• Wednesday, January 20th, 2021

The reason the fan shuts off during this process is so the system doesn't pull the cold air from the outside across the coil while the hot refrigerant circulates. So why is cold air coming out of your vents? If cold air is seeping into your ductwork, it must blow out of the duct registers before the furnace’s warm air can—thus it feels like air-conditioned air is ventilated through your home despite the thermostat being set to heat at 72-degrees. If you turn on the heating system and notice that cold air is coming out through the vents, then this shouldnâ t be puzzling, especially if the system has been off for a while. Thanks again! Appreciate the professionalism and attention to detail. When the furnace is on, obviously the hot air is being pushed out any possible openings. The install went exactly as scheduled. LOOKING FOR GREAT PEOPLE! When this happens, your furnace will continue to blow air throughout your home, even when that air is not heated. NOW HIRING!! The colder the outside temperature gets the more air we have dropping from the vents. ", "Informative, helpful, personable, professional. Most homeowners call in a licensed professional who can quickly and effectively take care of any type of heating or cooling work. Also, see if the damper itself is bent or being blocked from closing completely. Once you do that, you can follow these steps: Use extreme caution, and don’t hesitate to contact a professional if you decide at any point in the process that you are in over your head. If your ducts aren’t properly sealed, cold Ohio air could be creeping in from outside and cooling down your home while making your furnace work harder than ever. All Rights Reserved. 2. Problems with your pilot … of Energy and a few other sites had similar R value requirements, so there must be some explanation. If there is an inadequate amount of gas making its way to your furnace, for example, it won’t have the energy required to heat up. Another cause of a malfunctioning condensate line is a broken condensate pump. Track the distance between this vent and your AC unit. Morrow, OH, 45152 If you turn on the heating system and notice that cold air is coming out through the vents, then this shouldn’t be puzzling, especially if the system has been off for a while. You will stop the cold drafty air in the winter and keep warm humid air from coming in during the summer months. Thankfully, this is an easy fix. © Copyright 2021 ABC Home & Commercial Services All Rights Reserved. And how frequently? The lifespan of a furnace can vary quite a bit, depending on how well it has been maintained. Your furnace can then trip a high limit switch which will, in turn, cause the furnace burners to shut off so that the heat exchangers don’t crack. BECOME PART OF OUR TEAM, This unpleasant surprise is common, unfortunately, and can make uncomfortably cold weather that much more difficult to handle. Use our flue cover to stop the outside air from coming in through the flue. We our in southern Ohio, but it has been below zero. Do you want to make sure your AC unit doesn't go out in the dog-days of summer? In the basement (which is finished), cold air is coming from the heat registers, quite noticeably, and when the furnace isn't running. The main floor is fine, but in the master bedroom on the second floor, there is cold air entering the room from the air return vent. The limit switch is responsible for telling your furnace’s fan when to start and stop blowing air. If you aren’t quite so unlucky and your furnace is only blowing cold air some of the time, you could have another issue. 2. As previously mentioned, proper furnace maintenance can make your system last longer. I have found that cold air is coming from one of my return vents when the unit is not running, but not from the other. Contact ABC to have a service specialist come out and make sure your AC unit is healthy enough to keep you cool. Favorite Answer If you have a basement, the cooler air will circulate through the vents when the fan is not running. Did changing your air filters slip your mind? A dirty air filter can block airflow over your furnace’s heat exchanger, which can cause it to overheat. I'd be suspicious that these duct sections are not properly taped together, and/or there is an opening in the tube that's allowing cold air to enter. License#: OH28860, Read our Reviews on Google Our professionals are highly trained and are able to work on every make and model of furnace. An under-powered unit simply will not have enough strength to push the cooled air into every corner of your home. If you are constantly relighting your pilot light, your system may have other problems. Have you noticed that your bill has skyrocketed? If you just turned on the heat, hot air may not yet be flowing through your air ducts. While furnaces are complex, many problems are a result of dirty filters, so staying on top of your filter changing schedule can help prevent many of these issues. If you have a high-efficiency furnace with water pooling around it, you could have a condensate blockage, which will cause the furnace to shut down. Dual Fuel Heat Pump Services in Morrow, OH. Whether you’re in urgent need of furnace repair, or you’re ready to replace your furnace, the licensed heating and cooling specialists at ABC can help. Check to see if your thermostat is set to ON or AUTO. Once you do that, your fan should only blow out air that is heated by your furnace. It makes the lower part of the room very cold negating some of … You should clean or replace your air filter every 30-60 days anyway for improved HVAC efficiency and better indoor air quality. Serving all your heating and cooling needs in Warren, Butler, Hamilton, Clermont, and Clinton County since 1986. It's not much, but noticeable. Villa's figures came from the U.S. Dept. Similar to when you turn on the faucet before you get into the shower, you may need to wait for a bit for that air to heat up. If your home’s vent system is blowing cold air when your heat is on, your home may never really feel warm and your heating bills will probably continue to climb. WITH 3 TO 5 YEARS OF EXPERIENCE. If this is your problem, you will need to bring in a licensed heating and cooling specialist to replace this component. When the AC filters are clogged with dirt, hair, dust, and other debris, the airflow through the vents in your home may be reduced, decreasing the efficiency of your air conditioning system. I was checking everywhere for draughts and thought ok well let's just check the vent to see how much is coming through.... Lots. WE ARE GROWING AT A cold-air return is a vent that sucks cold air into a furnace so that it can be heated and brought back to a room through a furnace register. How you’ll know this is your issue: Your furnace blows hot air but that … If you only feel your furnace blowing cold air briefly, and the air is quickly replaced by warm air, this is the most likely explanation. If it is set to ON, your fan will constantly blow out air, even when your furnace isn’t heating it. There are a few other problems you may run into, which, in addition to some of the issues mentioned already, will require the help of a professional. Re: Air Through Vents even while ac/heat off Nov 19 2012, 6:24pm When the HVAC is off, the outside air pushes its way through the vents, that's also why sometimes you will notice on the lower speeds, that the air moves quicker when you are driving 70 mph vs stopped. We have a vent in our living room bay window. Common blockages include dust, dirt, mold and, if there was recently a cold snap, ice. Several issues could be going on with your home’s heat. It’s only if after a few minutes and the system still continues blowing cold air that you should worry because then there is a … This switch prevents the furnace from turning on to prevent any water damage to the system. The way to avoid condensation is to keep the warm air away from the cold … When the weather turns especially cold—as has been the case this year in Sacramento and much of Northern California—we often get calls from customers reporting that their heat pump-powered heating systems are blowing cold air through the vents, no matter how high they turn the thermostat.

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