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 ...

Refrigerant recovery is a necessary part of most air conditioning service calls. The increased use of high pressure refrigerants has created new challenges for technicians, yet it is still possible to ...

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 ...

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 ...