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Full analysis of the three major energy efficiency certifications for commercial refrigerators exported to the United States
Time：
2025-06-16
The three major energy efficiency certifications for commercial refrigerators exported to the US market include DOE certification, CEC certification, and Energy Star certification.
DOE (Department of Energy) certification
What is DOE certification
DOE certification is a mandatory energy efficiency certification system implemented by the US Department of Energy (DOE) in accordance with US federal regulations. DOE energy efficiency certification is applicable to various electronic and electrical products, such as refrigerators, dishwashers, dryers, washing machines, air conditioners, televisions, etc. All electronic and electrical products sold in the US market must meet the minimum energy efficiency standards.
DOE certification for commercial refrigerators
1. Product Range
Commercial refrigerators, freezers, and refrigerated freezers. And:
a. The equipment needs to be equipped with an electrically driven direct expansion refrigeration system or a thermoelectric refrigeration system;
b. Portable and remote commercial refrigerated display cabinets and storage cabinets;
Including the following types of open and closed commercial refrigerators and freezers used for displaying or storing products that require refrigeration:
a. Horizontal and vertical, open and closed refrigerated cabinets and freezers;
b. Remote and portable, open and closed refrigerators and freezers;
Not applicable to products:
Walk in refrigerators, or refrigerated and freezer cabinets that connect refrigeration air to a walk in refrigerator.
2. Testing requirements
● Testing standards:
(1) Commercial refrigerators, freezers, and refrigerated freezers testing standards: Appendix B to Subpart C of 10 CFR Part 431;
(2) Maximum energy consumption limit requirement: 10 CFR 431.66 (e) (on or after March 27, 2017)
Test items: power consumption test, volume measurement, display area measurement
CEC (California Energy Commission) certification
What is CEC certification
CEC certification is an energy efficiency certification implemented by the California Energy Commission (CEC) in accordance with California's electrical and electronic regulations. This certification aims to improve the energy efficiency of electronic and electrical products, reduce carbon dioxide emissions, and covers 58 major categories of products. Electrical products within the scope of certification (such as household and commercial refrigerators, air conditioners, etc.) must be tested by qualified laboratories in accordance with relevant regulations or standards in the United States to prove compliance before they can be sold in California, USA.
Commercial refrigerator CEC certification
1. Product Range
Commercial refrigerators, freezers, and refrigerated freezers. And:
a. The equipment needs to be equipped with an electrically driven direct expansion refrigeration system or a thermoelectric refrigeration system;
b. Portable and remote commercial refrigerated display cabinets and storage cabinets;
Including the following types of open and closed commercial refrigerators and freezers used for displaying or storing products that require refrigeration:
a. Horizontal and vertical, open and closed refrigerated cabinets and freezers;
b. Remote and portable, open and closed refrigerators and freezers;
Not applicable to products:
Walk in refrigerators, or refrigerated and freezer cabinets that connect refrigeration air to a walk in refrigerator.
2. Testing requirements
● Testing standards:
(1) Commercial refrigerators, freezers, and refrigerated freezers testing standards: Appendix B to Subpart C of 10 CFR Part 431;
(2) Maximum energy consumption limit requirement: 20 CA ADC § 1605.1 Federal and State Standards for Federally Regulated Appliances. (Effective: July 18, 2024)
Test items: power consumption test, volume measurement, display area measurement
Energy Star certification
What is Energy Star Certification
Energy Star certification is a voluntary energy-saving program jointly implemented by the US Department of Energy (DOE) and the US Environmental Protection Agency (EPA), aimed at promoting energy conservation and emission reduction, and helping consumers identify energy-saving products. Commercial refrigerators and freezers that have obtained Energy Star certification have an average energy efficiency 20% higher than products that meet the federal minimum energy efficiency standards.
Commercial Refrigerator Energy Star Certification
1. Product Range
(1) Meets the definition of any of the following categories of commercial refrigeration equipment:
◆ Commercial Refrigerator;
◆ Commercial Freezer;
◆ Commercial Refrigerator Freezer;
Commercial Hybrid refrigeration equipment;
◆ Convertible Temperature Equipment for commercial use;
And:
(a) Non civilian products (as defined in 10 CFR Part 430, Section 430.2 of the Federal Regulations);
(b) Not specifically designed and sold for medical or scientific research purposes;
(c) The operating temperature can cover refrigeration, freezing, mixed refrigeration and freezing, or variable temperature modes;
(d) Having horizontal, semi vertical, or vertical display/storage space for goods;
(e) The door configuration shall conform to any of the following forms:
Transparent or solid doors
Sliding or hinged doors
The combination form of the above door body
Open door design without doors;
(f) Suitable for rapid cooling or constant temperature storage conditions;
(g) Connection method of refrigeration system:
• Portable condensing unit, or
Remote condensing unit
(2) Equipment category:
i. Horizontal enclosed solid door portable low-temperature cabinet (HCS. SC.L)
Ii. Horizontal enclosed solid door portable medium temperature cabinet (HCS. SC. M)
Iii. Horizontal Closed Transparent Self Carrying Low Temperature Cabinet (HCT. SC.L)
Iv. Horizontal enclosed transparent portable medium temperature cabinet (HCT. SC. M)
v. Vertical enclosed solid door portable low-temperature cabinet (VCS. SC.L)
Vi. Vertical enclosed solid door portable medium temperature cabinet (VCS. SC. M)
Vii. Vertical Closed Transparent Self Carrying Low Temperature Cabinet (VCT. SC.L)
VIII. Vertical enclosed transparent portable medium temperature cabinet (VCT. SC. M)
Ix. Chef's table type portable medium temperature cabinet (CB. SC. M)
x. Chef's table type portable low-temperature cabinet (CB. SC. L)
Xi. Counter service type portable medium temperature cabinet (SOC. SC. M)
(3) The following products are not suitable for the scope of commercial refrigerator Energy Star:
Specific types of commercial refrigeration equipment:
Refrigerated buffet table and operating table;
Walk-in freezer;
Quick freezing cabinet and quick freezing cabinet;
Horizontal/vertical/semi high vertical open type equipment;
Remote condensing unit equipment;
Ice cream specific freezer.
Low temperature application products:
Equipment that meets the definition of minimum application product temperature (LAPT, see 10 CFR Part 431, Division C, Section 431.62 and Appendix B, Section 2.2 of the Federal Regulations).
Other certification covered products:
Refrigeration equipment that has been included in the technical specifications of other "Energy Star" products (such as household refrigerators and freezers).
2. Testing requirements
● Testing standards:
(1) Commercial refrigerators, freezers, and refrigerated freezers testing standards: Appendix B to Subpart C of 10 CFR Part 431
(2) Maximum energy consumption limit requirement: ENERGY STAR ® Program Requirements for Commercial Refrigerators and Freezers 5.0
Test items: power consumption test, volume measurement, display area measurement
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