or by producing an extremely hot surface that ignites the gas as it passes. Blower fan: A small electric fan and motor that ...

Propane and natural gas furnace units are preferred because they ... “We don’t want any sort of cold or hot air infiltration into the house.” ...

Dear Jeanine: An efficient and easy way to reduce your home heating cost is to heat only the rooms that are occupied and keep your furnace set very low. Use a space heater (or heaters) to make ...