Researchers at the University of Padova in Italy have proposed to improve the performance of residential air heat pumps with air-geothermal heat exchangers and have found this combination may reduce ...

The EKO 1.5 heat recovery ventilator air exchanger is designed for residential ventilation. According to the manufacturer, the air exchanger’s core recovers 80 percent of a home’s heat or cool air.

Unwanted heat is a problem for all hydraulic systems. Unwanted heat is a problem for all hydraulic systems. Even a well-designed system operating at top efficiency converts about 20% of its input ...