The last thing anyone needs is for their furnace to start blowing cold air — especially in the winter. But what causes this problem, and how can you fix it?
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.
4don MSN
Here's how you can protect your furnace as the Pittsburgh area deals with extreme cold temperatures
The deep freeze hitting the Pittsburgh area can cause big problems for your furnace.
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