The amount of heating or cooling an HVAC system delivers is constantly changing. In the morning, a 3-ton heat pump may deliver 21,000 BTU and have a 16F temperature rise. That afternoon, its capacity may increase to 32,000 BTU with the temperature rise increasing to 24F. Equipment rated cooling capacity also changes hour by hour. Let’s take a look at how you can find and use equipment heating and cooling capacity.
As indoor and outdoor conditions change, the capacity of heating