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 ...
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 ...
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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