Why Is My Furnace Blowing Chilly Air?

When the temperature exterior is hovering within the 30s or beneath, the very last thing query you wish to need to ask is “Why is my furnace blowing cool air?” The reply to that query might be a number of issues, so checking these areas may make it easier to clear up the issue and get heat air pumping again into your house.

No Warmth? Strive these Steps First

Having a damaged furnace within the winter could be chilly, harmful and scary. It’s undoubtedly one thing that you really want repaired immediately. We’ve got a compiled an inventory of some issues that you could take a look at by yourself first, earlier than calling a furnace firm.

The Thermostat: Should you stroll by a vent and it’s blowing chilly air, it might be so simple as you could have your thermostat set to “on” somewhat than “auto”.  When it’s set to on, the fan will constantly blow even when the furnace just isn’t heating the air and this causes the air to appear cool.  Set it to auto and whether it is nonetheless blowing out cool air when the furnace is operating, it’s doubtless there’s something improper.

The Filter: Every time you’re troubleshooting your furnace, all the time test and alter the filters. An outdated filter can block the movement of air and reduce the heating potential of your furnace fan because it blows by a grimy filter. In some fashions, a clogged filter could cause your furnace burner to close down so it doesn’t overheat, inflicting a still-running fan to blow cool air.

The Ductwork: Broken ductwork causes chilly air to get into your duct system. Damaged or peeling duct tape, damaged mastic, or unscrewed ductwork might break or turn out to be broken on the seams, inflicting them to leak and turn out to be inefficient. Even when your furnace is blowing scorching air into the ductwork, by the point it reaches the registers, it might solely be blowing cool air. These issues must be checked and stuck by an expert to have your heating system working correctly.

Home windows will not be sealed: Do you know that 10% of the cash you spend to warmth your home is misplaced by home windows? Heat air seeps out within the sneakiest of locations. Stroll round to every window in your house and test for any drafts or bursts of chilly air that you simply really feel coming by. Should you discover any air leaks, you’ll wish to seal up these home windows with caulking. Should you’re having a tough time telling the place the draft is coming from, seize a lit candle and stroll round your home–wherever the flame glints, you most likely have a draft!

Vents are blocked: Each summer season, furnishings is moved round to accommodate air con or simply for a change of surroundings. Ensure that your furnishings or carpets aren’t blocking your air vents, to stop heat air from circulating by your house. Not solely will blocked vents preserve your home chilly, however can also be a fireplace hazard.

Fuel Valve is Shut Off: Whereas the percentages are slim, it’s all the time a chance that your house’s gasoline valve has been shut off. In that case, the furnace won’t function as a result of it’s not receiving gasoline. You’ll want to test your house’s gasoline valve, and resolve the problem rapidly by merely turning the gasoline again on!

In case your furnace remains to be blowing cool air after your troubleshooting, it’s time to name within the professionals. A.B. Could Firm is your supplier for HVAC companies in Kansas Metropolis and the encircling areas. Householders have trusted us with their heating methods since 1959. Name us at 913-370-4898 right now for assist together with your furnace.