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ENERGY STAR® Program Requirements for
Commercial Refrigerators and Freezers
Partner Commitments
Version 2.0
Commitment
The following are the terms of the ENERGY STAR Partnership Agreement as it pertains to the
manufacturing of ENERGY STAR qualified commercial refrigerators and freezers. The ENERGY STAR
Partner must adhere to the following program requirements:
¦	Comply with current ENERGY STAR Eligibility Criteria, defining the performance criteria that must be
met for use of the ENERGY STAR certification mark on commercial refrigerators and freezers and
specifying the testing criteria for commercial refrigerators and freezers. EPA may, at its discretion,
conduct tests on products that are referred to as ENERGY STAR qualified. These products may be
obtained on the open market, or voluntarily supplied by Partner at EPA's request.
¦	Comply with current ENERGY STAR Identity Guidelines, describing how the ENERGY STAR labels
and name may be used. Partner is responsible for adhering to these guidelines and for ensuring that
its authorized representatives, such as advertising agencies, dealers, and distributors, are also in
compliance.
¦	Qualify at least one ENERGY STAR labeled commercial refrigerator or freezer model within one year
of activating the commercial refrigerators and freezers portion of the agreement. When Partner
qualifies the product, it must meet the specification (e.g., Tier 1 or 2) in effect at that time.
¦	Provide clear and consistent labeling of ENERGY STAR qualified commercial refrigerators and
freezers. The ENERGY STAR label must be clearly displayed on the front/inside of the product, on
the product packaging, in product literature (i.e., user manuals, spec sheets, etc.), and on the
manufacturer's Internet site where information about ENERGY STAR qualified models is displayed.
¦	Provide to EPA, on an annual basis, an updated list of ENERGY STAR qualified commercial
refrigerators and freezers. Once the Partner submits its first list of ENERGY STAR qualified
commercial refrigerator and freezer models, the Partner will be listed as an ENERGY STAR Partner
on www.enerqvstar.gov. Partner must provide annual updates in order to remain on the list of
participating product manufacturers.
¦	Provide to EPA, on an annual basis, unit shipment data or other market indicators to assist in
determining the market penetration of ENERGY STAR. Specifically, Partner must submit the total
number of ENERGY STAR qualified commercial refrigerators and freezers shipped (in units by
model) or an equivalent measurement as agreed to in advance by EPA and Partner. Partner is also
encouraged to provide ENERGY STAR qualified unit shipment data segmented by meaningful
product characteristics (e.g., product type, volume, or other as relevant) for the United States (US).
Partner is also encouraged to provide total unit shipments for each model in its product line, and
percent of total unit shipments that qualify as ENERGY STAR. The data for each calendar year
should be submitted to EPA, preferably in electronic format, no later than the following March and
may be provided directly from the Partner or through a third party. The data will be used by EPA only
for program evaluation purposes and will be closely controlled. Any information used will be masked
by EPA so as to protect the confidentiality of the Partner.
¦	Notify EPA of a change in the designated responsible party or contacts for commercial refrigerators
and freezers within 30 days.
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Performance for Special Distinction
In order to receive additional recognition and/or support from EPA for its efforts within the
Partnership, the ENERGY STAR Partner may consider the following voluntary measures and should keep
EPA informed on the progress of these efforts:
¦	Consider energy efficiency improvements in company facilities and pursue the ENERGY STAR label
for buildings.
¦	Purchase ENERGY STAR qualified products. Revise the company purchasing or procurement
specifications to include ENERGY STAR. Provide procurement officials' contact information to EPA
for periodic updates and coordination. Circulate general ENERGY STAR qualified product
information to employees for use when purchasing products for their homes.
¦	Ensure the power management feature is enabled on all ENERGY STAR qualified monitors and
computers in use in company facilities, particularly upon installation and after service is performed.
For assistance in doing so, go to www.enerqvstar.gov/powermanaqement.
¦	Provide general information about the ENERGY STAR program to employees whose jobs are
relevant to the development, marketing, sales, and service of current ENERGY STAR qualified
product models.
¦	Feature the ENERGY STAR marks on Partner Web site and in other promotional materials. If
information concerning ENERGY STAR is provided on the Partner Web site as specified by the
ENERGY STAR Web Linking Policy (this document can be found in the Partner Resources section on
the ENERGY STAR Web site at www.enenqvstar.gov). EPA may provide links where appropriate to
the Partner Web site.
¦	Provide a simple plan to EPA outlining specific measures Partner plans to undertake beyond the
Program Requirements listed above. By doing so, EPA may be able to coordinate, communicate,
and/or promote Partner's activities, provide an EPA representative, or include news about the event
in the ENERGY STAR newsletter, on the ENERGY STAR Web pages, etc. The plan may be as
simple as providing a list of planned activities or planned milestones that Partner would like EPA to be
aware of. For example, activities may include: (1) increase the availability of ENERGY STAR
qualified products by converting the entire product line within two years to meet ENERGY STAR
guidelines; (2) demonstrate the economic and environmental benefits of energy efficiency through
special in-store displays twice a year; (3) provide information to users (via the Web site and user's
manual) about energy-saving features and operating characteristics of ENERGY STAR qualified
products, and (4) build awareness of the ENERGY STAR Partnership and brand identity by
collaborating with EPA on one print advertorial and one live press event.
¦	Provide quarterly, written updates to EPA as to the efforts undertaken by Partner to increase
availability of ENERGY STAR qualified products, and to promote awareness of ENERGY STAR and
its message.
¦	Join EPA's SmartWay Transport Partnership to improve the environmental performance of the
company's shipping operations. SmartWay Transport works with freight carriers, shippers, and other
stakeholders in the goods movement industry to reduce fuel consumption, greenhouse gases, and air
pollution. For more information on SmartWay, visit www.epa.gov/smartwav.
¦	Join EPA's Climate Leaders Partnership to inventory and reduce greenhouse gas emissions. Through
participation, companies create a credible record of their accomplishments and receive EPA
recognition as corporate environmental leaders. For more information on Climate Leaders, visit
www.epa.gov/climateleaders.
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Join EPA's Green Power partnership. EPA's Green Power Partnership encourages organizations to
buy green power as a way to reduce the environmental impacts associated with traditional fossil fuel-
based electricity use. The partnership includes a diverse set of organizations including Fortune 500
companies, small and medium businesses, government institutions as well as a growing number of
colleges and universities, visit http://www.epa.gov/qrnpower.
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ENERGYSTAR
ENERGY STAR® Program Requirements for Commercial
Refrigerators and Freezers
Eligibility Criteria
Version 2.0
Below is the Version 2.0 product specification for ENERGY STAR qualified commercial refrigerators and
freezers. A product must meet all of the identified criteria if it is to earn the ENERGY STAR.
1) Definitions: Provided below are definitions of the relevant terms in this document.
A.	Commercial Food-grade Refrigerator: A refrigeration cabinet designed for storing food products
at temperatures above 32 degrees Fahrenheit (F) but no greater than 40 degrees F and intended for
commercial use.
B.	Commercial Food-grade Freezer: A refrigeration cabinet designed for storing food products at
temperatures of 0 degrees F and intended for commercial use.
C.	Refrigeration Cabinet: A refrigerator or freezer used for storing food products at specified
temperatures, with the condensing unit and compressor built into the cabinet, and designed for use
by commercial or institutional facilities, other than laboratory settings. These units may be vertical or
chest configurations and may contain a worktop surface.
D.	Closed Refrigerator: A display or holding refrigerator where product is accessible for removal by
opening or moving doors or panels1.
E.	Solid Door Cabinet: A commercial food-grade refrigerator or freezer in which all outer doors on
all sides of the unit are solid doors. These doors may be sliding or hinged.
F.	Glass Door Cabinet: A commercial food-grade refrigerator or freezer in which all outer doors on
at least one side of the unit are glass doors. These doors may be sliding or hinged.
G.	Mixed Solid/Glass Door Cabinet: A commercial food-grade refrigerator or freezer in which all
outer doors on at least one side of the unit are a combination of solid and glass doors. A unit which
has all glass doors on one side and a combination of solid and glass doors on another is considered
a glass door cabinet.
H.	Solid Door: Less than 75% of the front surface area is glass.
I.	Glass Door: Greater than, or equal to, 75% of the front surface area is glass.
J. Worktop Surface: A solid working surface. The working surface may be a cutting board, a
stainless steel work surface, or a stone slab. This surface cannot add to the total energy
consumption of the unit.
K. Chest Configuration: An enclosed refrigeration cabinet to which access is gained only through a
top-opening door.
1 Definition from ANSI/ASHRAE Standard 72-2005, Method of Testing Commercial Refrigerators and Freezers, American Society of
Heating, Refrigerating, and Air-Conditioning Engineers, Inc. 2005.
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Test Procedure Requirements
L. AHAM Volume: The interior volume of a refrigerator as calculated by AHAM Standard Household
Refrigerators/Household Freezers (ANSI/AHAM HRF-1-2004)2.
M. Integrated Average Product Temperature: The integrated average of all test package
temperatures, recorded at 15-minute intervals, as determined by the test method referenced in
Section 4, Test Criteria.
Referenced Standards Organizations
N. AHAM: Association of Home Appliance Manufacturers.
O. ANSI: American National Standards Institute.
P. ASHRAE: American Society of Heating, Refrigerating, and Air Conditioning Engineers, Inc.
Q. NSF: NSF International.
R. UL: Underwriters Laboratories, Inc.
2) Qualifying Products: For the purposes of ENERGY STAR, only those products that meet definitions
1 .A through 1 .G, above, are eligible for qualification. Examples of product types that may be eligible
for qualification include: reach-in, roll-in, or pass-through units; merchandisers; undercounter units;
milk coolers; back bar coolers; bottle coolers; glass frosters; deep well units; beer-dispensing or direct
draw units; and bunker freezers.
Drawer cabinets, prep tables, deli cases, and open air units are not eligible for ENERGY STAR under
this Version 2.0 specification.
Note: This specification is intended for commercial food-grade refrigeration equipment only.
Laboratory-grade refrigeration equipment cannot qualify for ENERGY STAR under this Version 2.0
specification.
Solid and glass door refrigerators and freezers qualifying under this Version 2.0 specification must be
third-party certified to applicable requirements set forth in the following quality and safety standards:
(1)	ANSI/NSF International Standard for Food Equipment - Commercial Refrigerators and
Freezers (ANSI/NSF 7-2007); and
(2)	UL Standard for Commercial Refrigerators and Freezers (UL-471).
Note: ANSI/NSF 7-2007 exempts equipment from some temperature performance requirements
based on the type of food that is intended to be stored in the unit. Examples of equipment that would
be exempt from the temperature performance requirements of this Standard include: refrigerators
intended only for the storage or display of non-potentially hazardous bottled or canned products and
refrigerators intended only for the display of unprocessed produce. Please refer to ANSI/NSF 7-2007
to determine the applicable requirements for a specific equipment type.
2 Definition from ANSI/ASHRAE Standard 72-2005, Method of Testing Commercial Refrigerators and Freezers, American Society of
Heating, Refrigerating, and Air-Conditioning Engineers, Inc. 2005.
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3) Energy-Efficiency Specifications for Qualifying Products: Commercial food-grade refrigerators and
freezers must meet the requirements provided in Table 1 below to qualify as ENERGY STAR.
Table 1: Maximum Daily Energy Consumption (MDEC) Requirements (kWh/day)
for ENERGY STAR Qualified Commercial Food-grade Refrigerators and Freezers
Product Volume (in cubic feet)
Refrigerator
Freezer
Vertical Configuration
Solid Door Cabinets


0< V< 15
< 0.089V + 1.411
< 0.250V + 1.250
15 < V < 30
< 0.037V + 2.200
< 0.400V- 1.000
30 < V < 50
< 0.056V + 1.635
< 0.163V+ 6.125
50 < V
< 0.060V + 1.416
< 0.158V+ 6.333
Glass Door Cabinets


0< V< 15
< 0.118V + 1.382
< 0.607V + 0.893
15 < V < 30
< 0.140V + 1.050
< 0.733V-1.000
30 < V < 50
< 0.088V + 2.625
< 0.250V + 13.500
50 < V
< 0.110V + 1.500
< 0.450V + 3.500
Chest Configuration
Solid or Glass Door Cabinets
< 0.125V + 0.475
< 0.270V + 0.130
Note: V = AHAM volume, as defined in Section 1, in cubic feet (ft3).
Mixed Solid/Glass Door Cabinets
This section applies to mixed solid/glass door cabinets designed with two or more compartments
contained in a single cabinet with different exterior door types (i.e., one is glass and one is solid) on
the same side of the cabinet. The maximum daily energy consumption (MDEC) of mixed solid/glass
door cabinets shall be the sum of all individual compartment MDEC values. For purposes of mixed
solid/glass door cabinets, compartments are defined by the volume associated with the different
exterior door types. The interior of these compartments may or may not be physically separated.
The volume of each individual compartment shall be measured, and its MDEC limit determined,
based on the compartment's volume and door type, as listed in Table 1. The sum of the volumes of
each compartment must be equivalent to the total AHAM volume of the cabinet. The following
information must then be reported on the Qualified Product Information (QPI) form for these types of
units: the total energy consumption for the entire cabinet, the total volume of the cabinet, and the
volume for each compartment.
Example: Consider a vertically-configured refrigeration cabinet with a total volume of 50 cubic
feet with one glass half door and one solid half door on the same side. The maximum daily
energy consumption (MDEC) of the equipment would be the sum of the MDEC for the two
compartments. The requirement used to calculate the MDEC for each compartment is based on
the compartment's volume and door type:
Glass Door MDEC: (25 cu. ft. X 0.140) + 1.050 = 4.550 kWh/day
Solid Door MDEC: (25 cu. ft. X 0.037) + 2.200 = 3.125 kWh/day
MDEC for entire cabinet: 4.550 kWh/day + 3.125 kWh/day = 7.675 kWh/day
4) Test Criteria: Product models must be tested to ensure that they meet the ENERGY STAR
guidelines. The test results must be reported to EPA using the Commercial Refrigerator and Freezer
Version 2.0 QPI form. In addition to test results, product specification sheets (i.e. cut sheets) and test
ENERGY STAR Program Requirements for Commercial Refrigerators and Freezers: Version 2.0

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reports from an approved source, as described below, are required to be submitted for each
qualifying product model.
A. Testing Temperature: Manufacturers must use ANSI/ASHRAE Standard 72-2005, "Method of
Testing Commercial Refrigerators and Freezers" to measure the daily energy consumption of
commercial food-grade refrigerators and freezers using the temperature specifications listed in
Table 2, below.
Table 2: Temperature Specifications for Testing
Product Type
Integrated Average Product Temperature
Commercial food-grade refrigerator
38 degrees ± 2 degrees F
Commercial food-grade freezer
0 degrees ± 2 degrees F
B.	Additional Testing Conditions: Only those test procedures in ANSI/ASHRAE 72-2005 relevant
to closed refrigerators are applicable to this specification. Manufacturers should report the total
energy consumption of the product, which includes both the auxiliary energy and refrigeration
energy consumption. In addition, equipment must be tested according to ANSI/ASHRAE 72-
2005:
•	With all standard, factory-installed accessories (lighting, perimeter heat, pan heater, etc.) in
the "ON" position, if manually-controlled.
•	With all accessories, such as electric condensate pans, that come standard with equipment,
but not necessarily factory-installed, installed and in the "ON" position.
C.	Power Management Devices: Equipment with energy management devices permanently
installed, such that the operator is not able to adjust the settings, may be operational during the
test period, if the energy management device will never change to a new integrated average
product temperature after the test has been concluded. Manufacturers should refer to
ANSI/ASHRAE Standard 72-2005 and its official interpretations for further guidance on power
management devices.
D.	Acceptable Testing Sources: Test reports will only be accepted from a Commercial
Refrigeration Testing Laboratory that:
i.	Is approved by the California Energy Commission Appliance Efficiency Program. A list of
approved labs is available at http://www.enerqv.ca.qov/appliances/forms.
OR
ii.	Provides data that is verified by a certification body, which is accredited by the Standards
Council of Canada. Note: this approval process is identical to the requirements for Natural
Resources Canada. A list of accredited certification bodies may be found at
http://www.oee.nrcan.qc.ca/requlations/quide.cfm. in the section titled Energy Efficiency
Verification Mark.
5) Effective Date: The date that manufacturers may begin to qualify products as ENERGY STAR will be
defined as the effective date of the agreement. Any previously executed agreement on the subject of
ENERGY STAR qualified commercial refrigerators and freezers shall be terminated effective
December 31, 2009.
A. Qualifying and Labeling Products under Version 2.0: The ENERGY STAR Commercial
Refrigerators and Freezers Specification Version 2.0 shall go into effect on January 1, 2010.
All products, including models originally qualified under the previous Version 1.0 commercial
refrigerator and freezer specification, with a date of manufacture on or after January 1, 2010,
must meet the new Version 2.0 Program Requirements in order to qualify for ENERGY STAR
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(including additional manufacturing runs of models originally qualified under the previous
specification). The date of manufacture is specific to each unit and is the date (e.g., month
and year) on which a unit is considered to be completely assembled.
B. Glass Door Cabinets: Glass door cabinets, as defined in Section 1 above, meeting the
requirements of this Version 2.0 specification may begin qualifying for ENERGY STAR on
April 1, 2009.
6) Future Specification Revisions: ENERGY STAR reserves the right to revise the specifications should
technological and/or market changes affect its usefulness to purchasers, industry, or the environment.
In keeping with current policy, revisions to the specification are arrived at through discussions with
stakeholders. In the event of a specification revision, please note that the ENERGY STAR
qualification is not automatically granted for the life of a product model. To qualify as ENERGY
STAR, a product model must meet the ENERGY STAR specification in the effect on the date of
manufacture.
A.	Drawer Cabinets: EPA will monitor industry efforts to develop a test procedure to measure
and compare the energy performance of refrigerated drawer cabinets. Based on the
availability of an industry accepted test procedure and performance data, EPA may consider
adding this product category in future versions of this specification.
B.	Laboratory Grade Refrigerators and Freezers: EPA is currently working with
manufacturers of laboratory grade refrigerators and freezers to develop separate
requirements for equipment designed for and used in laboratory environments. Once these
requirements are finalized, EPA may amend this Version 2.0 specification to include
laboratory grade refrigerators and freezers.
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