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 ...

Effective July 1, 1992, it became unlawful to intentionally vent refrigerants into the atmosphere for any reason. It is the policy of Purdue University to comply with all Federal, State, and local ...