Refrigerant recovery machines are to contractors what HVAC systems are to homeowners. Heating and cooling systems are usually the most expensive pieces of equipment in a house, and they need regular ...
LAS VEGAS — The supply of virgin R-22 allocations in the U.S. will be reduced from 17.6 million pounds in 2016 to 13.2 million pounds in 2017. Meanwhile, the U.S. Environmental Protection Agency (EPA) ...
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