The usage of drinking water as the heat transfer medium is called hydronics. The heated drinking water could also source an auxiliary warmth exchanger to produce warm h2o for bathing and washing. Refrigerant: Used in air-con units and heat pumps, the refrigerant transfers heat outdoors to chill a making. Warmth https://hvac28494.thezenweb.com/a-simple-key-for-hvac-unveiled-69754433