If your gas furnace keeps cycling on and then turning off within a minute or so, it might be the result of a dirty flame sensor. Most gas furnaces have a small sensor designed to shut off the furnace ...
House Digest on MSN
If your furnace is blowing cold air, here's what it's trying to tell you
If your furnace is giving off cold vibes, even when you turn the heat up, it's a sign that there's a problem. It may be an easy fix or it could require a pro.
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