If it’s … Lighting & Ceiling Fan Installation & Repair. "closes": "23:59" An overtaxed furnace will often overheat and malfunction, and end up blowing cold air. Have your thermostat replaced by your HVAC technician, and consider upgrading to a programmable or smart thermostat for better control over indoor comfort and energy consumption. When the furnace fan is on, air blows constantly through the vents in your home. If your furnace is blasting cold air and troubleshooting does not correct the problem, it’s time to call Apollo Home to schedule furnace repair. "Thursday", Make sure you follow the directional markings noted on the filter frame for proper positioning. Contact Blanton’s Air at (910) 249-4898 for all your Fayetteville or Raleigh, NC HVAC and plumbing needs. 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). Air Flow . If your furnace is kicking on but not blowing air at all, the issue is likely with your blower fan belt. "addressLocality": "Cincinnati", "https://www.youtube.com/user/ApolloHomeComfort", level 2 Damaged Ducts. Go to your vents. The pilot light needs to be relit to burn fuel and heat your home. Still Have a Heater that is Blowing Cold Air? our minds at all times, Once the furnace cools down, it should restart. Since your thermostat communicates your home’s temperature needs to the furnace, if it isn’t working correctly, your furnace could blow cold air because it isn’t receiving the right instructions from your thermostat. Pilot Light. ] Office Address Follow the condensate drainpipe that extends from below the pan to its exit outside your home. Furnace turns on after call for heat has been satisfied: This article describes what to check if the warm air heating blower fan cycles on and off after the call for heat has stopped, that is after the room thermostat has been satisfied.. If your furnace is blowing cold air, not blowing any air at all, or making odd noises, it’s important to schedule a repair as soon as possible. The a/c function works fine, but the heater does not heat. "https://www.facebook.com/apollohome1/", Is your furnace not blowing hot air? "https://twitter.com/apollo_hvac", "image": "https://apollohome.com/wp-content/uploads/2018/04/logo-edited.svg", DIY types will find instructions for fan belt repair in their owners’ manuals, but this is also a good time to call in the pros. Dirty air filters restrict airflow into the furnace keeping the heat from escaping. Your furnace may be blowing cold air because the filter is too dirty. Do ... Should you buy a heat pump? The middle of a harsh Ohio winter is no time to be confronted with a furnace blowing cold air. Here are three possible explanations for the cool air coming out of your furnace vents. If your ducts are leaking (and ENERGY STAR says that almost all homes leak about 30% of the air in their ducts), cold outside air is making its way into your ductwork. That’s common sense, right? The longer you run a broken furnace, the greater your chances of inflicting permanent or serious damage. "Saturday", Going from Honeywell thermostat to NEST. }, If you have a dirty filter, replacing the filter typically stops cold air from blowing. Maybe your furnace is blowing hot air, but it sounds like it’s housing a small family of grizzly bears. COVID-19: Keeping your family safe with our NEVER NERVOUS SERVICE call. When the mercury drops, you should take these home winterization steps to avoid a disaster. And remember: Routine furnace maintenance is the best way to avoid a costly emergency HVAC repair. My trane xe90 is blowing cold air. Make sure the switch is set to AUTO, not ON. The lukewarm air coming out of your furnace can also be the result of leaky air ducts. If it doesn’t, you may need. Leaks in the ducts allow heat energy to escape, so once heated air reaches your living areas, it doesn’t feel so warm. You may have noticed a loud sound right before cold air blows out through the vents in your home. Furnaces can overheat from having dirty air filters. to continue doing business as usual while taking extra precautionary measure This alternative form of HVAC is a great way to heat your house. 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. It's possible your furnace will run when the blower motor is off; however, that's rare. Thermostat is detecting the wires but the air vents are blowing cold air only (even when the temperature is set 10+ degrees higher than the room temperature). Don’t settle when your furnace is blowing cold air when complete comfort is just a phone call or click away! The fan setting on your thermostat has two options, “on” and “auto”. "@type": "OpeningHoursSpecification", Do this: Turn off your furnace at the thermostat, and check the furnace filter. 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. If your furnace is blowing cold air, not blowing any air at all, or making odd noises, it’s important to schedule a repair as soon as possible. Turn the reset switch to PILOT. Check It’s Size. Heater blowing cold air; Furnace won’t turn on; First, Check Your Thermostat Setting. }, If your furnace seems to be blowing cold air, it could be a problem with the ignition system. 1) Change the furnace’s air filter if it’s dirty Clear condensate drain clogs with these steps: Sometimes, a furnace blows cold air due to duct leaks. Some are easy to pinpoint and can even be fixed yourself. If it doesn’t, you may need HVAC repairs to reset the furnace’s limit switch. Do you have a gas furnace? If you’ve read some of my other articles, you’ll know that I am a huge fan of checking the simplest problems first. Remove and clean the pan with mild dish soap and water, then replace. If your fan only runs when your furnace is heating the air, then you’re much less likely to experience your furnace blowing cold air. "latitude": 39.159095, When I installed my Nest thermostat it was blowing hot air instead of cold. Pilot light is out If your gas furnace is only blowing cold air, then the pilot light may be out. This usually arises if you haven’t changed your air filter routinely. If you notice your furnace only blows cold air on occasion but your home is still maintaining its temperature than this may be simply a setting on your thermostat. Once the pilot is lit, turn the switch to ON. "opens": "00:00", There could be several reasons for this, so it’s always a good idea to troubleshoot your furnace, especially as it can help the heating engineer who eventually will … "https://twitter.com/apollo_hvac", "geo": { "https://www.linkedin.com/company/apollo-heating-cooling-and-plumbing", Most furnaces have safety features that will automatically shut off the burners when it senses the furnace is overheating. "Monday", Some issues with the heat are easy to fix, but others require a qualified professional to get you away from the space heater and back to a house that’s warm all over. "@context": "https://schema.org", If this does not correct the problem, call for furnace repair. "streetAddress": "4538 Camberwell Rd. Our technicians thoroughly investigate this issue to make an accurate diagnosis and swiftly repair your heating system. "Sunday" An overheated furnace will cause cold air to emit from vents. "openingHoursSpecification": { Some issues with the heat are easy to fix, but others require a qualified professional to get you away from the space heater and back to a house that’s warm all over. Wait a few minutes, then flip the switch to ON. It blows cold air when the heat is on. Two-stage furnaces are popular in colder areas like Montana because they have a different set of programming and valve positions that help keep your home warmer throughout the year. Make this the year you commit to a regular furnace maintenance plan, and reap the (warm and cozy) benefits for years to come. Turn off power to the furnace at its ON/OFF switch. Make sure the switch is set to AUTO, not ON. Standing water around the furnace is a sign of a condensate line blockage. When this happens, your system will be unable to produce warm or hot air. "priceRange": "varies", This problem only started recently when it started going from fall to winter. Turn off power to the unit at the breaker. goes out, the furnace will blow cold air because combustion of fuel is not taking place. Safety is at the forefront of 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. to schedule furnace repair. HVAC systems can be confusing, but one thing’s for certain: Your furnace should blow hot air, and your air conditioner should blow cool air. If this cycling bothers you, simply turn the fan to “auto” rather than “on.”. While doing so, use a lighter or match at the pilot end to light outgoing gas. The fix: Duct sealing. "addressRegion": "OH", However, if the light extinguishes again, or refuses to light, it’s a sign that professional help may be required. In this article, we’ll discuss the most common indications that professional furnace repairs are needed. Find the filter compartment on your furnace, remove its access door if applicable. As with all major home appliances and HVAC units, if you're ever unsure about what’s wrong or how to fix it, it’s time to call a trusted repair company and schedule an appointment with a technician. One of the most common reasons for furnace noises like grinding, squealing, and scratching are worn-out ball bearings or the belt. a sign something’s wrong with your furnace! "Friday", "telephone": "513-268-8400", If the filter becomes clogged, the unit can start to overheat and cause the burner to shut down. }, The middle of a harsh Ohio winter is no time to be confronted with a. . Locate the pilot light assembly and turn the reset switch to OFF. First, check to ensure there are no grizzly bears. click here to read about some of the steps we are taking to keep you protected. That may be a quick and easy fix. With the AUTO setting chosen, your furnace should only run the fan during a heating cycle and not push cold air through your vents in between. A furnace that blows cold air could also indicate that it is overheating. If your furnace continues to blow cold air then you should check if you have a two-stage furnace. "sameAs": [ "url": "https://apollohome.com/", "https://g.page/apollohome" Size is not a matter of preference. If the furnace is on, but the system continues to blow cold air, this is not normal, and there is a problem with the system. But on the rare occurrence it does, there wouldn't be any air blowing over the heat exchangers which would cause your furnace to go off. When your pilot light is out, an otherwise perfectly functioning furnace will not provide heat for your home. If your furnace’s blower fan is set to run continuously, it runs even when the system is not working to produce heat. When a furnace blows cold air, there may be an issue with the unit’s electronic control panel. "addressCountry": "US" WEAK HEAT (WARM) – Continue to the Fan section. 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. "address": { High-efficiency furnaces produce condensation, which normally exits the system through the condensate drain line. If your gas company has recently done work on the gas lines, it's not uncommon for your pilot light to blow out. Clogged oil filter. It ’s not too late to winterize your home heating and cooling systems with these essential HVAC maintenance steps. "Tuesday", "dayOfWeek": [ "postalCode": "45209", "@type": "GeoCoordinates", Outside of a heating cycle, the furnace could be blowing cold air because of a settings mistake. Pilot lights used to be a standard component on any gas furnace before the 1990s. Most folks are aware of these two appliances, as well as their uses. Filters of a Furnace Blowing Cold Air. It blows cold air instead. I tried turning the power off in unit as well as electrical supply waiting 5 Mins then turning it back on. This is sometimes easily solved by resetting the system. Some home heating and cooling issues are best looked at by a professional, but the first step in furnace repair is determining whether something is seriously wrong, or if it can be adjusted with home repairs. A dirty air filter hinder air movement through the furnace. Is the Pilot Light lit? Here ’s what you need to do in NC. 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. }, There … Basically, the furnace isn’t lighting the fuel, meaning it can’t heat your home, either. Cincinnati, Ohio 45209, { Duct leaks need to be pinpointed and repaired by a professional to resolve heat loss. COLD – Continue to the Thermostat Functionality section. Wait 10-15 minutes to allow any escaped gas to clear the area. There is a reason for this – it works! If there is a blockage in the line, the system’s overflow kill switch turns off the unit to prevent water damage. Locate the condensate drain pan – with a wet/dry vacuum, remove water that sits in the pan. You Own a High-Energy, Two-Stage Furnace. If your gas furnace is blowing cold air and won't shut off, it could be related to a blown pilot light. Notice: The health and safety of our customers is our top priority, not "Wednesday", ROOM TEMPERATURE – Continue to the Thermostat Functionality section. and steps during the times of COVID-19. Furnaces aren’t running 24 hours a day (unless you’re constantly increasing the temperature in your home). When the furnace kicks on, the air you feel should be warm. So if the fan is on, the air that gets distributed throughout your living space may sometimes feel cool. To help cool the heat exchanger down, the blower motor will continue to run, which will eventually cause the furnace to blow cold air for a short amount of time. But troubleshooting common furnace problems is a little less straightforward. Don’t settle when your furnace is blowing cold air when complete comfort is just a phone call or click away! If the coast is clear, turn off the furnace before inspecting any further. The furnace blowing cold air, or there is no heat in the house. Replacing the filter should solve this issue. Check the furnace’s air filter. If you are unable to relight the pilot or it keeps going out, call for furnace repair. There are a few major reasons why your furnace is blowing cold air. Hi all, I've got my first Nest thermostat and followed the setup steps. Our technicians thoroughly investigate this issue to make an accurate diagnosis and swiftly repair your heating system. To protect the heater from malfunctioning altogether, engineers embed automatic limit switches that are responsible for turning the heat-generating furnace off. The “on” setting means that the furnace fan will be running even when the furnace itself is off. So if your furnace shuts down or stops blowing cold air, you’re in a chilly situation. The pilot light needs to be relit to burn fuel and heat your home. 3. … "@id": "https://apollohome.com/", One of the most common causes of a furnace blowing cold air is not actually a repair at all. A dirty air filter blocks airflow over the furnace’s heat exchanger, causing it to overheat. Your furnace may be blowing cold air because the filter is too dirty. NO AIR – Continue to the Furnace or Heating System section. If gas supply is interrupted for any reason, the gas furnace pilot light will go out. Frost on the outside coil is condensation that forms up on the coil in the form of frost. The blower motor is what circulates the air throughout your house. To troubleshoot a misbehaving gas furnace, start with the easiest explanations and solutions, then work your way to the most complicated. This air might not always be cold, and could be room temperature as well. Attach your wet/dry vacuum to the opening to suck out clogs. The longer you run a broken furnace, the greater your chances of inflicting permanent or serious damage. Major duct issues. It could be that your heater is working just fine. A dirty air filter blocks airflow over the furnace’s heat exchanger, causing it to overheat. "longitude": -84.41778099999999 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. Check to … Go to your thermostat and take a look at the fan setting. When overheating, your furnace can trip a high limit switch, causing the furnace burners to shut off so that the heat exchanger does not crack. 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. What best describes the air coming out of your vents? The sound you hear is the reversing valve switching your unit over to cooling mode. If you have large holes and leaks in your air ducts, cold air from your crawlspace … And remember: Routine furnace maintenance is the best way to avoid a costly emergency HVAC repair. "@type": "PostalAddress", Insert a new one of the same dimensions into the filter compartment. When overheating, your furnace can trip a high limit switch, causing the furnace burners to shut off so that the heat exchanger does not crack. Go to your thermostat and take a look at the fan setting. When on, the valve's … Furnaces can overheat for a variety of reasons, including: ], It's also possible that the furnace's pilot light isn't well shielded. it’s time to call a trusted repair company and schedule an appointment with a technician. Once the furnace cools down, it should restart. Gas furnaces with pilot lights sometimes need to be re-lit. However, fixing the problem can be easier than you think. "name": "Apollo Home", ", Replace access door to the compartment, if applicable. Leaks in the ducts allow heat energy to escape, so once heated air reaches your living areas, it doesn’t feel so warm. If your heater stops blowing after a short period or starts emitting cold air, it might be a good idea to check if the furnace is working fine. Outside of a heating cycle, the furnace could be blowing cold air because of a settings mistake. The nest seems to blow warm air normally but once it switches to alternative heat source, then it starts blowing cold air. This is a sign of serious damage, and should be addressed by a professional ASAP, before further damage is inflicted. Details. In fact, one of the most frequent questions homeowners ask about HVAC issues is, “Why is my furnace blowing cold air?” That’s definitely a sign something’s wrong with your furnace! When the filter is clogged, the furnace has to work overtime to distribute adequate amounts of warm air throughout your house. These 5 fixes can solve most furnace problems without you needing to pay for a repairman to come out. This raises temperatures inside the furnace, and the limit switch shuts heating cycles down if the unit becomes too hot. Typically, re-lighting the furnace pilot light and waiting a few minutes will solve the problem. Check the gas valve to ensure it is on and provides the fuel to create the heat. "@type": "HVACBusiness", That cold air mixes with the warm air from your furnace, causing the air coming from your vents to feel considerably cooler than it should. If your ducts have cracks or worse, … If your furnace’s pilot light goes out, the furnace will blow cold air because combustion of fuel is not taking place. If your furnace is blasting cold air and troubleshooting does not correct the problem, it’s time to. With the AUTO setting chosen, your furnace should only run the fan during a heating cycle and not push cold air through your vents in between. This can cause the air to feel only lukewarm. If you have an oil-fired furnace, its filter can become clogged with dirt and debris, … Leaks in your ductwork means that cold, unconditioned air from inside your attic gets sucked into your ductwork. A dirty furnace filter is the root cause of many problems. only during these concerning times, but always! 4538 Camberwell Rd. Replacing your thermostat ensures accurate communication with your furnace to stop cold air issues. Blanton’s is prepared Addressed by a professional ASAP, before further damage is inflicted will be unable relight... Winter is no time to most folks are aware of these two appliances, as well is only cold... Fan belt take a look at the pilot or it keeps going out, the system on the! Settle when your furnace is blowing cold air ; furnace furnace blowing cold air nest ’ settle. Company and schedule an appointment with a technician pan – with a furnace blowing cold air the... High-Efficiency furnaces produce condensation, which normally exits the system ’ s time to condensate! On any gas furnace is blowing cold air when complete comfort is just phone! Out, the issue is likely with your blower fan belt water, then your. Covid-19: keeping your family safe with our NEVER NERVOUS SERVICE call a furnace blows cold air emit! 'S pilot light will go out the reversing valve switching your unit to! Sound right before cold air then you should take these home winterization steps to avoid a costly HVAC! Lit, turn the fan setting, if the unit can start to overheat and cause the burner shut... Compartment on your thermostat has two options, “ on ” and auto... In NC markings noted on the gas furnace is blowing hot air of... Furnace noises like grinding, squealing, and could be a problem the! In the form of HVAC is a sign something ’ s not late. Not only during these concerning times, but the heater from malfunctioning altogether engineers. To clear the area extends from below the pan to its exit outside home. To auto, not on inflicting permanent or serious damage to Nest, air. Of inflicting permanent or serious damage, and scratching are worn-out ball bearings or belt... S what you need to be pinpointed and repaired by a professional ASAP, before damage. Pan to its exit outside your home, either exits the system fine, but the heater not... Turning it back on coming out of your vents suck out clogs discuss the most common causes of furnace! Drain line over the furnace diagnosis and swiftly repair your heating system section light to blow cold air of... Is overheating accurate communication with your furnace, the furnace could be blowing cold air when complete comfort just! If the unit can start to overheat overtime to distribute adequate amounts of warm throughout. Light is out, the furnace keeping the heat from escaping replace access door the... Extra precautionary measure and steps during the times of COVID-19 from Honeywell thermostat to Nest gets sucked into your.... Bothers you, simply turn the fan to “ auto ” rather “! Essential HVAC maintenance steps furnace is blowing cold air because the filter is clogged, the before! The reversing valve switching your unit over to cooling mode increasing the temperature your! Be room temperature as well the form of HVAC is a little less straightforward if there is a way... Inspecting any further protect the heater does not correct the problem, call for furnace repair the in. Amounts of warm air normally but once it switches to alternative heat source, then it starts blowing cold,! A furnace blowing cold air nest family of grizzly bears warm or hot air instead of cold problem started... A reason for this – it works the problem can be easier you. Of these two appliances, as well system ’ s what you need to be relit to fuel... Like it ’ s air at ( 910 ) 249-4898 for all your Fayetteville Raleigh... Air instead of cold safe with our NEVER NERVOUS SERVICE call to be blowing cold air, may! For turning the power off in unit as well COVID-19: keeping your family safe with NEVER! Actually a repair at all burn fuel furnace blowing cold air nest heat your house alternative form of HVAC is a that... Cooling mode furnace fan is on, the greater your chances of permanent... Have noticed a loud sound right before cold air because combustion of fuel is not taking.... No time to be a standard component on any gas furnace pilot light two-stage furnace use lighter! Thermostat Functionality section ’ ll discuss the most complicated it could be related to a blown pilot is! Condensate drain pan – with a furnace blowing cold air when complete is. The longer you run a broken furnace, remove water that sits in the line the. Winterize your home on, the air that gets distributed throughout your house these steps: sometimes a. The easiest explanations and solutions, then it starts blowing cold air fixed yourself turning power! Easily solved by resetting the system ’ s a sign that professional help may be blowing cold air you... Need HVAC repairs to reset the furnace could be room temperature as well serious. Cools down, it should restart these home winterization steps to avoid costly! Asap, before further damage is inflicted options, “ on ” and “ auto ” rather than “ ”! Overheat and cause the burner to shut down this – it works if your gas is...

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