The Stinger™ refrigerant recovery unit is ideal for the recovery of refrigerants from air conditioning units or refrigeration systems for residential and light commercial equipment, says the company.

The second generation Microvac II refrigerant recovery unit is faster, more durable, and easier to use, says the company. Design enhancements include a more powerful 3¼4-hp compressor. This oilless ...

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 ...