Furnaces or air handlers, as the industry calls them, are limited by the amount of air they can deliver through the duct work. The amount of air they can deliver is determined by their size. Any of...
Category: Electric Furnaces
What Is The Difference Between Auxiliary Heat And Emergency Heat?
Auxiliary heat is displayed in various ways on a thermostat. They use abbreviations like "aux ht" or "em ht". What does emergency heat mean? Why does my auxiliary heat keep coming on? A heat...
Your furnace fan keeps running because there is a problem with your heat pump. The thermostat thinks the heat pump can't keep up so it turns on the auxiliary heat until the house warms then back to...
Mobile home furnace with added filter grill.