The Family Handyman on MSN26d
Why Is My Furnace Blowing Cold Air?
the air will move through any crack or hole in the furnace body or vent system. If your furnace is blowing cold air, check ...
this could also be an indication of a system problem or duct leakage." If you have a natural gas furnace, take time before winter arrives to check the area where the exhaust vent exits the home ...