Gas Furnace Category Index

Gas Furnace Category Index

Gas Furnace Category Index

How a Gas Furnace Works

How a Gas Furnace Works . Richard, Can you please explain to me in basic terms how a gas furnace works? I have a standing pilot gas furnace if that helps you better. This question is closely related to my article on the Gas Furnace Sequence of Operation. Each type of...

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Gas Furnace Facts

Gas Furnace Facts - Gas Furnaces are the most used types of heating appliance for our homes and businesses and modern gas furnaces range in efficiency ratings from 79% to 98%. Gas furnaces can either use propane or natural gas for fuel and this largely depends on...

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Flue Condensation Problems

Flue Condensation Problems - This picture shows a furnace flue with condensation problems. Flue condensation problems are caused by hot gases cooling too quickly in the flue. As the hot gasses, cool moisture in the gases condense and start dripping back down the flue....

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