Big changes are coming in 2025. The refrigerant R-410A, used in many air conditioners and heat pumps, will start being phased out. The Environmental Protection Agency (EPA) is behind this move. Their goal is to reduce harmful chemicals. These chemicals contribute to global warming. This change is part of a bigger plan to protect our planet. this default text and start typing your own or paste your own from a different source.

R-410A is a type of hydrofluorocarbon (HFC) that has a high Global Warming Potential (GWP). The EPA’s goal is to cut down the use of these harmful chemicals to protect our environment. By 2036, they aim to reduce HFC usage by 85%.

THE AIM ACT: WHAT YOU NEED TO KNOW

The American Innovation and Manufacturing (AIM) Act is a law passed in 2020 to control and reduce the use of HFCs like R-410A. The Act will:

Reduce HFC production and consumption.

Promote safer alternatives.

Implement strict regulations to enforce these changes.

New Limits for Refrigerants

Starting January 1, 2025, there will be new GWP limits for different HVAC systems:

Home dehumidifiers: 700 GWP

Home and light commercial air conditioning: 700 GWP

Comfort cooling chillers: 700 GWP

Residential refrigerators: 150 GWP

Commercial ice machines: 150 GWP

Ice rinks: 150 GWP

Cold storage warehouses: 150-300 GWP

Vending machines: 150 GWP

Supermarket refrigeration: 150-300 GWP

Industry Reaction

Many HVAC businesses are concerned about these new rules, especially small companies. Despite this, the EPA plans to move forward with the changes.

As R-410A is phased out, we’ll start using A2L refrigerants like R-32. These new refrigerants have a lower GWP, which means they’re better for the environment. However, they are mildly flammable, so extra safety measures are needed.

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Class A: Low toxicity (safe to breathe)

Class B: High toxicity (unsafe to breathe)

Class 1: No flame (safe from fire)

Class 1: No flame (safe from fire)

Class 2L: Mildly flammable

Class 3: Highly flammable

As R-410A is phased out, we’ll start using A2L refrigerants like R-32. These new refrigerants have a lower GWP, which means they’re better for the environment. However, they are mildly flammable, so extra safety measures are needed.

EVACUATION, CHARGING, AND RECOVERY

The processes for using A2L refrigerants are similar to those for older refrigerants, but always follow manufacturer guidelines and use the right equipment.

Disposal

A2L refrigerant tanks have a unique silver color with a red stripe. Make sure to fully evacuate and puncture these tanks safely for disposal.

No Retrofits

You cannot use A2L refrigerants in systems designed for older refrigerants. Each system is specifically built for its designated refrigerant type.

As R-410A is phased out, we’ll start using A2L refrigerants like R-32. These new refrigerants have a lower GWP, which means they’re better for the environment. However, they are mildly flammable, so extra safety measures are needed.