In just over eight months, the widely used refrigerant R-22 will no longer be available in new cooling systems. This mandate harkens back to the U.S. Clean Air Act Amendments of 1990, so the HVAC ...
For more than 10 years, R-410A has been the refrigerant used in virtually every rooftop unit (RTU) manufactured in the U.S. That will be changing in the not-so-distant future, as last December, ...
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