Forced Hot Air Furnace Heat Exchanger

Most standard models with one heat exchanger deliver around 80 afue efficiency.

Forced hot air furnace heat exchanger.

Condensing furnaces all furnaces include a heat exchanger which converts combustion gases into heat for your home. Simply put the furnace heat exchanger is the part of your furnace that actually heats the air. The limit is a safety and not designed to shut the furnace on and off. Find forced air furnaces at lowe s today.

The heat exchanger in a furnace separates the combustion process from your breathing air. Forced air systems use a furnace or heat pump to heat the air and then disperse it through the house via ductwork and in room vents. Heat exchangers are the components that draw heat from the burned gas. More important is the high end of the rated range.

That s because more families are discovering only miller furnaces offer such incredible efficiency and comfort plus lots of other value added features. Lennox vs carrier furnace review. Get free shipping on qualified oil forced air furnaces or buy online pick up in store today in the heating. What shape these coils take is dependent on what model of furnace you have as well as what type of fuel that your furnace uses for combustion.

Air is heated as it is blown across the hot metal surface of the heat exchanger. To draw more heat from the air they burn energy efficient furnaces supplement the primary exchanger with a second exchanger. When we are near or over the high end number the furnace may begin cycling on the limit control. Condensing models employ a secondary heat exchanger which squeezes additional heat from combustion gases to achieve 90 or better afue efficiency.

Once the temperature is set at the thermostat cold air from the home is pulled into the system where it passes through the air filter removing allergens like pollen and dust. It is a combination metal chamber and passageway that starts at the burner assembly and ends approximately where the chimney vent connects to the furnace. For information on different furnace brands try.