Required Test Methods for EPA-Recognized Laboratories
Introduction
This document outlines the test methods that must appear in a laboratory’s scope of accreditation before the lab can be recognized by EPA to test
products for ENERGY STAR® qualification. All test methods must be accredited by an EPA-recognized Accreditation Body.
Each of the test methods and standards are organized by product type on the following pages and a table of contents can be found in the next
page. In addition, important acronyms listed in the tables can be found below.

Acronyms Used in This Document
AC=

Air Conditioning

DFE=

Digital Front End (imaging equipment)

AHAM

=

Association Of Home Appliance Manufacturers:
www.aham.org

DGX=

Direct geoexchange (geothermal heat pumps)

EPRI

=

Electric Power Research Institute: www.epri.com

ANSI

=

American National Standards Institute:www.ansi.org

HVAC

=

Heating, cooling, and air conditioning

ASHRAE=

American Society of Heating, Refrigerating,and Air-Conditioning Engineers: www.ashrae.org

HVI=

Home Ventilating Institute: www.hvi.org

IEC=

Commission Electrotechnique Internationale:
www.iec.ch

IESNA

=

Illuminating Engineering Society of North America:
www.iesna.org

ASSIST=

Alliance for Solid-State Illumination Systems andTechnologies:
www.lrc.rpi.edu/programs/solidstate/assist/index.asp

ASTM

=

American Society for Testing and Materials
International: www.astm.org

ISO=

International Organization for Standardization:www.iso.org

CEA=

Consumer Electronics Association: www.ce.org

NFRC

=

National Fenestration Rating Council: www.nfrc.org=

NSF International: www.nsf.org=

Code of Federal Regulations:www.gpoaccess.gov/cfr

NSF

CFR

NVLAP

=

National Voluntary Laboratory Accreditation
Program: www.nist.gov/pml/nvlap

CRRC

=

Cool Roof Rating Council: www.coolroofs.org

CSA=

CSA International: www.csa-international.org

STB=

Set-Top Box

DAM=

Download Acquisition Mode (televisions test)

UL=

Underwriters Laboratories: www.ul.com

Table of Contents
Appliances
Residential Clothes Washers ............................... 3
Residential Dishwashers ...................................... 3
Residential Refrigerators ...................................... 3
Residential Freezers............................................. 3
Room Air Conditioners ......................................... 3
Room Air Cleaners ............................................... 3
Commercial Clothes Washers .............................. 3
Vending Machines ................................................ 4
Water Coolers....................................................... 4
Commercial Food Service Equipment
Commercial Fryers ............................................... 4
Commercial Griddles ............................................ 4
Commercial Hot Food Holding Cabinets .............. 5
Commercial Ice Machines .................................... 5
Commercial Ovens ............................................... 5
Commercial Refrigerators & Freezers .................. 5
Commercial Steam Cookers ................................ 5
Home Electronics
Audio/Video .......................................................... 6Battery Chargers .................................................. 6
Digital to Analog Converter Box ........................... 6
Set-top Boxes & Cable Boxes .............................. 6

Telephony ............................................................. 6
Televisions ............................................................ 6
HVAC Products
Boilers ................................................................... 6
Central ACs and Air-Source Heat Pumps ............ 7
Dehumidifiers ........................................................ 7
Furnaces ............................................................... 7
Geothermal Heat Pumps ...................................... 7
Light Commercial HVAC....................................... 7
Residential Ceiling Fans ....................................... 8
Ventilating Fans .................................................... 9Home and Building Envelope Products
Roof Products ..................................................... 11
Windows, Doors, and Skylights .......................... 12
Lighting Products……………………………….…...12
Office Equipment
Computers .......................................................... 13
Displays .............................................................. 13
Computer Servers .............................................. 14
Imaging Equipment............................................. 14
Plumbing
Water Heaters..................................................... 142

Test Methods/Standards by ENERGY STAR Product & Sub-Product TypeENERGY STAR Product Category

ENERGY STAR Test Method/Standard

Appliances
Residential Clothes Washers
ENERGY STAR Program Requirements ProductSpecification for Clothes Washers Version 5.1- 10 CFR 430, Subpart B, Appendix J1 (Electronic Code of Federal Regulations)

Residential Dishwashers
ENERGY STAR Program Requirements ProductSpecification for Residential Dishwashers Version 4.1- 10 CFR 430, Subpart B, Appendix C (Electronic Code of Federal Regulations)

Residential Refrigerators
ENERGY STAR Program Requirements ProductSpecification for Residential Refrigerators and Freezers
Version 4.1- 10 CFR 430, Subpart B, Appendix A1 (Electronic Code of Federal Regulations)

Residential Freezers
ENERGY STAR Program Requirements ProductSpecification for Residential Refrigerators and Freezers
Version 4.1- 10 CFR 430, Subpart B, Appendix B1 (Electronic Code of Federal Regulations)

Room Air Conditioners
ENERGY STAR Program Requirements ProductSpecification for Room Air Conditioners DRAFT
Version 2.1- 10 CFR 430, Subpart B, Appendix F (Electronic Code of Federal Regulations)

Room Air Cleaners- ANSI/AHAM AC-1-2006, Method of Measuring the Performance of Portable Household
Electric Room Air Cleaners- UL 867 Ed. 4.0, Electrostatic Air Cleaners- IEC 62301 Ed. 1.0, Household electrical appliances – Measurement of standby power

ENERGY STAR Program Requirements ProductSpecification for Room Air Cleaners Version 1.1
Commercial Clothes Washers
ENERGY STAR Program Requirements ProductSpecification for Clothes Washers Version 5.1- 10 CFR 430, Subpart B, Appendix J1 (Electronic Code of Federal Regulations)3

ENERGY STAR Product Category

ENERGY STAR Test Method/Standard

Vending Machines
ENERGY STAR Program Requirements ProductSpecification for Refrigerated Beverage Vending
Machines Version 2.1
For Indoor Use Only
Suitable for Outdoor Use
Suitable For Protected Locations
Water Coolers
ENERGY STAR Program Requirements ProductSpecification for Water Coolers Version 1.3

See Below- ASHRAE Standard 32.1-2004, Methods of Testing for Rating Vending Machines for Bottled,
Canned, and Other Sealed Beverages- ENERGY STAR Test Method for Water Coolers, ENERGY STAR Program Requirements
Product Specification for Water Coolers, page 6.

Commercial Food Service Equipment
Commercial Dishwashers
ENERGY STAR Program Requirements ProductSpecification for Commercial Dishwashers Version 1.2
Under Counter, Stationary Rack
Single Tank
Door Type
Single Tank Rack Conveyor
Multiple Tank Rack Conveyor

See Below- NSF/ANSI 3-2007, Standard Commercial Warewashing Equipment gallons per rack)- ASTM F1696, Standard Test Method for Energy Performance of Single-Rack Hot Water
Sanitizing, Door-Type Commercial Dishwashing Machines (Idle Energy Test only andincludes low temp)- NSF/ANSI 3-2007, Standard Commercial Warewashing Equipment (gallons per rack)- ASTM F1920 Standard Test Method for Energy Performance of Rack Conveyor, Hot Water
Sanitizing Commercial Dishwashing Machines (Idle Energy Test only and includes low temp)

Commercial Fryers
ENERGY STAR Program Requirements ProductSpecification for Commercial Fryers Version 1.1
Open Deep-Fat Gas Fryers
Open Deep-Fat Electric Fryers
Commercial Griddles

See Below- ASTM F1361-99, Standard Test Method for the Performance of Open Deep Fat Fryers
See Below

ENERGY STAR Program Requirements Product
4

ENERGY STAR Product Category

ENERGY STAR Test Method/Standard

Specification for Commercial Griddles Version 1.1
Single and Double Sided Commercial Gas
GriddlesSingle and Double Sided Commercial Electric
Griddles- ASTM F1275-03, Standard Test Method for the Performance of Griddles- ASTM F1605-01 , Standard Test Method for the Performance of Double-Sided Griddles

Commercial Hot Food Holding Cabinets
ENERGY STAR Program Requirements ProductSpecification for Commercial Hot Food Holding
Cabinets Version 1.1- ASTM F2140-01, Standard Test Method for the Performance of Hot Food Holding Cabinets

Commercial Ice Machines
ENERGY STAR Program Requirements ProductSpecification for Commercial Ice Machines Version 1.1- ARI Standard 810-2006, Performance Rating of Automatic Commercial Ice Makers

Commercial Ovens
ENERGY STAR Program Requirements ProductSpecification for Commercial Ovens Version 1.1
Gas – Full Size
Electric – Half-sizeElectric – Full-size

See Below- ASTM F1496-99 (Reapproved 2005), Standard Test Method for the Performance ofConvection Ovens

Commercial Refrigerators & Freezers
ENERGY STAR Program Requirements ProductSpecification for Commercial Refrigerators andFreezers Version 2.1
Solid Door Cabinets
Glass Door Cabinets

See Below- ANSI/ASHRAE Standard 72-2005, Method of Testing Commercial Refrigerators and Freezers

Commercial Steam Cookers
ENERGY STAR Program Requirements ProductSpecification for Commercial Steam Cookers Version
1.2
Electric Steam Cookers
Gas Steam Cookers

See Below- ASTM F1484-99, Standard Test Method for the Performance of Steam Cooker

Home Electronics
5

ENERGY STAR Product Category
Audio/Video
ENERGY STAR Program Requirements ProductSpecification for Audio/Video Version 2.1

Battery Chargers
ENERGY STAR Program Requirements ProductSpecification for Battery Charging Systems Version 1.1

Set-top Boxes & Cable Boxes
ENERGY STAR Program Requirements for Set-top
Boxes Version 2.0
Telephony
ENERGY STAR Program Requirements ProductSpecification for Telephony Version 2.2

Televisions
ENERGY STAR Program Requirements ProductSpecification for Televisions Version 4.2

ENERGY STAR Test Method/Standard- ENERGY STAR Test Method for Audio/Video, ENERGY STAR Program Requirements
Product Specification for Audio/Video, Version 2.1, page 13- ENERGY STAR Test Method, ENERGY STAR Program Requirements for Battery Charging
Systems, page 12- IEC Standard 61951-1: Secondary cells and batteries containing alkaline or other non-acid
electrolytes – Portable sealed rechargeable single cells – Part 1: Nickel-cadmium. Ed. 2.1.
January 2006
- IEC Standard 61951-2: Secondary cells and batteries containing alkaline or other non-acid
electrolytes – Portable sealed rechargeable single cells – Part 2: Nickel-metal hydride. Ed.
2.0. April 2003
- IEC Standard 61960: Secondary cells and batteries containing alkaline or other non-acid
electrolytes – Secondary lithium cells and batteries for portable applications. Ed. 1.0.
December 2003
- ENERGY STAR Test Method for Set-top Boxes (Testing Products for ENERGY STAR)
ENERGY STAR Program for Set-top Boxes, Version 2.0, Section 4, page 11- ENERGY STAR Test Method for Telephony, ENERGY STAR Program Requirements for
Telephony, Section 4, page 9- ENERGY STAR Test Method for Televisions, ENERGY STAR Program Requirements for
Televisions, Version 4.2- IEC 62087, Ed 2.0: Methods of Measurement for the Power Consumption of Audio, Video andRelated Equipment- CEA-2037: Determination of Television Average Power Consumption (December 2009)- IEC 62301, Ed 1.0: Household Electrical Appliances – Measurement of Standby Power.
- CEA: Procedure for DAM Testing

Heating, Ventilation, and AC Products
Boilers
ENERGY STAR Program Requirements ProductSpecification for Boilers Version 2.1- 10 CFR Part 430, Appendix N (Electronic Code of Federal Regulations)- ANSI/ASHRAE 124-1991, Methods of Testing for Rating Combination Space-Heating andWater-Heating Appliances

6

ENERGY STAR Product Category
Central ACs and Air-Source Heat Pumps
ENERGY STAR Program Requirements ProductSpecification for Air Source Heat Pump (ASHP) andCentral Air Conditioner Equipment Version 4.1

ENERGY STAR Test Method/Standard- ANSI/AHRI 210/240-2008, Performance Rating of Unitary Air-Conditioning & Air-Source Heat
Pump Equipment- ARI Standard 210/240-94, Operating Condition A: 95°F outdoor air temperature, 80°F dry
bulb/67°F wet bulb indoor coil air entering conditions

Dehumidifiers
ENERGY STAR Program Requirements ProductSpecification for Dehumidifiers Eligibility Criteria
Version 2.1- CAN/CSA-C749-94 (Reaffirmed 2000), Performance of Dehumidifiers- ANSI/AHAM Standard DH-1-2003, Clauses 4, 5, and 7 (using a watt-hour meter)

Furnaces
ENERGY STAR Program Requirements for Furnaces
Partner Commitments Version 2.0- 10 CFR Part 430, Appendix N (Electronic Code of Federal Regulations)

Geothermal Heat Pumps
ENERGY STAR Program Requirements ProductSpecification for Geothermal Heat Pumps Version 3.1

See Below

Water-to-air (Open or Closed systems)- ISO 13256-1-1998, Water-source heat pumps – Testing and rating for performance – Part 1:
Water-to-air and brine-to-air heat pumps

Water-to-water (Open or Closed systems)- ISO 13256-2-1998, Water-source heat pumps – Testing and rating for performance – Part 2:
Water-to-water and brine-to-water heat pumps

DGX Systems- ANSI/AHRI 870-2005, Performance Rating of Direct Geoexchange Heat Pumps

Light Commercial HVAC
ENERGY STAR Program Requirements ProductSpecification for Light Commercial HVAC Version 2.1

See Below<65,000 Btu/h: 3 phase, single package, or
split systems- Air-Source Central Air Conditioner- Air-Source Heat Pump

- ANSI/AHRI 210/240-2008, Performance Rating of Unitary Air-Conditioning & Air-Source Heat
Pump Equipment≥65,000 Btu/h – <240,000 Btu/h- Air-Source Central Air Conditioner- and Air-Source Heat Pump

- ANSI/AHRI 340/360-2007, Performance Rating of Commercial and Industrial Unitary Air
Conditioning and Heat Pump Equipment

7

ENERGY STAR Product Category
Variable Refrigerant Flow (VRF) Equipment

Residential Ceiling Fans
ENERGY STAR Program Requirements ProductSpecification for Residential Ceiling Fans Version 2.4

ENERGY STAR Test Method/Standard- AHRI 1230-2010, Performance Rating of Variable Refrigerant Flow (VRF) Multi-Split AirConditioning and Heat Pump Equipment
To improve clarity, ceiling fan test methods are broken into three sections: Section A) ceiling fanswith no light source; Section B) ceiling fans with a fluorescent light source; and Section C) ceilingfans with a LED light source. Note that the test methods in Section A is required in both Sections
B and C. For additional details, check the ENERGY STAR Program Requirements for
Residential Ceiling Fans
Section A: The test method below is required

Residential Ceiling Fans (no light source)- ENERGY STAR Testing Facility Guidance Manual: Building a Testing Facility and Performing
the Solid State Test Method for ENERGY STAR Qualified Ceiling Fans

Residential Ceiling Fans with Fluorescent lightsourceThe relevant test methods for this product will be included in this document in the coming weeks.

Residential Ceiling Fans with LED light source

The relevant test methods for this product will be included in this document in the coming weeks.

Residential Ventilating Fans
ENERGY STAR Program Requirements ProductSpecification for Residential Ventilating Fans Version
2.3

Similar to the ceiling fan list above, ventilating fans are broken into three sections: Section A)
ventilating fans with no light source; Section B) ventilating fans with a fluorescent light source;and Section C) ventilating with a LED light source. Note that the test methods selected in Section
A is required in both Sections B and C. For additional details, check the ENERGY STAR
Program Requirements for Residential Ventilating Fans
Section A: choose one of the following options from both the airflow rating and sound rating
tests below
Airflow Rating
Option 1) ANSI/AMCA 210-07, Laboratory Methods of Testing Fans for Certified Aerodynamic
Performance Rating

Ventilating Fans (no light source)

Option 2) HVI 916, HVI Airflow Test Procedure. Fan testing setup shall conform to HVI 916,
Section 6, Test Setups and Diagrams
Sound Rating
Option 1) HVI 915 HVI (Home Ventilating Institute) Procedure for Loudness Rating ofResidential Fan Products;
Option 2) This option requires both of the following tests are performed:
8

ENERGY STAR Product Category

ENERGY STAR Test Method/Standard¾¾

ANSI/AMCA Standard 300-08 Reverberant Room Method for Sound Testing ofFans
AMCA Publication 311-05, Certified Ratings Program – Product Rating Manual for
Fan Sound Performance.

Vent Fans that utilize a fluorescent light source

The relevant test methods for this product will be included in this document in the coming weeks.

Vent Fans that utilize LED light sources

The relevant test methods for this product will be included in this document in the coming weeks.

Home and Building Envelope Products
EPA-Recognized Laboratories can test roofing products by using the mandatory ENERGY STAR
test methods, with various options, outlinied in Section 1, as well as using one of the four test
methods described in Section 2 below.
Section 1: required test methods for all roofing products

Roof Products
ENERGY STAR Program Requirements ProductSpecification for Roof Products Version 2.2- ENERGY STAR Test Method for Roof Products: Maintenance of Solar Reflectance, ENERGYSTAR Program Requirements Product Specification for Roof Products- CRRC Product Rating Program Manual CRRC-1, 2009, tested to Hunter “L”, “a”, and “b” color
values- Plus one of the following two options:
Option 1) ASTM C1371-04a, Standard Test Method for Determination of Emittance ofMaterials Near Room Temperature using Portable Emissometers
Option 2) ASTM E408-71(1996) e1, Standard Test Method for Total Normal Emittan ENERGY
STAR
Variegated roof products- CRRC-1 Test Method #1, Standard Practice for Measuring Solar Reflectance of a Flat,
Opaque, and Heterogeneous Surface Using a Portable Solar Reflectometer9

ENERGY STAR Product Category

ENERGY STAR Test Method/Standard
Section 2: Test Methods A, B, C, & D—one of the following options is required
Test Method A: choose one of the following two ASTM methods:
Option 1) ASTM E 1918-06, Standard Test Method for Measuring Solar Reflectance of
Horizontal and Low0Sloped Surfaces in the Field
Option 2) ASTM C 1549-09, Standard Test Method for Determination of Solar Reflectance
Near Ambient Temperature Using a Portable Solar Reflectometer
Test Method B: choose one of the following two ASTM methods:
Option 1) ASTM E 903-96, Standard Test Method for Solar Absorptance, Reflectance, andTransmission of Materials Using Integrating Spheres
Option 2) ASTM C 1549-09, Standard Test Method for Determination of Solar Reflectance
Near Ambient Temperature Using a Portable Solar Reflectometer
Test Method C: same choices as Test Method B, but with the mandatory addition of thefollowing:- ASTM G 7-05, Standard Practice for Atmospheric Environmental Exposure Testing ofNonmetallic Materials- ISO/IEC 17025:1999, General Requirements for the Competence of Testing and Calibration
Laboratories (weathering farm accredited to this standard)
Test Method D:Both of the test methods below are mandatory:- ASTM C 1549-09, Standard Test Method for Determination of Solar Reflectance Near
Ambient Temperature Using a Portable Solar Reflectometer- CRRC-1 Test Method #1, Standard Practice for Measuring Solar Reflectance of a Flat,
Opaque, and Heterogeneous Surface Using a Portable Solar Reflectometer

Windows, Doors, and Skylights
ENERGY STAR Program Requirements for Residential
Windows, Doors, and Skylights – Version 5.0

Insulation Products- NFRC procedures for U-Factor (NFRC 100)
- Solar Heat Gain Coefficient (NFRC 200)
- Skylight U-factor criteria using U-factor ratings certified under the NFRC computer simulation
procedure (for tublular daylighting devices only)
Specification currently under development; for updates visit:www.energystar.gov/index.cfm?c=revisions.insulation_spec

Lighting Products
ENERGY STAR Decorative Light Strings Test Procedure, ENERGY STAR Program
Requirements for Decorative Light Strings, Appendix A, page 12—Includes the following test
10

ENERGY STAR Product Category
Decorative Light Strings
ENERGY STAR Program Requirements for Decorative
Light Strings Criteria Version 1.4

ENERGY STAR Test Method/Standard
methods:- ASTM G 154 – 05, Standard Practice for Operating Fluorescent Light Apparatus for UVExposure of Nonmetallic Materials- CSA-22.2 No.37-M1989 (R2004) Christmas Tree and Other Decorative Lighting Outfits- CIE 84-1989, The Measurement of Luminous Flux
- CIE 127-1997, Measurement of LEDs
- IESNA TM-16-05, IESNA Technical Memorandum on Light Emitting Diode (LED) Sources
and Systems- UL 588-2004, Standard for Seasonal and Holiday Decorative Products

Screw-Based CFLs
Solid State Lighting
The relevant test methods for this product will be included in this document in the coming weeks.
Integral LED Lamps
Residential Light Fixtures
Office Equipment
Computers
ENERGY STAR Program Requirements ProductSpecification for Computers Version 5.2

Internal Power Supplies 1- ENERGY STAR Computer Test Method, ENERGY STAR Program Requirements
Product Specification for Computers, Version 5.2, page 22- EPRI Generalized Test Protocol for Calculating the Energy Efficiency of Internal Ac-Dc and
Dc-Dc Power Supplies. (for products that have internal, multi-output, or single output withintegral cooling power supplies; available at: www.efficientpowersupplies.org)- IEC 62301: Household Electrical Appliances - Measurement of Standby Power- EPRI Generalized Test Protocol for Calculating the Energy Efficiency of Internal Ac-Dc and
Dc-Dc Power Supplies. Available at www.efficientpowersupplies.org.

Displays
ENERGY STAR Program Requirements ProductSpecification for Displays Version 5.1< 30 inch diagonal viewable area

See Below- ENERGY STAR Test Method for Displays, ENERGY STAR Program Requirements ProductSpecification for Displays, page 11- VESA FPDM Standard 2.0

1Internal Power Supplies are not eligible to earn the ENERGY STAR. This subcategory is listed separately for purposes of labs testing only the internal power
supply for these products.
11

ENERGY STAR Product Category

ENERGY STAR Test Method/Standard- IEC 62301 Ed 1.0: Household Electrical Appliances – Measurement of Standby Power

30–60 inch diagonal viewable area

Computer (Enterprise) Servers
ENERGY STAR Program Requirements ProductSpecification for Computer Servers Version 1.1

Internal Power Supplies 2- ENERGY STAR Test Method for Displays, ENERGY STAR Program Requirements
Product Specification for Displays, page 11- IEC 62087, Ed 2.0: Methods of Measurement for the Power Consumption of Audio, Video andRelated Equipment- IEC 62301 Ed 1.0: Household Electrical Appliances – Measurement of Standby Power- ENERGY STAR Test Method for Computer Servers, ENERGY STAR Test Procedure for
Determining the Power Use of Computer Servers at Idle and Full Load (Appendix A of
specification)- EPRI Generalized Test Protocol for Calculating the Energy Efficiency of Internal Ac-Dc and
Dc-Dc Power Supplies. Available at www.efficientpowersupplies.org.
- IEC 62301: Household Electrical Appliances - Measurement of Standby Power- EPRI Generalized Test Protocol for Calculating the Energy Efficiency of Internal Ac-Dc and
Dc-Dc Power Supplies. Available at www.efficientpowersupplies.org.

Imaging Equipment
ENERGY STAR Program Requirements ProductSpecification for Imaging Equipment Version 1.2

See Below

DFE with Internal Power Supply or MultipleVoltage External Power Supply- ENERGY STAR Imaging Equipment Test Method, ENERGY STAR Program Requirements
Version 1.2, Product Specification for Imaging Equipment, page 20- IEC 62301 Ed 1.0: Household Electrical Appliances – Measurement of Standby Power- EPRI Generalized Test Protocol for Calculating the Energy Efficiency of Internal Ac-Dc and
Dc-Dc Power Supplies. Available at www.efficientpowersupplies.org.

Internal Power Supplies 3- EPRI Generalized Test Protocol for Calculating the Energy Efficiency of Internal Ac-Dc and
Dc-Dc Power Supplies. Available at www.efficientpowersupplies.org.

DFE with Single Voltage External Power
Supply- ENERGY STAR Imaging Equipment Test Method, ENERGY STAR Program Requirements
Version 1.2, Product Specification for Imaging Equipment, page 20- IEC 62301 Ed 1.0: Household Electrical Appliances – Measurement of Standby Power- Test Method for Calculating the Energy Efficiency of Single-Voltage External AC-DC and ACAC Power Supplies, Rev. August 11, 2004. Available at www.efficientpowersupplies.org.

2

Internal Power Supplies are not eligible to earn the ENERGY STAR. This subcategory is listed separately for purposes of labs testing only the internal power
supply for these products.

3

Ibid.
12

ENERGY STAR Product Category

ENERGY STAR Test Method/Standard

Plumbing
Water Heaters
ENERGY STAR Program Requirements ProductSpecification for Residential Water Heaters Version 1.1
Storage Type Units
Tankless Type Units
Heat Pump Type Units
Water Heaters, Solar

See Below- 10 CFR 430, Subpart B, Appendix E (Electronic Code of Federal Regulations)- ASHRAE 118.2, Section 11.2 4- Solar Rating and Certification Corporation (SRCC) OG-300 certification

4

Note on recovery efficiency: For thermostatically-controlled water heaters that do not completely recover or do not undergo a recovery cycle prior to the start ofthe second draw of the simulated-use test, the recovery efficiency shall be determined as specified in Section 11.2 of ASHRAE 118.2.
Last updated October 26th, 201013