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Low GWP

For A Cleaner Tomorrow

We believe building for tomorrow is as important as building for today. The transition to low Global Warming Potential (GWP) refrigerants represents a positive step for the environment, as it significantly reduces the impact of harmful greenhouse gases.

What’s Changing?

Starting in 2025, the Environmental Protection Agency (EPA) is introducing new guidelines to reduce the global warming potential (GWP) of the heating and cooling systems used in homes across America. In line with those changing regulations, we’re relaunching our product lines with a new, low GWP refrigerant option.

Built For The Future

The new refrigerant used in our products reduces global warming potential by 78%*. That helps all of us reduce our environmental impact and build toward a cleaner future for everyone.

Trusted Today In Homes Across America

This refrigerant, and others similar in nature, are more environmentally sustainable and commonly used in homes today—including in freezers, refrigerators and even cars!


While you may not notice anything different about your unit from the outside, new units will come outfitted with updated sensors to provide added peace of mind while delivering the same trusted performance you expect from Concord® systems.

UL Solutions Logo

Concord units are designed, tested, and inspected to meet
the latest UL safety standards and building code requirements.

*Global, national, state, and local GWP requirements may change at any time without notice.