For years, HVACR technicians have been used to primarily working with nonflammable (A1) refrigerants, such as R-410A, R-22, and R-404A. Now that HCFCs are being phased out and there is growing concern ...
Recovering refrigerant from HVAC and refrigeration systems is an important day-to-day task for HVACR technicians. With the recently announced the U.S. Environmental Protection Agency (EPA) phasedown ...
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If a contractor offers “last year’s refrigerant” equipment, what to ask before you say yes
When a contractor suggests installing equipment that still uses last year’s refrigerant, you are not just choosing a model ...
A while back, I addressed the energy savings potentials behind a drain waste heat recovery heat exchanger. It has the potential of reducing energy consumption of residential applications by as much as ...
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