Here is the simple version: Burning propane or natural gas generates heat in the furnace's burner. The heat produced passes through a heat exchanger, making it hot. Air from the home's ductwork is blown over the heat exchanger, warming the air.
What is the sequence of operation for an electric furnace?
The thermostat calls for a heat call. The Fan thermostat in the burner box will heat up and turn on the blower fan to push the heat to the duct work. At the end of the heat call the thermostat in the house is satisfied it will send a signal to the furnace for shut down it closes the gas valve and the flame goes out.16 Jan 2019
How does a modern furnace work?
Natural gas or propane is ignited in the burner. The flames heat up a metal heat exchanger and exhaust out of the flue. The heat exchanger transfers its heat to the incoming air. As the warm air fills each room, the colder, denser air is drawn back into the furnace via the return ducts, repeating the process.
What is the average cost of a new furnace with installation?
Installing or replacing a furnace costs between $2,796 and $6,745 with an average cost of $4,645 including materials, equipment and labor. Replacing a gas furnace runs from $3,800 to $10,000 or more for high efficiency models in complex installations. Electric models run slightly less at $2,000 to $7,000.10 Jan 2022
Do new furnaces come with a thermostat?
And if you have your new furnace installed by Jerry Kelly, you won't have worry because a new programmable thermostat will be included with your installation! You can lower your winter energy bills.
How does a furnace work step by step?
https://www.youtube.com/watch?v=tVLtJwix-_8
How does a furnace produce heat?
Burning propane or natural gas generates heat in the furnace's burner. The heat produced passes through a heat exchanger, making it hot. Air from the home's ductwork is blown over the heat exchanger, warming the air.
How does the furnace work?
A forced-air furnace heats your home through a heating cycle that looks like this: Natural gas or propane is ignited in the burner. The flames heat up a metal heat exchanger and exhaust out of the flue. The furnace's blower forces the heated air into the ductwork and distributes it throughout the home.
Does heat come from the furnace?
Heaters, Furnaces, And Boilers are all connected Most homes have a boiler and a furnace to some degree. The furnace is the primary source of central heat, pumping hot air into every room and kicking the cold to the wayside.18 Jan 2017
What is furnace manufacturing?
Background. A furnace is a device that produces heat. Not only are furnaces used in the home for warmth, they are used in industry for a variety of purposes such as making steel and heat treating of materials to change their molecular structure.
What were the furnaces made of?
The furnaces were built of clay and Sun-dried bricks.