A2L MAP: AHRI' recently released map of the United States lists state and local building codes and legislation passed to allow the use of A2L refrigerants. (Courtesy of AHRI) February 5, 2024 The ...
For the past 25 years, the Federal Emergency Management Agency (FEMA) has helped develop building codes, the construction standards that help houses survive hurricanes, wildfires and earthquakes. Now, ...
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