Tag Archives: flame sensor

A furnace is a heating unit indispensable to any home, made warm and comfortable in cold weather. A vital and often perma­nent part of the central heating system, it delivers heat to interior spaces by blowing hot air through ductwork. According to smilehvac.ca: Heating appliances use different sources to get …

It defeats the entire purpose of having a furnace in the first place, and so from the moment you get to know that your furnace is blowing cold air, all hell breaks loose. This mostly takes place when the cold weather starts getting into motion. You go to turn on …