When conducting a short-term radon test, should the air exchanger be running or not? Great question. I've heard it argued both ways. If a home is designed to have an air exchanger running, I say it ...

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.

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 ...