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I have a gas furnace. It was heating up the place fine and worked for years until the other day.

All of a sudden it started drawing air that smelled like strong gas odors into the room rather than heat.

Is this repairable? Is it something I can fix myself?

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This is quite possibly an emergency. Call your gas utility company and have them come check it out immediately. Also, open some windows to draw fresh air into your home, if you have a gas or exhaust leak it can be a fire and suffocation hazard.

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Curses, I can only add one up vote. – Bob Roberts Mar 7 '11 at 16:26
More than a fire hazard, it can be an explosive hazard! – msemack Mar 7 '11 at 16:42

Firstly, don't continue to attempt to use the furnace until the problem is resolved.

You may have a clog in the air intake or exhaust, or a gas leak, or a problem with the pilot light or ignition system. I don't know much about furnaces, just mentioning these off the top of my head.

When it comes to explosive gas, calling in a professional to find the problem and perform the repair is a really good idea.

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