Btu is brief for British thermal units. One Btu is equal to the quantity of warmth needed to increase one pound of h2o by one degree Fahrenheit. In cooling, Btu is used to measure the amount of warmth is faraway from a area. The U-formed unit includes a notch amongst https://josueyeimq.wikissl.com/963068/new_step_by_step_map_for_hvac_maintenance_services