Geothermal heat pumps (GHPs), sometimes referred to as GeoExchange, earth-coupled, ground-source, or water-source heat pumps, have been in use since the late 1940s. They use the relatively constan...
A common question we at O.S.B. shop often receive by customers is: “How much time does a heat pump require to heat my swimming pool/spa?” This is a great question, but not one that is easily answe...