Refrigeration Regulations

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CARB Updated Regulations

Proposed Amendments to CARB's HFC Regulations

New Requirements for Stationary Refrigeration and Air Conditioning…

Navigating and staying compliant with all of the new retail and commercial refrigeration regulations can seem daunting…

Many of the hydrofluorocarbon (HFC) refrigerants used in commercial refrigeration produce environmentally harmful carbon emissions. As the industry looks for alternative refrigerants with lower global warming potential (GWP) and ozone depletion potential (ODP), questions arise concerning regulatory changes, refrigerant performance and safety. Don’t worry, Hillphoenix offers refrigeration expertise and solutions that satisfy the regulatory needs of today and tomorrow.

The information below offers an overview of important regulations, effective dates, and agencies involved. Links are also provided for additional information on specific regulations. If you have questions, email us at or call us at 770-285-3264.

What Has Happened?

  • 1/2020DOE AWEF Increased walk in cooler and freezer energy efficiency. Read >

  • 1/2020 – EPA Restrictions on production / import of HCFC-22 and HCFC-142b. Read >

  • 1/2020 – NRCan Walk-in cooler energy reduction. Read >

  • 2/2020 – EPA Revised Section 608. Read >

  • 7/2020DOE AWEF Additional walk cooler and freezer efficiency requirements. Read >

  • 7/2020NRCan Walk-in freezer energy reduction. Read >

What's Next?

  • 2/2021EPA Refrigerant de-listings for new cold-storage warehouse systems. Read >

  • 1/2022 – CARB High GWP refrigerants no longer allowed in new refrigeration systems Read >

Regulatory Timelines for Food Retail & Industrial Refrigeration​




WICF efficiency increases.  Read>



Walk-in cooler energy efficiency. Read>



WICF efficiency increases. Read>



Walk-in freezer energy efficiency.  Read>



HCFC production / importation restrictions. Read>



Revised Section 608. Read>




Cold storage warehouse refrigerant restrictions. Read>




Stationary refrigeration systems GWP restrictions. Read>




Chiller GWP restrictions. Read>



Climate Alliance

Reduce greenhouse gas emissions. Read>




Charge and GWP restrictions. Read>




Charge and GWP restrictions. Read>



HCFC production and importation restrictions. Read>

Regulatory Timelines for Food Retail & Industrial Refrigeration

DOE WICF energy reduction med-temp condensing & self-contained units. Read >


DOE WICF energy reduction low-temp condensing units, self-contained &  med. & low-temp. unit coolers. Read >


CARB Refrigerants with a GWP >= 2,200 will not be allowed in new chillers. Read >


CARB Facilities with systems charged with more than 50 pounds must collectively meet a 1,400 GWP. Read >


|——————– 2020 ——————–|——————– 2021 ——————–|——————– 2022 ——————–|——————– 2024 ——————–|——————– 2030 ——————–|


EPA Ban on remaining production / import of HCFC-22 and HCFC-142b. Read >


EPA Revised Section 608. Read >


EPA Specific refrigerants banned in new cold storage warehouses. Read >


CARB Refrigerants with a GWP >= 150 not be allowed in new stationary refrigeration systems. Read >


CARB Refrigerants with a GWP >= 750 will not be allowed in chillers. Read >


EPA Ban on remaining production and import of all HCFCs. Read >

We have the products and expertise that you need!

Email or call 770-285-3264.

Regulatory Agencies

California Air Resources Board Logo
The California Air Resource Board (CARB) is an organization entrusted with educating and safeguarding communities from the harmful effects of air pollution and develops programs that combat climate change. Read more about CARB compliance.

The EPA’s Significant New Alternatives Policy (SNAP) was instituted under Section 612 of the Clean Air Act to identify and evaluate alternatives for ozone-depleting substances. Click here for more information concerning the EPA SNAP regulations.

Department of Energy

The Department of Energy (DOE) has put rules and regulations in place impacting the commercial refrigeration industry. Click here to read more.

Natural Resrouces Canada

The Natural Resources of Canada organization is committed to improving the quality of life of Canadians by ensuring the country’s abundant natural resources are developed sustainably, competitively and inclusively. Click here to read more.

Climage Alliance

The U.S. Climate Alliance, which was established in 2017, is a bipartisan coalition of governors committed to reducing greenhouse gas emissions. Click here to read more.

Latest News

Check back often. We post the latest information when it becomes available.

ASHRAE Seeking Public Comments on Proposal to Boost Charge Limit for A3, A2L Refrigerants

May 3, 2021
ASHRAE is seeking comments from the public on a proposal to expand the allowable charge sizes for A3 (flammable) and A2L (less flammable) refrigerants in commercial refrigeration equipment used in North America. The 30-day advisory public review (APR) period for the proposal, which began on April 9, ends on May 9. Text of the proposal – which would modify the ASHRAE 15 Safety Standard for Refrigeration Systems – can

Proposed Amendments to CARB’s HFC Regulations

December 10, 2020
New Requirements for Stationary Refrigeration and Air Conditioning.

California introduces groundbreaking program to reduce climate “super pollutants”

December 10, 2020
SACRAMENTO – Today the California Air Resources Board approved first-in-the-nation rules to curb the impact of powerful artificial refrigerants that pose a growing danger globally to efforts to contain the worst impacts of climate change. The refrigerants, known as hydrofluorocarbons or HFCs, are considered to be super pollutants because they trap heat in the atmosphere thousands of times more effectively than carbon dioxide, the most prevalent greenhouse gas. These rules can

Public Hearing to Consider Proposed Amendments to the Prohibitions on Use of Certain Hydrofluorocarbons in Stationary Refrigeration, Chillers, Aerosols-Propellants, and Foam End-Uses Regulation

October 21, 2020
The California Air Resources Board (CARB or Board) will conduct a public hearing at the time noted below to consider approving for adoption the Proposed Amendments to the Prohibitions on Use of Certain Hydrofluorocarbons in Stationary Refrigeration, Chillers, Aerosols-Propellants and Foam End-Uses (Title 17, California Code of Regulations, section 95371 et seq.) (HFC Regulation).  DATE: December 10, 2020, TIME: 9:00 a.m.
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CARB GWP Refrigerants Ban – Frequently Asked Questions

July 29, 2020
The California Air Resource Board (CARB) passed a ruling to ban certain high GWP refrigerants, effective JANUARY 1st 2020. Many food retail companies have questions regarding these regulations. The following Q&A should help clarify the type of equipment effected and the timelines involved. If you need more information email us at or call us at 770-285-3264. Q1: What is the effective date for this regulation? A: The original

Dover Food Retail Communication on the April 7th Ruling on EPA SNAP

April 20, 2020
The US EPA enacted SNAP rules 20 & 21, intended to reduce green house gas emissions SNAP 20 & 21 were vacated as the result of a suit filed against the EPA by Mexichem Fluor On April 7th, 2020 the US Court of Appeals ruled in favor of reinstating portions of SNAP 20 & 21 The impact of this ruling on GWP regulations is unclear, but Dover Food Retail

DOE Compliance Day Approaches for Walk-in Coolers and Freezers

April 9, 2020
With final enforcement dates quickly approaching, many OEMs are now eying the DOE deadlines with new urgency and making the necessary design changes needed to comply. It’s been  more than two years since the commercial refrigeration industry has faced a major regulatory deadline from the Department of Energy (DOE). Since 2017, original equipment manufacturers (OEMs) of new stand-alone, reach-in equipment

Additional Resources

CARB – The Refrigerant Management Program (RMP) requires facilities with refrigeration systems containing more than 50 pounds of high-GWP refrigerant to conduct and report periodic leak inspections, promptly repair leaks; and keep service records on site. The regulation also requires service practices intended to minimize refrigerant emissions. Read More>

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