ENERGY STAR® Program Requirements
for Boilers
ENERGY STAR
PARTNIR,
Partner Commitments
Commitment
The following are the terms of the ENERGY STAR Partnership Agreement as it pertains to the
manufacturing of ENERGY STAR qualified boilers. 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 boilers and specifying the testing criteria for
boilers. 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 Logo Use 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 boiler or model within one year of activating the boilers
and combination space-heating and water heating 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 boilers. The ENERGY STAR label
must be clearly displayed 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.
It is also recommended that the label appear on the top/front of the product and on the product
packaging;
offer and encourage training to distributors and/or contractors on the following issues: system
venting, condensate removal, code compliance, and proper use of the Manual J calculation, or
other equivalent calculation, in order to encourage proper sizing of equipment;
• provide to EPA, on an annual basis, an updated list of ENERGY STAR qualifying boiler models.
Once the Partner submits its first list of ENERGY STAR labeled boiler models, the Partner will be
listed as an ENERGY STAR Partner. 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 boilers 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., capacity, size, speed, or other as relevant), 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.
If requested under the Freedom of Information Act (FOIA), EPA will argue that the data is exempt.
ENERGY STAR Program Requirements for Boilers
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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 boilers within 30 days.
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 labeled 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 labeled 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 in use in
company facilities, particularly upon installation and after service is performed;
• 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 labeled
product models;
feature the ENERGY STAR label(s) 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.energystar.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
labeled 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.
ENERGY STAR Program Requirements for Boilers
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ENERGY STAR® Program Requirements
for Boilers
Eligibility Criteria
Below is the product specification (Version 2.0) for ENERGY STAR qualified boilers. A product must meet all
of the identified criteria if it is to be labeled as ENERGY STAR by its manufacturer.
1) Definitions: Below is a brief description of a boiler and other terms as relevant to ENERGY STAR.
A. Residential Boiler: A self contained fuel burning appliance of less than 300,000 Btu per hour
energy input, for supplying low pressure steam or hot water for space heating applications. A
heating unit that meets this definition and also provides hot water for domestic or other use is
considered a boiler for purposes of this agreement (see Combination Space-Heating and Water
Heating Appliance below).
B. Combination Space-Heating and Water Heating Appliance: Appliance that provides both space
conditioning (boiler) and hot water heating with one appliance or energy source. The combination
appliance circulates hot water from the water heater through a heat exchanger in the air handler.
A blower will move the heated air through a standard duct system. In the summer, an air
conditioner is connected to the exchanger and the system functions similarly, with cool air being
pushed through the ductwork.
C. AFUE: The Annual Fuel Utilization Efficiency ("AFUE") measures the amount of fuel converted to
space heat in proportion to the amount of fuel entering the boiler. This is commonly expressed as
a percentage. For purposes of this agreement, the efficiency of a boiler shall be measured using
AFUE. Test procedures have been developed to test AFUE by the Department of Energy (DOE).
These procedures are specified in 10 CFR part 430.
D. CAafue: The Combined Appliance Annual Fuel Utilization Efficiency ("CAafue") is the effective
efficiency of the combined appliance in performing the function of space heating. When the
primary heating source of the combined appliance is a residential boiler, the CAafue is the same
as the AFUE of the boiler as determined by DOE test procedures specified in 10 CFR 430.
E. Manual J Calculation: A calculation performed to determine the heating load for a residence or
small commercial building. The calculation includes site-specific characteristics such as regional
weather data, building framing materials, building insulation levels, building air infiltration levels
and window area. The calculation follows procedures and protocols developed by the Air
Conditioning Contractors of America.
2) Qualifying Products: Any boiler that meets the definition in Section 1A is eligible for the ENERGY STAR
label.
3) Energy-Efficiency Specifications for Qualifying Products: Only those products listed in Section 2 that
meet or exceed 85% AFUE (CAafue) energy-efficiency ratings may qualify as ENERGY STAR.
4) Test Criteria: Manufacturers are required to perform tests and self-certify those product models that
meet the ENERGY STAR guidelines. Partner agrees to measure a boiler model's energy efficiency using
the AFUE for space heating as determined by DOE using test procedures specified in 10 CFR part
430. Partner agrees to measure combination space-heater and water heater appliances based on
ASHRAE Standard ANSI/ASHRAE 124-1991 "Methods of Testing for Rating Combination Space-
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Heating and Water-Heating Appliances."
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. The ENERGY STAR Boiler specification is effective
immediately.
6) Future Specification Revisions: ENERGY STAR reserves the right to change the specification should
technological and/or market changes affect its usefulness to consumers, industry, or the environment.
In keeping with current policy, revisions to the specification are arrived at through industry
discussions.
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