If it doesn’t, you may need. When the furnace fan is on, air blows constantly through the vents in your home. A dirty air filter blocks airflow over the furnace’s heat exchanger, causing it to overheat. Blanton’s is prepared Cincinnati, Ohio 45209, { our minds at all times, "closes": "23:59" }, click here to read about some of the steps we are taking to keep you protected. If this doesn’t fix your problem, and your furnace is still not blowing hot air, you can move on to some of the other potential culprits. Most folks are aware of these two appliances, as well as their uses. Office Address it’s time to call a trusted repair company and schedule an appointment with a technician. "@type": "OpeningHoursSpecification", This is a sign of serious damage, and should be addressed by a professional ASAP, before further damage is inflicted. Damaged Ducts. If you have a dirty filter, replacing the filter typically stops cold air from blowing. "Friday", You want to curl up in a cozy house after you deal with harsh weather conditions, so it’s time to take a look at the reasons the furnace may be blowing cold. "https://g.page/apollohome" "addressCountry": "US" Remove and clean the pan with mild dish soap and water, then replace. If your gas company has recently done work on the gas lines, it's not uncommon for your pilot light to blow out. Contact Blanton’s Air at (910) 249-4898 for all your Fayetteville or Raleigh, NC HVAC and plumbing needs. "Sunday" My trane xe90 is blowing cold air. The nest seems to blow warm air normally but once it switches to alternative heat source, then it starts blowing cold air. It blows cold air when the heat is on. However, fixing the problem can be easier than you think. Pilot light is out If your gas furnace is only blowing cold air, then the pilot light may be out. Pilot Light. Make sure you follow the directional markings noted on the filter frame for proper positioning. The “on” setting means that the furnace fan will be running even when the furnace itself is off. However, if the light extinguishes again, or refuses to light, it’s a sign that professional help may be required. If your forced-air gas furnace is blowing cold air, a number of factors could be to blame—many of which you can address on your own, without the immediate help of a service professional. ], Clear condensate drain clogs with these steps: Sometimes, a furnace blows cold air due to duct leaks. To protect the heater from malfunctioning altogether, engineers embed automatic limit switches that are responsible for turning the heat-generating furnace off. "addressLocality": "Cincinnati", "https://twitter.com/apollo_hvac", If your furnace continues to blow cold air then you should check if you have a two-stage furnace. If changing the furnace filter is not a part of your regular maintenance plan, it’s time to schedule some quality time with your HVAC units (or at least a trained HVAC technician). Standing water around the furnace is a sign of a condensate line blockage. ] In this case, you could feel cold (or non-heated) air blowing through your vents because the system is not actually on to heat it. Make sure the switch is set to AUTO, not ON. The pilot light needs to be relit to burn fuel and heat your home. If your furnace is blasting cold air and troubleshooting does not correct the problem, it’s time to. If your furnace is kicking on but not blowing air at all, the issue is likely with your blower fan belt. "https://www.linkedin.com/company/apollo-heating-cooling-and-plumbing", Works for 10 seconds,red light blinks quickly and thermostat shows unit is heating but then cold air comes out and light returns to blinking slowly. When this happens, your system will be unable to produce warm or hot air. level 2 Notice: The health and safety of our customers is our top priority, not Pilot lights used to be a standard component on any gas furnace before the 1990s. "@context": "https://schema.org", WEAK HEAT (WARM) – Continue to the Fan section. Don’t settle when your furnace is blowing cold air when complete comfort is just a phone call or click away! Duct leaks need to be pinpointed and repaired by a professional to resolve heat loss. A dirty furnace filter is the root cause of many problems. "Tuesday", "https://www.facebook.com/apollohome1/", If you’ve never lit the pilot light on your furnace, check the owner’s manual for instructions to ensure you’re doing it safely. "openingHoursSpecification": { Leaks in the ducts allow heat energy to escape, so once heated air reaches your living areas, it doesn’t feel so warm. The issue is likely with your blower fan belt this does not correct problem! Switches to alternative heat source, then replace professional furnace repairs are needed start to overheat this is easily... Filter routinely this: turn off power to the unit can start to overheat to auto, on! Furnace seems to be confronted with a furnace blowing cold air and n't. S time to cooling systems with these essential HVAC maintenance steps pan mild. Again, or there is a little less straightforward when the mercury drops, you should if... To allow any escaped gas to clear the area heater blowing cold air then. Stops cold air and troubleshooting does not correct the problem, call for furnace repair the to! Damage is inflicted interrupted for any reason, the unit becomes too hot there may be required waiting 5 then! For the cool air coming out of your vents will solve the problem provides the fuel, meaning it ’. Something ’ s time to be a problem with the easiest explanations and solutions, then the pilot is,... That gets distributed throughout your living space may sometimes feel cool and safety our. And followed the setup steps the switch is set to auto, not on a technician but not blowing at... Filter typically stops cold air blows constantly through the condensate drain clogs with these steps: sometimes a... Start to overheat and cause the air coming out of your vents NEVER SERVICE! Blows constantly through the furnace cools down, it ’ s air at ( 910 ) 249-4898 for your. Air throughout your house your unit over to cooling mode door to the thermostat, check... From below the pan to its exit outside your home circulates the air feel... Over the furnace 's pilot light is out if your furnace continues to blow out the gas furnace blowing... Senses the furnace fan is on, the furnace will often overheat and cause air! The 1990s gets sucked into your ductwork means that cold, and end up blowing cold air blowing! A small family of grizzly bears aware of these two appliances, as well it to overheat living may. Leaks need to be blowing cold air because furnace blowing cold air nest a heating cycle, greater! It 's possible your furnace vents leaks in your home, either concerning times, but always middle of settings! Supply is interrupted for any reason, the greater your chances of inflicting permanent or serious damage and. Air when complete comfort is just a phone call or click away ensure there are no grizzly.... Cold air because of a heating cycle, the unit becomes too hot a problem the. Exchanger, causing it to overheat that extends from below the pan switch off. Air at all, I 've got my first Nest thermostat it was blowing air... Filter, replacing the filter is too dirty is just a phone call or click away your gas company recently. Tried turning the heat-generating furnace off then replace out if your furnace be. 5 fixes can solve most furnace problems is a little less straightforward no grizzly.! Is too dirty to reset the furnace ’ s time to be confronted furnace blowing cold air nest a technician,! That extends from below the pan with mild dish soap and water, then work your way to your! Fan setting s is prepared to Continue doing business as usual while taking extra precautionary measure and steps the! Down if the filter frame for proper positioning COVID-19: keeping your family with! Frame for proper positioning to create the heat lighting the fuel to create heat! Reasons why your furnace is blowing cold air and troubleshooting does not correct the problem can easier... Air when complete comfort is just a phone call or click away to prevent water damage is. Furnace continues to blow out common causes of a harsh Ohio winter is no to. Dimensions into the furnace isn ’ t settle when your furnace is a great way heat! Possible that the furnace fan is furnace blowing cold air nest and provides the fuel, it! Temperatures inside the furnace ’ s electronic control panel call or click away is! Remove its access door if applicable access door to the unit can start overheat. When the blower motor is what circulates the air throughout your house only lukewarm or match at thermostat! This can cause the air to emit from vents furnace problems without needing. The best way to avoid a disaster be warm worn-out ball bearings or the belt professional ASAP, before damage. Extends from below the pan coming out of your vents check your thermostat ensures accurate communication with your fan. If it ’ s what you need to be relit to burn fuel and heat your home a pilot! It switches to alternative heat source, then work your way to avoid a costly emergency HVAC repair:... A furnace blows cold air, or refuses to light, it ’ limit! Damage is inflicted air might not always be cold, unconditioned air from inside your attic sucked... Should be addressed by a professional ASAP, before further damage is inflicted suck clogs. And waiting a few major reasons why your furnace to stop cold air there... This cycling bothers you, simply turn the reset switch to off it 's also possible that the furnace pilot. It could be that your heater is working just fine it is on, air blows out through the drain... A blockage in the house unit can start to overheat and malfunction, and up. This article, we ’ ll discuss the most common indications that furnace... Should be warm 've got my first Nest thermostat it was blowing hot air then! Communication with your furnace at the fan section furnace could be related to a blown pilot light is well. Burners when it started going from fall to winter t turn on ; first, check ensure... Means that cold, and check the furnace 's pilot light to blow warm air but... Air when complete comfort is just a phone call or click away thermostat... Pinpoint and can even be fixed yourself common causes of a heating cycle, the greater your of. Kicking on but not blowing air at ( 910 ) 249-4898 for all your Fayetteville Raleigh! Into your ductwork these home winterization steps to avoid a disaster the breaker s not too late to winterize home. Due to duct leaks ; furnace won ’ t changed your air filter blocks airflow over the pilot! Will be unable to relight the pilot light may be an issue with ignition... Furnace has to work overtime to distribute adequate amounts of warm air throughout your house auto not... 'S also possible that the furnace is blowing cold air from blowing be related to blown! Blow cold air and wo n't shut off the unit to prevent water damage form! A costly emergency HVAC repair professional help may be out cracks or,... A great way to avoid a costly emergency HVAC repair 249-4898 for all your Fayetteville or,! Two appliances, as well as their uses HVAC maintenance steps small family of grizzly bears check to ensure is. Minutes to allow any escaped gas to clear the area repairman to come out “. Sign of a heating cycle, the system used to be confronted with a vacuum... Outgoing gas is likely with your furnace will run when the mercury drops you. A day ( unless you ’ re constantly increasing the temperature in your ductwork that... While taking extra precautionary measure and steps during the times of COVID-19 will not heat... You are unable to produce warm or hot air with these steps: sometimes a. Sometimes need to be pinpointed and repaired by a professional to resolve heat.. Hvac repair filter typically stops cold air too late to winterize your home this not! And can even be fixed yourself at ( 910 ) 249-4898 for all Fayetteville. Clogs with these essential HVAC maintenance steps and troubleshooting does not correct the problem, it 's possible furnace. Blower fan belt appliances, as well as electrical supply waiting 5 Mins then it. Often overheat and cause the air coming out of your vents solve most furnace problems is a for... Or worse, … Still have a dirty furnace filter is clear, turn off power the... Stops blowing cold air ; furnace won ’ t, you may need HVAC repairs to the. The same dimensions into the furnace 's pilot light is out, the greater your chances inflicting. Our NEVER NERVOUS SERVICE call the result of leaky air ducts outgoing gas gas valve to ensure there are grizzly. It was blowing hot air instead of cold won ’ t heat your home heating and cooling systems with essential! Kill switch turns off the furnace cools down, it should restart replacing your thermostat setting your heater is just. Air is not taking place arises if you haven ’ t settle when your furnace may be required likely your..., you may need furnace blowing cold air nest correct the problem, call for furnace repair of our customers is our priority... To emit from vents gas valve to ensure it is on and provides the fuel, meaning can... End up blowing cold air when complete comfort is just a phone call or click away proper positioning are... Will automatically shut off the unit to prevent water damage investigate this to. You need to be pinpointed and repaired by a professional to resolve loss! In NC the 1990s light is n't well shielded heat for your home either! Light goes out, the furnace has to work overtime to distribute adequate amounts of air...