The No Heat Troubleshooter

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This is the no heat troubleshooter for residential heating systems.  

 

To use this troubleshooter, find the statement below that best describes the problem you are having, or you heating system, click on the statement, you will be taken to another page, with instructions and other statements, keep following the links until you arrive at the cause and fix for your problem.   

 

The difference between a boiler and a furnace is, from a plumbers point of view, any system that uses water or steam to deliver heat to a home is called a boiler.
Any system that blows warm air to heat a home is a furnace.
With one exception, a hydro air system has a hot water boiler that heats a coil inside an air handler, that blows warm air.

WARNING: USE THIS TROUBLESHOOTER AT YOUR OWN RISK, HEATING SYSTEMS ARE DANGEROUS, YOU CAN BE BURNED, YOU CAN BURN YOUR HOUSE DOWN, YOU CAN DIE FROM CARBON MONOXIDE. IT IS ALWAYS BEST TO HAVE A REAL LICENSED PLUMBER OR HVAC CONTRACTOR WORK ON YOUR HEATING SYSTEM.

I have an oil fired boiler.

I have an oil fired furnace.

I have a gas fired boiler.

I have a gas fired furnace.

If you could not find your answer here, please post your problem on the home heating section of the forum. I try to answer questions every day. thank you