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 ...

Refrigerant recovery machines are designed to last a long time. In fact, some manufacturers say that with proper maintenance, their units can last more than 10 or 15 years. But machines eventually ...

Find 23 Refrigerant Recovery Machines suppliers with GlobalSpec. Our catalog includes 106,486 manufacturers, 20,794 distributors and 94,630 service providers. The GlobalSpec database includes 62,430 ...

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 ...