§ 150.0(k)1 B: other device must be no greater than the number of bedrooms. These electrical boxes must be served by a dimmer, vacancy sensor control, or
fan speed control.
§ 150.0(k)1 C: Recessed Downlight Luminaires in Ceilings. Luminaires recessed into ceilings must meet all of the requirements for: insulation contact (IC)
labeling; air leakage; sealing; maintenance; and socket and light source as described in § 150.0(k)1C.
Electronic Ballasts for Fluorescent Lamps. Ballasts for fluorescent lamps rated 13 watts or greater must be electronic and must have an
§ 150.0(k)1 D: output frequency no less than 20 kHz.
§ 150.0(k)1 E: Night Lights, Step Lights, and Path Lights. Night lights, step lights and path lights are not required to comply with Table 150.0-A or be
controlled by vacancy sensors provided they are rated to consume no more than 5 watts of power and emit no more than 150 lumens.
Lighting Integral to Exhaust Fans. Lighting integral to exhaust fans (except when installed by the manufacturer in kitchen exhaust hoods)
§ 150.0(k)1 F: must meet the applicable requirements of § 150.0(k).*
§ 150.0(k)1 G: Screw based luminaires. Screw based luminaires must contain lamps that comply with Reference Joint Appendix JA8.'
§ 150.0(k)1 H: Light Sources in Enclosed or Recessed Luminaires. Lamps and other separable light sources that are not compliant with the JA8 elevated
temperature requirements, including marking requirements, must not be installed in enclosed or recessed luminaires.
Light Sources in Drawers, Cabinets, and Linen Closets. Light sources internal to drawers, cabinetry or linen closets are not required to
§ 150.0(k)11: comply with Table 150.0-A or be controlled by vacancy sensors provided that they are rated to consume no more than 5 watts of power, emit no
more than 150 lumens, and are equipped with controls that automatically turn the lighting off when the drawer, cabinet or linen closet is closed.
§ 150.0(k)2A: Interior Switches and Controls. All forward phase cut dimmers used with LED light sources must comply with NEMA SSL 7A.
§ 150.0(k)2B: Interior Switches and Controls. Exhaust fans must be controlled separately from lighting systems.'
Interior Switches and Controls. Lighting must have readily accessible wall -mounted controls that allow the lighting to be manually
§ 150.0(k)2C: turned ON and OFF.*
§ 150.0(k)2D: Interior Switches and Controls. Controls and equipment must be installed in accordance with manufacturer's instructions.
Interior Switches and Controls. Controls must not bypass a dimmer, occupant sensor, or vacancy sensor function if the control is installed to
§ 150.0(k)2E: comply with § 150.0(k).
§ 150.0(k)2F: Interior Switches and Controls. Lighting controls must comply with the applicable requirements of § 110.9.
2019 Low -Rise Residential Mandatory Measures Summary
Interior Switches and Controls. An energy management control system (EMCS) may be used to comply with control requirements if it:
§ 150.0(k)2G: provides functionality of the specified control according to § 110.9; meets the Installation Certificate requirements of § 130.4; meets the
EMCS requirements of § 130.0(e); and meets all other requirements in § 150.0(k)2.
Interior Switches and Controls. A multiscene programmable controller may be used to comply with dimmer requirements in § 150.0(k) if it
§ 150.0(k)2H: provides the functionality of a dimmer according to § 110.9, and complies with all other applicable requirements in § 150.0(k)2.
Interior Switches and Controls. In bathrooms, garages, laundry rooms, and utility rooms, at least one luminaire in each of these spaces must
§ 150.0(k)21: be controlled by an occupant sensor or a vacancy sensor providing automatic -off functionality. If an occupant sensor is installed, it must be
initially configured to manual -on operation using the manual control required under Section 150.0(k)2C.
Interior Switches and Controls. Luminaires that are or contain light sources that meet Reference Joint Appendix JA8 requirements for
§ 150.0(k)2J: dimming, and that are not controlled by occupancy or vacancy sensors, must have dimming controls.*
§ 150.0(k)2K: Interior Switches and Controls. Under cabinet lighting must be controlled separately from ceiling -installed lighting systems.
Residential Outdoor Lighting. For single-family residential buildings, outdoor lighting permanently mounted to a residential building, or to other
§ 150.0(k)3A: buildings on the same lot, must meet the requirement in item § 150.0(k)3Ai (ON and OFF switch) and the requirements in either
§ 150.0(k)3Aii (photocell and either a motion sensor or automatic time switch control) or § 150.0(k)3Aiii (astronomical time clock), or an EMCS.
Residential Outdoor Lighting. For low-rise residential buildings with four or more dwelling units, outdoor lighting for private patios, entrances,
§ 150.0(k)3B: balconies, and porches; and residential parking lots and carports with less than eight vehicles per site must comply with either § 150.0(k)3A or
with the applicable requirements in Sections 110.9, 130.0, 130.2, 130.4, 140.7 and 141.0.
Residential Outdoor Lighting. For low-rise residential buildings with four or more dwelling units, any outdoor lighting for residential parking lots
§ 150.0(k)3C: or carports with a total of eight or more vehicles per site and any outdoor lighting not regulated by § 150.0(k)3B or § 150.0(k)3D must comply with
the applicable requirements in Sections 110.9, 130.0, 130.2, 130.4, 140.7 and 141.0.
Internally illuminated address signs. Internally illuminated address signs must comply with § 140.8; or must consume no more than 5 watts of
§ 150.0(k)4: power as determined according to § 130.0(c).
Residential Garages for Eight or More Vehicles. Lighting for residential parking garages for eight or more vehicles must comply with the
§ 150.0(k)5: applicable requirements for nonresidential garages in Sections 110.9, 130.0, 130.1, 130.4, 140.6, and 141.0.
Interior Common Areas of Low-rise Multifamily Residential Buildings. In a low-rise multifamily residential building where the total interior
§ 150.0(k)6A: common area in a single building equals 20 percent or less of the floor area, permanently installed lighting for the interior common areas in that
building must be comply with Table 150.0-A and be controlled by an occupant sensor.
Interior Common Areas of Low-rise Multifamily Residential Buildings. In a low-rise multifamily residential building where the total interior
common area in a single building equals more than 20 percent of the floor area, permanently installed lighting for the interior common areas in
that building must:
§ 150.0(k)6B: i. Comply with the applicable requirements in Sections 110.9, 130.0, 130.1,140.6 and 141.0; and
ii. Lighting installed in corridors and stairwells must be controlled by occupant sensors that reduce the lighting power in each space by at least
50 percent. The occupant sensors must be capable of turning the light fully on and off from all designed paths of ingress and egress.
Solar Ready Buildings:
Single Family Residences. Single family residences located in subdivisions with 10 or more single family residences and where the
§ 110.10(a)1: application for a tentative subdivision map for the residences has been deemed complete and approved by the enforcement agency, which
do not have a photovoltaic system installed, must comply with the requirements of § 110.10(b) through § 110.10(e).
Low-rise Multifamily Buildings. Low-rise multi -family buildings that do not have a photovoltaic system installed must comply with the
§ 110.10(a)2: requirements of § 110.10(b) through § 110.10(d).
Minimum Solar Zone Area. The solar zone must have a minimum total area as described below. The solar zone must comply with access,
pathway, smoke ventilation, and spacing requirements as specified in Title 24, Part 9 or other parts of Title 24 or in any requirements adopted by
a local jurisdiction. The solar zone total area must be comprised of areas that have no dimension less than 5 feet and are no less than 80
square feet each for buildings with roof areas less than or equal to 10,000 square feet or no less than 160 square feet each for buildings with
§ 110.10(b)1: roof areas greater than 10,000 square feet. For single family residences, the solar zone must be located on the roof or overhang of the building
and have a total area no less than 250 square feet. For low-rise multi -family buildings the solar zone must be located on the roof or overhang of
the building, or on the roof or overhang of another structure located within 250 feet of the building, or on covered parking installed with the
building project, and have a total area no less than 15 percent of the total roof area of the building excluding any skylight area. The solar zone
requirement is applicable to the entire building, including mixed occupancy.'
§ 110.10(b)2: Azimuth. All sections of the solar zone located on steep -sloped roofs must be oriented between 90 degrees and 300 degrees of true north.
Shading. The solar zone must not contain any obstructions, including but not limited to: vents, chimneys, architectural features, and roof
§ 110.10(b)3A: mounted equipment.'
Shading. Any obstruction located on the roof or any other part of the building that projects above a solar zone must be located at least twice the
§ 110.10(b)3B: distance, measured in the horizontal plane, of the height difference between the highest point of the obstruction and the horizontal projection of
the nearest point of the solar zone, measured in the vertical plane.'
Structural Design Loads on Construction Documents. For areas of the roof designated as a solar zone, the structural design loads for roof
§ 110.10(b)4: dead load and roof live load must be clearly indicated on the construction documents.
Interconnection Pathways. The construction documents must indicate: a location reserved for inverters and metering equipment and a
§ 110.10(c): pathway reserved for routing of conduit from the solar zone to the point of interconnection with the electrical service; and for single family
residences and central water -heating systems, a pathway reserved for routing plumbing from the solar zone to the water -heating system.
Documentation. A copy of the construction documents or a comparable document indicating the information from § 110.10(b) through
§ 110.10(d): § 110.10(c) must be provided to the occupant.
§ 110.10(e)1: Main Electrical Service Panel. The main electrical service panel must have a minimum busbar rating of 200 amps.
Main Electrical Service Panel. The main electrical service panel must have a reserved space to allow for the installation of a double pole circuit
§ 110.10(e)2: breaker for a future solar electric installation. The reserved space must be permanently marked as "For Future Solar Electric".