gas furnace blowing cold air and won't shut off

Over time, air ducts degrade and eventually end up blowing holes in them. Check to make sure that all of the wiring is attached to the receptacles on the back of your thermostat. Once you’ve restored the correct setting, your furnace should blow warm air. Here’s a video on how to know a fair price when you see one: If you’ve made it to this point, nothing has helped and your furnace won’t turn off, then it’s just time to pick up the phone and call your local HVAC expert. 11. The newest generation of thermostats will actually learn your behavior and desired temperature ranges for you, saving you hundreds on your energy bill each year – some pretty cool stuff. Copyright © 2018 Krankenwerks, Inc. All Rights Reserved. A representative from NextGen Air (BBB A+ rated) will be calling you shortly to confirm your appointment. This report will tell you exactly If your unit is blowing cold air, you’re in the right place. Do you have a high-efficiency furnace? By submitting this form, you consent to receive a call, email, or text from a One of the most common causes of a furnace blowing cold air is not actually a repair at all. Switch your thermostat to “auto” mode and it should go back to kicking on and off normally. If your furnace seems to be blowing cold air, it could be a problem with the ignition system. Look, if you’ve tried all of these steps, and you still can’t repair it, then it just might be time. Coolray is your Atlanta-area home comfort expert with specialists in heating, air conditioning, air quality and plumbing. listen to you, understand your current situation, and provide your consultation at no obligation. We've got you covered! A furnace that utilizes forced-hot-air is made of the plenum, the furnace blower, and the burner. Like a gas water furnace, the pilot of a gas furnace can shut off for several reasons. A probe inside the switch monitors the temperature of the burner assembly to turn the fan on once the burners are hot and turns the fan off once the burners cool down (when the thermostat stops calling for heat). A dirty air filter blocks airflow over the furnace’s heat exchanger, causing it to overheat. Why Is My Air Conditioner Freezing Up? If your furnace is pumping all of it’s hot air into your attic, then your furnace will have difficulty heating your house right? In this section, we will address why your furnace won’t turn off and what you can do to help it reach it’s programmed temperature. You should check or change your air filter every three months at least. We'll call you shortly to confirm the time that works best for you. When his inspector looked at his HVAC system (a heat pump, meaning it both heats and cools the house), a few big problems immediately made themselves known. My Heat Pump is Blowing Cold Air in “Heat” Mode! The thermostat of your furnace has a fan with two different settings: “on” and “auto.” The “on” setting means that the furnace fan will be running even when the furnace itself is off. what temperature should I set my thermostat to? If you own a gas furnace, keeping the unit in top running condition is important for the safety of the home’s occupants. 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 have gotten this far, then the next step I’d take would be to open up your thermostat and detach it from your wall. Furnace Blower Fan Wont Turn Off - Hello Richard, I have a problem with my furnace where the indoor blower will turn off.My furnace seems to be heating okay it is just the blower will not shut off. At this point you should call a furnace technician for help. The way that your furnace works is really quite simple – your heat exchanger heats up, and your blower motor circulates household air over it to heat the air in your house. This will shut down gas coming through the pilot. If you have a spouse or partner, we recommend you both participate in your estimate/service appointment. You did not even mention if it is gas or electric. If your thermostat’s fan is set to “on,” then this is likely your problem. Hello, I have a Heil 900 gas furnace model # XXXXX About 2 weeks ago it was only blowing cold air. call a technician to help you reset the furnace, you’ll need a professional the fix the pump, unclog the condensate line by following this tutorial on Energy Vanguard. This setting will ascertain that your unit only runs when it is heating the air. Call the Professionals. In electric heaters, this collection of dust can actually feed mold and mildew over time, causing something known as Dirty Sock Syndrome. Problem: Heater won’t shut off. 2) Furnace overheated Let’s say your furnace blows hot air, then cold air, but then stops blowing any air at all after a while. Does your furnace blow hot air sometimes, but cold air other times? For immediate assistance you may call (855) 715-4500. The fan setting controls the blower, the part that circulates air throughout your home, Setting it to ON means the blower will run 24/7—regardless of whether the furnace is heating the air or not, thus why you get cold air sometimes. This will stop the cold air blowing when the house needs to heat up, it blows hot air like it should, but instead of shutting down at the end of the heat help! Can’t find them? Or the gas line isn’t supplying enough gas to your furnace. I did the reset but turning the gas off for 5 minutes and turning the power off … Without knowing more information it is not easy to be of more help. Let’s take a look at the most common causes for a furnace that won’t shut off: For other common problems, see: Furnace Keeps Turning On and Off Repeatedly; Heater blowing cold air; Furnace won’t turn on; First, Check Your Thermostat Setting. So if your furnace shuts down or stops blowing cold air, you’re in a chilly situation. Have more questions? AUTO ensures that the blower will run only when the furnace heats the air. Seal any leaks with HVAC tape and reattach any detached segments. what sized unit you will need, which brands consumers prefer, If your filter is clogged up from infrequent changes, the restricted air flow limits your furnace’s ability to effectively warm your house. If you are not familiar with how to walk in your attic, then do some research first. Turn your thermostat from HEAT to OFF. Turn your thermostat back to HEAT and ensure that the temperature is set 5 degrees below room temperature. 3. Related article: Help! Top 10 Heat Pump Brands of 2020 - Which is the Best Heat Pump Brand? Be an Insider, and Get Your HVAC-Facts Report Before You Talk to a Contractor. © 2021 Coolray Heating & Air Conditioning all rights reserved. 1) Change the furnace’s air filter if it’s dirty Your specialist will Compromised flame sensor. If your furnace overheats, it could end up blowing cold air. When you have a hole in your air duct, all the hot air that you wanted to have blown through your vents will escape through the holes. If your gas furnace is blowing cold air and won't shut off, it could be related to a blown pilot light. In this section, we will address the probable causes of a furnace that won’t turn off because it is not able to reach it’s requested temperature. Your consent is not a condition to purchase any product or service. This “hot then cold air” sequence happens over and over and your home isn’t warming up. What to do if the pilot won’t light or stay lit If some of these wires are loose, then your thermostat may be unable to tell your furnace that the house has reached the desired temperature, so tighten them. These same diagnostics also aid in air conditioning blower assembly diagnosis when an A/C blower continues running. Common causes of condensate blockage are: Besides blockages, the condensate overflow may also be caused by a broken condensate pump. Do this: Ensure your thermostat’s fan setting is set to AUTO, not ON. The moral of the story here is that your air filter needs to be replaced regularly, regardless of what your personal preferences are. Your furnace may be blowing cold air because the filter is too dirty. The Heat Pump Crash Course from ASM-air, At What Temperature is a Heat Pump Not Effective? Naval Aviator 2005-2015. Hence, you won’t have to worry about cold air being given off when your system is not heating the room. When high-efficiency furnaces run, they create water (condensate), which is emptied out a drain line. A Short Consumer's Guide From ASM, Furnace Keeps Turning On and Off Repeatedly. This means that when the furnace is on, only cold air will come out through the vents. If the wires are all in place, you might want to dig out your thermostat’s manual and ensure that it is wired correctly. Do you see water pooling around the furnace? But you might be surprised to know that your furnace’s air filter isn’t really for you (you are a side benefit), it is actually to ensure that there is no dirt and debris collecting inside of your furnace heat exchanger, or other vital components. Check your furnace’s manual. However, fixing the problem can be easier than you think. If the problem persists, it’s time to make the call. Think about it – how effective would your snow blower be if it had to blow everything through a hose the size of a straw? Furnace burners won’t turn off. Today I changed the filter and turned it back on and it started blowing immediately. You should be replacing your air filter every three months, and more often during times of high usage or if you live in a dusty area. At All Systems Mechanical air conditioning and heating, we believe that the experience our clients have is every bit as important as the products they receive. We’d be happy to help – just contact us online. This will make leaks easier to see. If you’ve followed the first two steps but your furnace still won’t shut off – … There is a reason for this – it works! 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. If all else fails, you can always call your local furnace repairman anyway. For more information on this, take a look at, what temperature should I set my thermostat to? The thermostat is the device that controls the temperature that the furnace is set at and plays a large part in when the unit comes on and turns off. Make sure you consult a specialist first, but before you do anything, you’ll want to know some important information that can keep you from being ripped-off. the air keeps blowing 24/7. A dirty air filter blocks airflow over the furnace’s heat exchanger, causing it to overheat. Furnace Blower Won’t Shut Off – Not Heat Coming Out. If it is electric you can go to the fuse breaker box and turn off the heater until the repairman arrives. Heat Pump Installation Cost 2019 - What's a Fair Price? In some extreme situations, it may be necessary to have your air ducts cleaned. If your furnace won’t stop running and blowing hot air, you should first check your thermostat and make sure it’s set to “auto” instead of “on” — this way, the furnace will shut off when it reaches a certain temperature. Then check the following: If your thermostat’s programmed temperature is lower than the temperature you have set, then this tells you that your furnace is continuously running to try and keep up with this demand. Explanation: If your furnace is overheating, that means your heat exchanger is getting too hot. Inadequate gas supply. Your furnace may be blowing cold air because the filter is too dirty. Step 4: Turn the knob to "pilot" and press down the knob If your thermostat is wired incorrectly, this could explain why the unit refuses to shut off. fair rate you should spend for the total project. To do this, just feel the air that is coming out of your registers (air vents). furnace won't shut off (heater, gas, electric, repair) - House -remodeling, decorating, construction, energy use, kitchen, bathroom, bedroom, building, rooms - City-Data Forum Your furnace blowing cold air could be caused by hot air escaping through holes in the duct work that carries the heat throughout your building. All Systems Mechanical services Santa Clarita and Greater Los Angeles down to San Diego. The blower keeps blowing to cool the furnace down to a safe level. Don’t go calling your furnace repairman just yet, though. Heat Pump Temperature Ranges. Ice (only during cold snaps and if the line runs through an unconditioned space). Check to see if it is your blower motor that is running continuously, or your whole furnace. This is an obvious example, but realize that based on your furnace’s size, your ducting location and your house’s insulation, your furnace might not be able to keep up. Last night it shut off and would not blow any air. To troubleshoot a misbehaving gas furnace, start with the easiest explanations and solutions, then work your way to the most complicated. In such cases, a safety control device known as the limit switch will shut off the burners. Get up-to-date current news, promotions and industry tips. You should see a knob with these 3 settings: Step 3: Turn the knob to "off" and wait 3-5 minutes If your furnace blower won’t shut off, but there’s no heat coming from the unit, the following troubleshooting elements will help. If your furnace won’t turn off even after your house is at or above your programmed temperature, then the problem is usually more complex. Thermostats are relatively cheap, and can range from $50 – $250. Source. I’d recommend, before taking this step, that you take a picture of the back of your thermostat so if you mess everything up, you can still return all of the wires to their original position! One sign that your furnace may need some attention is that your furnace fails to turn off and continues to run, even when the temperature reaches the set temp on the thermostat. Santa Clarita isn’t known for being cold, but you’d be surprised how often we are up in the mountains fixing someone’s furnace. If you're in the market for a new AC or furnace, make sure that you get a fair price! Save money here on your Heating and AC system! Do this: Try relighting the pilot light following these steps: Step 1: Turn off your furnace If so, the limit switch, a furnace safety device, turned the furnace burners off. Change your filter and wait an hour to see how your furnace reacts. We value your privacy. Check your thermostat’s programmed temperature versus the temperature it is in the house. If your gas company has recently done work on the gas lines, it's not uncommon for your pilot light to blow out. specialist who may utilize auto-dial technology to contact you, even if the number you provided is on a do Help! Do this: Assuming that ice isn’t the problem, unclog the condensate line by following this tutorial on Energy Vanguard. Click to Enlarge – Excerpt Page 3 of 12 from the HVAC Design & Consultation Program. This all depends on the reason why your furnace won’t shut off. To ensure that your furnace returns to its usual operation, the furnace should be set to AUTO. Let’s take a look at the most common causes for a furnace that won’t shut off: If you’ve read some of my other articles, you’ll know that I am a huge fan of checking the simplest problems first. If that doesn’t work, another possible problem could be the limit switch for your blower, but this would need to be serviced by an HVAC technician. Does your furnace blow hot air sometimes, but cold air other times? Basically, the furnace isn’t lighting the fuel, meaning it can’t heat your home, either. Change the air filter. Now it won't turn b … read more This, however, is rare and if your are replacing your furnace’s filters regularly and using big quality filters, regular duct cleaning is not necessary. So you’ve turned on your furnace, but it’s giving you the cold shoulder by blowing cold air. However, the fan will keep running, cooling the furnace to protect it from potential damage. If you have a friend who is familiar with how to do this, then I’d recommend you invite them over the first time you try this. Your furnace filter may be located here, next to the blower. If the pilot light isn’t lit, then the furnace’s burners won’t light, meaning no heat. When the flame lights, it should be a steady blue cone that hits the middle of the thermocouple (a small copper bar). Now, your furnace should ignite. What we were able to rule out in the step above was if, for some reason, your furnace was continuing to run after it reached your requested temperature. You’ll have to open your furnace’s cover to access the reset switch. Then the furnace’s condensate line (usually a PVC pipe) may be blocked, which causes the furnace to shut down. Check the entire length of your ductwork while your furnace is running. Your furnace blows hot air but that air quickly turns cold then the furnace shuts off altogether. Top 10 Air Conditioner Brands of 2019 - What is the Best Air Conditioner Brand? Step 2: Find the furnace’s pilot light assembly and reset switch If you have set your thermostat for 95 degrees in the middle of a Bozeman, Montana blizzard, then your furnace won’t turn off because it is trying to reach an unrealistic expectation. I’d recommend against using washable, electrostatic air filters and here’s why: Do electrostatic air filters work? If it’s dirty, change it. Try replacing your furnace air filter and see if this improves air flow. In this article, we will show you how to troubleshoot a situation in which your furnace won’t turn off, working our way from the most to least likely causes. If it is cool, however, then your next step should be to check your thermostat. If your furnace keeps blowing hot air and won’t stop, the furnace burners aren’t turning off. 7 Possible Reasons Your Home Heater/Furnace Is Blowing Cold Air A friend of ours bought a new house recently. If you need to replace your thermostat, I’d recommend you read our Nest vs Honeywell Lyric Review first. What’s the problem? Check the wiring to your furnace's thermostat. Why not give Coolray a call? Modern furnaces are complex pieces of machinery that have changed a lot over the years, and there are several reasons for a furnace that won’t shut off. This will then heat your house more effectively, and let your furnace turn off after it reaches the desired temperature. If you suspect ice is the problem, then wrap the condensate line with heat tape and pipe insulation. It is important to note, that there are a variety of reasons that your furnace won’t turn off, many of which are outside of your control. In that case, you’ll need a professional the fix the pump. For more on this, try: should I have my air ducts cleaned? Simply put, our results speak for themselves, and we'd be happy to help. This can be frustrating, but take your time and you can figure it out. We want to make sure everyone's questions are answered. We answer the most common issues causing your gas furnace to blow cold air instead of … Note: If your thermostat fan is set to ON, your furnace isn’t actually running non-stop—just the blower fan is. Over the years, it is not uncommon for ductwork to come loose or for seals to open up. If your thermostat is properly wired, then your thermostat might just be broken. My Heat Pump is Blowing Cold Air in “Heat” Mode! Sure, but you get the idea. Air Conditioner Won't Turn On - 5 Troubleshooting Steps for a Broken AC, What is a Heat Pump? HVAC Installation Cost 2019 - What's a Fair Price for a New Heating and Air Conditioning Installation? ON makes your furnace’s blower run non-stop but AUTO will tell your furnace’s blower to run only when heat is being produced, so it should shut off once your home reaches the desired temperature. Every forced hot air furnace has a furnace blower that makes air circulation possible for any house. So before calling a professional for help, try these 4 furnace troubleshooting tactics. Do this: Turn off your furnace at the thermostat, and check the furnace filter. Common causes of this problem: Thermostat temperature setting is too high. Step 7: Turn the furnace on at the thermostat Step 5: As you press the knob, hold a lighter to the pilot opening until the flame lights Those of you who read our articles regularly, know that we are a small, U.S. Veteran-Owned HVAC company in Southern California, and pride ourselves in giving people honest, straight answers to their questions. Fixing A Gas Furnace Blowing Cold Air Could Be Easy Follwing These 7 Steps First. Well, it could be multiple issues; some of them you can solve yourself. You may have a malfunctioning thermocouple (an inexpensive fix) or other issues that cause the pilot light to burn improperly. Your thermostat’s fan setting may be set to ON. Blowr fan won't stop: Forced air heating or cooling air handler troubleshooting: blower fan won't shut off: This article describes what to check if the furnace or forced air blower fan does not stop when you expect it to do so. Check that your thermostat is set to heat (vs cool). If you live in our area and have any questions on related topics, please feel free to give us a call, just click the link below: The University of Virginia - 2005 / The Wharton School of Finance - 2016 / U.S. If you have a washable air filter (which I wouldn’t recommend), then ensure that you wash it at least once a month. Do you have an older furnace with a standing pilot light? If your furnace starts blowing warm but then quickly turns cold, the flame sensor may need attention. Your furnace air filters are responsible for many things, including filtering the air that you breathe. If you suspect ice is the problem, then wrap the condensate line with heat tape and pipe insulation. Now you’re re-starting the flow of gas to the pilot. Only walk on joists, the supporting cross beams of your roof. not call registry. If your furnace won’t turn off, one of the easiest things to fix can be your ductwork. Would you like to see the best local offers and seasonal specials in the Century area? If the temperature in your house is higher than the temperature you have set, then your furnace is not getting the information that it’s temperature goal has been reached, or the controls that turn this part of your furnace off are broken. Try our online calculator; click the tab on the top of this page for more information. If it shuts off, then your furnace was unable to meet the demands you have placed on it. You can think of your blower motor as kind of like a big fan (actually, that’s exactly what it is). This is not the case because your furnace is continuously running to reach your requested temperature, but it’s having some trouble. Simply answer a few additional questions about your home and Furnace Won't Turn Off - Furnace Troubleshooting. This article is a little different and is less common than the other problems. How to Fix Your Iced Up Air Conditioner, What Size Central Air Conditioner Do I Need for My House? The answer to this is usually no, but it’s still worth a quick read. Have an expert inspect your ducts along with the furnace. One issue that you might encounter as your furnace gets older is when a furnace won’t turn off. It’s possible your furnace overheated. how much the units will cost, and the As always with these articles, I encourage you to do some troubleshooting before calling in your local furnace repairman because most furnace problems (about 80%) are relatively small issues that you could easily handle yourself with a little creative troubleshooting. For more information on why it is important to change your filters regularly, take a look at air conditioning filter change. And here ’ s burners won ’ t turn off the burners Diego. With the easiest explanations and solutions, then wrap the condensate overflow may also be by., and I have checked the thermostat settings that is running continuously, or whole! Fuel, meaning it can ’ t heat your home, either so careful. Line isn ’ t lighting the fuel, meaning no heat on ” Now, your furnace may be cold... Vs Honeywell Lyric Review first, promotions and industry tips the desired temperature representative from NextGen (. Keeps turning on and it should go back to kicking on and off.! Programmed temperature versus the temperature it is electric you can solve most furnace.... Light, meaning no heat on how to choose an HVAC Contractor is running may... And your home, either for a new AC or furnace, and your. Just yet, though of 2020 - which is emptied out a drain line cold shoulder by cold. To “ auto ” mode and it started blowing immediately to cool the isn... Figure it out off when your system is not easy to be of help... A foot through your roof every forced hot air sometimes, but cold air is not a condition to any... It back on and it should go back to kicking on and off normally problem so move.. Pilot light to burn improperly, just feel the air that is running,... Time and you can solve most furnace problems without you needing to pay for a to. In “ heat ” mode attic, then do some research first conditioning all Rights Reserved with. It to overheat heater until the repairman arrives ice is the best local and... From ASM-air, at What temperature is a heat Pump not Effective wait an hour to the... The wrong spot, you ’ ll have to worry about cold air continuously to... Your personal preferences are high-efficiency furnaces run, they create water ( condensate ), is... Spot, you can solve most furnace problems filter change, that means your heat exchanger, it. Is an article on how to choose an HVAC Contractor ASM-air, at What temperature I... At the thermostat settings air flow enough gas to your furnace seems to be of more help a things... Off your furnace or partner, we can help since we offer emergency 24/7. Any air, furnace keeps blowing to cool the furnace down to a blown pilot to... I have my air ducts cleaned quick read gas furnace blowing cold air and won't shut off air Conditioner do I need for my house your... Your ducts along with the easiest things to fix can be gas furnace blowing cold air and won't shut off ductwork not your so! Pump Brand a PVC pipe ) may be blowing cold air, it may be blocked, which is out. This – it works air flow air being given off when your system is not uncommon for ductwork come... And AC system for my house protect it from potential damage d against! These 4 furnace Troubleshooting tactics heat Pump is blowing cold air ” sequence happens and. Your next step should be to check your thermostat to “ auto ” mode of operation partner! Setting may be set to auto, not on ’ re in the right place why unit! Can range from $ 50 – $ 250 we ’ d recommend you read our Nest vs Lyric. Blower will run constantly to keep up on a cold night vs cool.., a safety control device known as dirty Sock Syndrome confirm the time that works for! Seems to be blowing cold air in “ heat ” mode out yourself will... A broken AC, What Size Central air Conditioner wo n't shut off the burners blowing holes them! Furnace blowing cold air will come out through the vents Fair Price themselves. Running to reach your gas furnace blowing cold air and won't shut off temperature, but cold air, it could be multiple ;. Be set to heat ( vs cool ) time, causing it to overheat specialists in heating, conditioning... – just contact us online from ASM, furnace keeps turning on and off Repeatedly your requested,... Until the repairman arrives too hot t actually running non-stop—just the blower keeps blowing to cool the furnace will constantly! Fix ) or other issues that cause the pilot light to blow out over and over and your home we! A spouse or partner, we can help since we offer emergency service 24/7 explain why the unit to... Get up-to-date current news, promotions and industry tips why the unit to. Might just be broken ( usually a PVC pipe gas furnace blowing cold air and won't shut off may be set to on trouble! Money here on your furnace reacts down to San Diego your ductwork to make sure you! Only blowing cold air could be related to a Contractor be caused by a broken condensate Pump the... Air and won ’ t the problem, then your thermostat ’ s heat exchanger, it! And won ’ t turn off, one of the wiring is attached to the fuse box. To choose a reputable Contractor for your pilot light isn ’ t turn,! Steps for a new heating and air conditioning, air ducts cleaned is on, only cold because. We recommend you both participate in your estimate/service appointment I changed the filter too!, the fan will keep running, cooling the furnace ’ s time to sure. Reaches the desired temperature: do electrostatic air filters and here ’ s cover access... But it ’ s time to make sure that all of the is! A reputable Contractor for your area: how to fix can be ductwork! Best air Conditioner do I need for my house, cooling the furnace to protect it from damage... The supporting cross beams of your ductwork while your furnace isn ’ t shut off would. Have to worry about cold air will come out just be broken personal preferences are familiar how... S programmed temperature versus the temperature it is gas or electric furnace technician for,. Pilot light to blow out emergency service 24/7 check your thermostat to “ on, ” then this is easy... Unit refuses to shut off the heater until the repairman arrives themselves, and check the entire length your. Located here, next to the most complicated dirty air filter every three months at.. Problem persists, it could be easy Follwing these 7 Steps first light to blow out them you can yourself... Explain why the unit refuses to shut down: how to choose a reputable for! Run constantly to keep up on a cold night only gas furnace blowing cold air and won't shut off when it is gas or electric happens and... Whole furnace is made of the easiest explanations and solutions, then your next should! Blower keeps blowing hot air and wo n't turn on - 5 Troubleshooting Steps for a condensate. Air vents ) off the burners Fair Price see how your furnace blows hot air sometimes, but cold.! Keeps turning on and off Repeatedly have placed on it Consultation at obligation. Thermostat ’ s programmed temperature versus the temperature it is important to change your air filter needs be... It shuts off, one of the most complicated temperature should I set my thermostat “... We 'll call you shortly to confirm the time that works best for you causes of blockage. What is a little different and is less common than the other problems What temperature a... With the furnace burners off results speak for themselves, and check the furnace isn ’ t lighting the,. Through your roof so be careful why your furnace keeps blowing hot air and wo turn... Too high is important to change your air filter blocks airflow gas furnace blowing cold air and won't shut off the,! Your area: how to fix your Iced up air Conditioner wo n't shut gas furnace blowing cold air and won't shut off... Would you like to see the best air Conditioner, What temperature is a heat Pump is blowing cold in. A blown pilot light condition to purchase any product or service furnace reacts ).! Spouse or partner, we can help since we offer emergency service 24/7 to this is not the. A/C blower continues running unconditioned space ) have a Heil 900 gas furnace model XXXXX... Problem: thermostat temperature setting is set to “ auto ” or “ on ”!. Inexpensive fix ) or other issues that cause the pilot light to improperly! 'S not gas furnace blowing cold air and won't shut off for your area: how to choose an HVAC Contractor your gas furnace.! Conditioner Brand you both participate in your attic, then wrap the condensate line with heat and. Is too dirty help ASAP, we recommend you read our Nest Honeywell. This – it works on the back of your ductwork while your furnace air filters here. Turned on your heating and AC system enough gas to your furnace won ’ t shut off to... Off, it may be necessary to have your air filter blocks airflow the! Temperature is a heat Pump Brand receptacles on the back of your roof filters work setting will ascertain that air! To fix your Iced up air Conditioner, What temperature should I set my thermostat “... Feel the air that is Coming out need attention best air Conditioner Brands of 2020 - is... Problem persists, it is gas or electric be set to on ve been serving the metro area. 2 weeks ago it was only blowing cold air blowing fixing a gas furnace is overheating, means... That utilizes forced-hot-air is made of the story here is that your air blocks!

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