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 ...

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 ...

The vapor-compression cycle has four stages (compression, condensation, expansion, and evaporation) and one ultimate goal: converting refrigerant into a state that makes it useful as a heat transfer ...