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Cleveland HVAC Blog

Learn How Forced-Air Furnaces Offer Comfortable Home Heating

Posted by Paul Wadsworth on Wed, Aug 28, 2013 @ 02:26 PM

A forced-air furnace is one of the more common types of heating systems used in households across America. These systems usually burn natural gas or use electricity to create heat, which is then "forced" from the furnace and into your home.

The main components of a forced-air furnace system are:

  • Thermostat - Controls the furnace's operation and allows you to set the temperatures you want for your indoor living spaces.
  • Furnace - The main unit where air is heated. The furnace contains flame-producing burners or electric coils that create heat.
  • Blower - Sometimes called the air handler, this is the fan that forces air out of the furnace unit, through the supply ductwork and into your home.
  • Supply ductwork - The network of large metal pipes that serve as the air distribution channel for the warm air coming from your furnace.
  • Return ductwork - Sometimes called duct returns or cold-air ducts, these pipes bring cooled air back to your furnace to be reused.

A heating cycle begins when you set the temperature you want at the thermostat. When the temperature in your home falls below that level, the thermostat senses the change and switches on the furnace. Fuel-based flames or electric heating coils activate and produce heat.

As heat is generated, it's transferred to a component called a heat exchanger. The blower then sends air across the heat exchanger. The air absorbs heat and is warmed to a sufficient temperature for home comfort. The warmed air continues into the supply ductwork and exits at registers and vents throughout your home.

After the heat is expended, air is brought back to the furnace through the return ductwork. There, it is filtered, reheated and recirculated. This continues until the thermostat senses that temperatures have increased to the level you selected. The furnace shuts off until temperatures drop, and the heating cycle starts again.

In Greater Cleveland and northern Ohio, P.K. Wadsworth Heating & Cooling is the source customers turn to when they need expert HVAC service. Contact us today for more information about the benefits of a forced-air furnace and to see a full line of furnaces that can heat your home for many seasons to come.

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Paul WadsworthPaul Wadsworth is the President and Owner of P.K. Wadsworth Heating and Cooling. For 37 years, Paul has been providing heating and cooling services to the Greater Cleveland area. P.K. Wadsworth has been a trusted Cleveland HVAC service company for over 75 years. The company understand the area's construction and local heating and air conditioning needs. Paul has an MBA from the University of Michigan and a B.S., Industrial Engineering from Purdue University. Paul is the Chairman of COSE's Energy Advisory Council. He's been President of the Cleveland Air Conditioning Contractors of America and a founding member of the local chapter. Paul was born and raised in Cleveland and has been active in the local community. He resides in Cleveland, Ohio with his wife and two sons.

The opinions and statements contained in this article are for general informational purposes only and are not instructions. Only trained, licensed and experienced personnel should attempt installation/repair. The author assumes no liability for the opinions/statements made in this article. Any individual attempting a repair or installation based on this article does so at their own risk of loss.

Topics: thermostat, ductwork, Forced-Air Furnace, heating system, furnace

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