furnace not blowing warm air

Thermostat Issues. That may be a quick and easy fix. I pull the access what can be happenin … read more Is your furnace not blowing hot air? Top 6 Reasons Why Your Furnace Isn’t Blowing Hot Air 1. If you use disposable air filters, we recommend checking them every month and changing them if they’re dirty. If your furnace isn’t coming on or isn’t blowing hot air try these simple troubleshooting tips with your thermostat before you call a repairman: Set the thermostat to “heat” instead of “cool.” (You never know who have been messing around with it and changed it to cool.) If you checked the heating vents in this situation, you would probably find that there is not much air flow coming out of them, which is why you are still freezing. If your furnace starts blowing warm but then quickly turns cold, the flame sensor may need attention. Does it seem like the airflow is weaker than you remember? Gas leaks are dangerous. A technician will need to repair the reversing valve. Because it illustrates just one of many reasons why a heater might blow cold air, and an air conditioner might blow hot air. 8001 South Route 31Crystal Lake, IL 60014Phone: (815) 455-7000Office Hours: Mon-Fri 9:00a-5:00p, 4152 May St.Hillside, IL 60162Phone: (312) 332-5700Office Hours: Mon-Fri 9:00a-5:00p, 24 Hour Emergency ServiceToll-free: (800) 225-2443Fax: (815) 455-8354. Your furnace’s heat exchanger may overheat due to the lack of air, causing the burners to shut down. There is a good chance that you will find and correct the... Major Service Issues. Getting home to a cold house and having a furnace that blows cold air is a headache. Why tell this story? It’s like putting a blanket on your head and asking you to breathe normally. If you use disposable air... 2. The most common reason why your furnace is not blowing hot ar is related to the filter. To address this issue, we’ve come up with some common reasons your furnace may not be blowing hot air. If your electric furnace is not blowing hot air, there might be some issues with the thermostat. What temperature do you feel blowing from the vent? This is usually the result of the gas company shutting down the gas lines for maintenance or an emergency. Check the air filter.. Has it been awhile since you changed your furnace air filter? Take a look at the air vents and make sure that the dampers (the little handles on the front panel) are parallel with the ductwork. Your System Was Just Turned On. Other potential problems include a bad blower fan or limit control switch. Why Is My Furnace Blowing Cold Air Sometimes? Even worse, the furnace is blowing cold air! Why is my furnace only making a If it won’t stay lit, call a professional. Whether you need a new forced air furnace, a mini split system or a room heater, Total Home Supply has you covered. Email: WordofAdviceTV@gmail.com ✍️ If you’re not uncomfortable and your furnace still blows out hot air on occasion, you probably don’t have anything wrong. You expect to receive a steady supply of warm air from your vents whenever the furnace turns on. Your furnace might lock down for safety reasons if it is not getting the amount of gas it requires to provide warm air. Cracks, holes and gaps in your ductwork allow the hot air from your furnace to escape before it reaches the vents. You’ll need a visit from an HVAC professional to make this furnace repair. If the airflow to your furnace is restricted, it can cause your furnace burner to shut off while the blower keeps running. In this video I go over a common furnace problem where the blower fan blows air but the burners do not come on. Why Is My Furnace Blowing Cold Air (And Other Signs It's Time To Get It Looked At) One thing’s for certain: Your furnace should be keeping you warm — not blowing cold air. There may be a problem with the thermocouple or ignition system. Or, it may prevent the furnace from operating at all. But if you have low refrigerant charge (due to a leak, most likely) then it’s not bringing in enough heat to warm your air. Duct leaks can be The Circuit Breaker Is off Yet so many homeowners do not know what to do to reap these benefits. There are many reasons an HVAC (heating, ventilation, air conditioning) system might stop working. This is normal for heat pumps. WARM/HOT – This means your reversing valve may not be configured or wired properly. 7 Reasons Your Heater Blows Cold Air/AC Blows Hot Air. Leaking Air Ducts If your home’s air ducts are leaking, cold air could be making its way inside and mixing with the hot air produced by the furnace. The fix: Nothing. Other potential problems include a bad blower fan or limit control switch. Your furnace may be blowing cold air because the filter is too dirty. If you’re getting cool air instead of warm, the problem may not be your furnace at all. Have you had any repairs done lately? Troubleshooting a Furnace That's Blowing Cool Air. Top 10 Furnace Questions & Answers By Andrea Pohlsander January 22, air filter and see if it starts blowing only warm air. Not only will you have cold spots, but leaky ductwork will run up your energy bills and pull in dust and debris that then gets circulated into your home. Clogged and Dirty Filters 1) Change the furnace’s air filter if it’s dirty. All appliance and HVAC repair work should be done by a trained professional. The pilot light might be out. Still getting cold air from your furnace? New furnaces cost on average over $3,000 . There are, incidentally, some common causes for why your furnace may be blowing cold air instead of warm, and what you can do to fix the problem. The cold air you feel is from the fan blowing it in because it is always running. The last thing you want to find is that the furnace is not heating. Here are some of the reasons your furnace isn't blowing warm air. A flame sensor that’s covered with grime or worn out can cause the burner to keep shutting off. In this case, you'll need someone to come take a look at it, as your ducts are a network of intricate parts. If all of these things check out but you still suspect a malfunction, the thermostat may need recalibration or replacement. Once the air flow is no longer restricted and the unit cools down, the furnace should start blowing warm air. It is usual for cold air to enter the heating system until it is warm, and then for warm air … 10 Common Reasons Why Your Furnace is Blowing a Cold Air … While working with the ignitor is a job for a pro, you can check for a dirty ignitor if you know how and feel absolutely comfortable shutting off power to your furnace, taking off the front panel, and locating the ignitor. If you’re in the Greater Chicago area, schedule your furnace service online or give us a call at (815) 455-7000. If you have an older gas furnace with a standing (physical) pilot light, the light can go out. 1. A furnace that frequently shuts off automatically may have other issues, such as a clogged air filter or blocked ducts that are causing the furnace to overheat. COLD – This means your thermostat is cooling correctly, but the heating isn't working properly. A dirty air filter affects more than just your home’s air quality (though don’t get us wrong, that’s important). Make sure the thermostat is set to a higher temperature than your home, and running on... 3. This information is provided as a general guideline. Your furnace has one job: blowing hot air. If this doesn’t fix the problem, and you smell gas, turn off your gas supply and call a professional right away. Air coming out of the vents is not very warm but good enough to heat the house with the covers off (does not heat the house enough with them on). Contact Support at 1-855-733-5465 to find a pro-installer in your area. Here are some reasons why this is happening and tips on how to fix it. Thermostat is Set Too Low – . Replacing a Broken Hot Surface Ignitor Luckily, swapping out a … Even if your furnace is fairly new, things Insulation can break down and fall into the duct space, clogging it. Cleaning the furnace filter and the surrounding areas is easy to do. New furnaces cost on average over $3,000 . Furnace overheating can be the cause of your cold air dilemma. If you’re getting cool air instead of warm, the problem may not be your furnace at all. If that doesn’t help but you still suspect your furnace is overheating, it’s time to call in a professional HVAC technician. The reason your furnace is not blowing hot air could be a setting on the thermostat, a circuit breaker, or a clogged air filter. Any furnace will blow cold air when it starts up, since it takes time for hot air to... 2. It is entirely possible for the furnace to be burning away, producing hot air, without enough of that warm air ever actually being distributed through your home. There are some other causes of improper furnace air flow, but those are the most common and easiest to detect and repair. Common furnace issues like when a furnace is not blowing hot air can be as simple as a filter. Check that the gas valve handle is inline (parallel) with the gas pipe—that means it’s on. There’s a problem with your filter. The air blows cold but it barely trickles out of the vents. Your furnace may be blowing cold air because the filter is too dirty. This can be due to a low level of refrigerant, a problem with the compressor or condenser, or even the thermostat itself. If the furnace filter gets too dirty, it will block the return air flow to the furnace. If your heat registers are not returning any warm air at all, that is likely a different problem and you should call Carney Plumbing, Heating & Cooling to look at the system right away. Furnace is not heating, turning on, or blowing hot air A clean and healthy furnace filter results in energy savings, home comfort, better air quality and a longer lasting furnace system. Second, if you still have no warm air, check to see if any flame is lighting. A clogged, dirty air filter blocks the return air flow to the furnace, meaning: Try changing the air filter to see if this resolves your cold air problem. Getting home to a cold Repeated overheating will damage the heat exchanger and lead to a big repair bill. You may have leaking ducts. That’s why minor issues with your heating system still deserve a lot of attention, even if it’s something that is as simple as a furnace that’s blowing warm air rather than hot air. Look to these possible causes one at a time. Typically this will be accompanied by a limit open error code on the furnace control board. 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Getting cold air from your furnace is NOT cool (pun intended). Many people have experienced the very uncomfortable and inconvenient phenomenon of a system blowing warm air instead of cold. 12. ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ SPONSORS / Collabs:Would you like to partner with Word of Advice TV? Still getting cool air from the vents? If your gas supply is not turned off, then you probably have a severed line. If you suspect a problem with your ductwork, contact a professional who specializes in that area. If your thermostat’s fan setting is set to ON, then your furnace blower will constantly be operating ever when it is not putting warm air into your home. This results in mild, lukewarm air emerging from the vents. Furnace is not heating, turning on, or blowing hot air. However, not as many people have experienced a central heating system that doesn’t work. Apart from a faulty thermostat, low battery problems may result in the heating system blowing cold air. Don’t freeze on days and nights you should be warm and cozy. If your thermostat’s fan setting is set to ON, then your furnace blower will constantly be operating ever when it is not putting warm air into your home. Problems with your pilot light can cause your gas furnace to blow cold air. This gives us a small commission at no additional cost to you and helps us continue producing more videos! It will cause your furnace to overheat and eventually stop functioning. There’s only one thing worse than a furnace not working, it’s a furnace blowing cold air. As long as the thermostat is reaching the temperature you set it at, it’s working fine. The reason your furnace is not blowing hot air could be a setting on the thermostat, a circuit breaker, or a clogged air filter. If you’re still not getting warm air from your furnace, we can help. the fan is always on (because we're not at the desired temperature). If it’s running constantly, it will keep air circulating whether the furnace is actively heating or not, which could explain the cold air you can feel swirling around your feet while you watch TV. Your Thermostat Setting Is Wrong This may seem like a painfully obvious reason for why your furnace isn't blowing hot air, but you'd be surprised at just how many people don't check their thermostat first before … (916) 256 … A furnace not blowing hot air can be an easy fix — or a more complex one. This is especially true if you're in the middle of the winter months. Either way, the thermostat should cause a flame in the furnace to go on higher. To warm your cold inside air, the heat pump’s outdoor unit uses liquid refrigerant to absorb heat from the outside air. Problems with your vents or ductwork are likely to blame. Below, we'll tackle some possible reasons why your gas furnace might be blowing out not-so-warm air. Althoff Industries does not assume any liability resulting from the provided information. See if That may be a quick and easy fix. Someone may have shut off the gas supply valve to do a repair and then forgot to turn it back on. Winner of: The Northwest Herald 2013 Readers Choice Award for The Best Heating and Air Conditioning and One of the Best in Plumbing Services. All rights reserved. The most common issues that cause your furnace to blow lukewarm air, including: Check your thermostat’s settings. If the filter is dirty, no airflow allows your furnace to release the hot air. In the end, it may not even be a problem with your furnace if it's not blowing hot air. If you’re looking for a little extra help on troubleshooting the system you purchased from Total Home Supply, call us with … When the air temperature reaches the setting you’ve chosen — let’s say 70 degrees — the furnace can take a break until the air drops below 70 again. Is your furnace not blowing hot air? The cold air you feel is from the fan blowing it in because it is always running. Yet so many homeowners do not know what to do to reap these benefits. If your furnace is blowing hot air sometimes, and cold air other times, the fan may be on. Lastly, if your furnace is overheating, it can result in your furnace blowing out cold air rather than warm air. You might not think your filter contributes to your AC not blowing cold air, but it does. If you just turned on the heat, hot air may not yet be flowing through your air ducts. Eight times out of ten, if your furnace is powering up, and everything else seems to be normal — except that it’s blowing cold air (well, unheated air) instead of hot air, you probably just need to replace your ignitor. Ask a Phoenix tech. Winner of: The 2013 Carrier Presidentʼs Award for dealers who exemplify leadership and management, customer satisfaction, expertise, business growth and operational excellence. Warm air is sent through your ducts when the thermostat says it’s needed. Most modern gas furnaces have an electronic pilot igniter coupled with a flame sensor rather than a physical pilot light. If you’re in Orange County or surrounding areas, schedule your service online with White Mechanical, Inc., or give us a call at (949) 328-3370 for all your HVAC needs. With such low volume of air blowing, the air cond. When more intense issues go unchecked, they can be damaging to your system and expensive. The furnace is old but the air cond. Why Is My Furnace Running but Not Blowing Hot Air? When it’s off, the handle is perpendicular to the pipe. But if you have low refrigerant charge (due to a leak, most likely) then it’s not bringing in enough heat to warm your air. If your furnace is blowing cold air some of the time, but working otherwise, there are a few possible reasons for the problem. Is your furnace blowing hot air in some rooms but not in others? Furnace Not Blowing Hot Air? You should keep your thermostat in the “auto” position so the fan will only push air through your air vents when the furnace is producing warm air. Whether you're turning it on for the first time, or you've experienced a random mishap, a furnace not blowing warm air is less than ideal. Word of Advice TV is not responsible for any possible damages or injuries caused by the use or misuse of the provided information. To warm your cold inside air, the heat pump’s outdoor unit uses liquid refrigerant to absorb heat from the outside air. Without the gas supply, there’s nothing for your furnace to burn to create the heat. Solution: Change the air filter and see if your furnace starts only blowing warm air. is just 2 years old. If none of these fixes takes care of your furnace problems or you are not comfortable troubleshooting the issue, contact a … Or maybe the air starts off hot, then turns cool before the furnace shuts down. Facebook Twitter RSS Calendar Call Call Today! To save yourself from a large expense and time without your furnace when you need it most rely on an HVAC repair service you can trust. 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. Most commonly, a dirty furnace air filter. If you haven’t been regularly checking and changing your air filter, it’s most likely extremely clogged. Your home’s HVAC system is one of the most important systems when it comes to your safety, your comfort, as well as your home’s value. The primary cause of furnace overheating issues is a dirty/clogged air filter, and furnace overheating can majorly damage your heat exchanger , which can result in costly furnace repairs or even new furnace … Is your furnace blowing lukewarm air and not keeping your home warm? Your furnace clicks on and the blower motor is running, but the air coming from the vents is cold or cool instead of hot. Our licensed Chicago HVAC technicians can diagnose the problem and get it resolved fast so you’re not left in the cold. Once you’ve confirmed that the gas line is safely back in operation (a quick call to the gas company is a good idea), try relighting the pilot light according to the instructions for your unit. Do you have an automatic electric starter or a pilot light? Often the initial issue is simple to fix, but can lead to complicated and costly problems if put off too long. When the furnace is turned on after a certain period, whether it be days, weeks or months, turning on the system does not mean that warm air will automatically begin to pass through the vents. If it does not, the Thermostats are fiddly things—plus, you never know who in the house might have done some “unauthorized adjustments.”. The blower motor itself does not create the heat; rather it blows the heated air created by the furnace through the system's ductwork. But if your furnace comes on and the air coming from the ventilation system is only lukewarm, resulting in insufficient heating for your house, you should call for professional repairs right away. Sometimes, it can be faulty ductwork causing you to feel lukewarm air on the other side. The cold air you feel is from the fan blowing it in because it is always running. If your furnace is not doing that, what are you paying it for? If a thermostat is set incorrectly, you might notice your furnace blowing cold air from the heat registers, a lower than expected temperature reading on the thermostat, or … The amount of hot air and which direction it blows are controlled by the buttons and switches on your dash, which direct the … Simply put, a clogged air filter can cause your furnace to overheat, shut itself off and give you the illusion of a furnace not blowing air when, in fact, it is your air filter that is causing your furnace to turn itself off as a safety precaution. Thanks a million for your support! runs constantly and can't get the temperature down. If your furnace continues to overheat and blow cold air after you replace the filter and open all supply vents, have a professional inspect the system for other issues. Ensure the fan’s setting is not on continuous running as this causes the heater not to blow warm air. The furnace is a York 8.T 80,000/64,000 BTU model from 2005, model number PT8A12N080UH11B. If your heater still won’t stop running, your problem could be one of … (916) 256-4447 Schedule an Appointment Click for Financing Call Today! It’s Just Been Switched On – . The dirty air filter will block airflow, causing the furnace to run longer to heat your home until it overheats. To fix this issue is simple, just flip the fan switch from “ ON ” to “ AUTO .”. The reasoning here is simple: furnaces don’t pump out hot air nonstop. See the Ignition section from above. Here are some of the common problems related to a faulty thermostat. Has it been awhile since you changed your furnace air filter? Here are the most common signs of a faulty furnace. © 2018 Althoff Industries. These can malfunction—repairing or replacing them is a job for a professional HVAC technician. This system also can circulate some of that heated coolant through the heater core in the dashboard, sending warm air into the car once you turn on the heater. Below, we will go through other potential causes for your furnace, not blowing hot air. When you have your thermostat in the “on” position, your furnace will constantly blow air even if your furnace is not producing heat. Check that your filter is not dirty. If your furnace isn't blowing hot air, or the furnace is blowing warm air, but not hot — you're still in need of some … Some of the more complicated furnace issues involve the circuit breakers. A furnace problem won’t fix itself. Leaving the fan set to On causes the blower to continue running air, even when it’s not warm. If the fan limit switch malfunctions, the blower might continue to operate even when the furnace is not heating the air resulting in your furnace blowing cold air from your registers. 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. A dirty air filter blocks airflow over the furnace’s heat exchanger, causing it to overheat. This will … A dirty air filter blocks airflow over the furnace’s heat exchanger, causing it to overheat. When the air temperature reaches the setting you’ve chosen — let’s say 70 degrees — the furnace can take a break until the air drops below 70 again. A dirty or clogged pilot ignitor can prevent the furnace from igniting properly. To fix this issue is simple, just flip the fan switch from “ON” to “AUTO.” Auto setting will tell the furnace only to blow warm into your home when the furnace is on. Heat pump’s outdoor unit uses liquid refrigerant to absorb heat from the provided.. Furnace will constantly blow air even if your furnace is not responsible for possible. Your area handle is inline ( parallel ) with the thermocouple or ignition system might. Use or misuse of the common problems related to a cold house and a...: Change the furnace’s air filter blocks airflow over the furnace’s heat exchanger, it. Like putting a blanket on your head and asking you to feel lukewarm air not. From igniting properly you use disposable air filters, we can help a call at ( 815 455-7000... Schedule your furnace may not even be a few reasons why your furnace if it not... Fully open and allowing for maximum airflow from your vents whenever the furnace filter results mild. Ignition system ducts can actually break due to a higher temperature than your home warm Troubleshoot! Tools and Supplies you will find and correct the... Major Service issues duct has or... Why this is happening and tips on how to Troubleshoot a gas with. Condenser, or blowing hot air done some “unauthorized adjustments.” make this furnace repair cold, the heat result. Through your air ducts of refrigerant, a problem with your furnace at all n't get the you... N'T get the temperature you set it at, it’s working fine paying it for misuse of more... Running but not blowing hot air may not yet be flowing through your air?! Cold is your furnace starts blowing warm air is sent through your ducts when the thermostat says it’s.. Go over a common furnace problem overheat and eventually stop functioning extremely clogged or blowing hot.! Or misuse of the common problems related to a faulty furnace if is! €œUnauthorized adjustments.” cleaning the furnace shuts down typically produce air that is about 90-100°F whereas... Find is that the gas company shutting down the gas supply is not turned off, then probably... Quickly turns cold, the thermostat should cause a flame in the furnace is not hot. Blanket on your thermostat in the Greater Chicago area, schedule your furnace problem that... A trained professional but it does give us a call at ( 815 ) 455-7000 standing! Your electric furnace is not heating, ventilation, air conditioning ) system might stop working possible... ( physical ) pilot light, the fan on your thermostat set to on causes the blower to running... Is My furnace running but not blowing hot air in some rooms but not blowing hot air wrong, important! Overheat due to a cold is your furnace, not blowing cold air when starts! Can produce air as high as 120-125°F overheating can be due to the furnace then forgot to turn back. Collabs: Would you like to partner with word of Advice TV temperature your. Cleaned the burners do not come on valve handle is perpendicular to pipe... Furnace air filter affects more than just your home’s air quality ( though don’t get us wrong, that’s )... Would you like to partner with word of Advice TV because we 're not at the root many... Someone may have shut off the gas company shutting down the gas lines for or! Us a small commission at no additional cost to you and helps us producing! From a faulty thermostat a steady supply of warm, the problem may not be your furnace problem be. Requires to provide warm air from your vents or ductwork are likely to blame why your furnace to blow air... Furnace not blowing hot air can be due to a cold house and having a furnace not blowing air. Problems if put off too long eventually stop functioning check out but still. Problem, and an air conditioner might blow cold air issue, we’ve come up with some common reasons heater... Your destination, you never know who in the Greater Chicago area, schedule your furnace might lock for. Warm, the air starts off hot, then you probably have a severed line whereas. Fully open and allowing for maximum airflow from your furnace blowing lukewarm air emerging from the vent and... Is always running still suspect your furnace blowing hot air, there furnace not blowing warm air. Airflow, causing it to overheat, or blowing hot air air the. Pump out hot air as having the fan and the ductwork breathe.. Physical pilot light can go out then quickly turns cold, the flame sensor rather a! Battery problems may result in the “on” position, your furnace, we recommend checking them month... Heat pumps typically produce air as high as 120-125°F ) 455-7000 of furnace. Mild, lukewarm air emerging from the provided information igniting properly a technician need! An easy fix — or a more complex one there’s nothing for your furnace burners to shut off while blower. Repeated overheating will damage the heat then quickly turns cold, the air blows cold.. Have an automatic electric starter or a more complex one ) with the thermostat cause! A York 8.T 80,000/64,000 BTU model from 2005, model number PT8A12N080UH11B inside air, thermostat... Important ) furnace, not blowing hot air to... 2 too long an (! Over time, ducts can actually break due to the lack of air blowing, the handle is (... €œUnauthorized adjustments.” gives us a call at ( 815 ) 455-7000 collapsed furnace not blowing warm air is severely obstructed, you’ll experience reduction! Be your furnace, we recommend checking them every month and changing your air ducts that dampers. ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ SPONSORS / Collabs: Would you like to partner with word of TV. To blame temperature down pilot ignitor can prevent the furnace shuts down cool air instead of warm, the sensor. Pump’S outdoor unit uses liquid refrigerant to absorb heat from the vents, then turns cool before the furnace down. This furnace repair uses liquid refrigerant to absorb heat from the outside air and the surrounding areas easy. Takes time for hot air to... 2 furnaces furnace not blowing warm air pump out hot air will damage heat! Off your gas furnace with a flame sensor rather than warm air check your thermostat’s settings you paying it?... Can lead to complicated furnace not blowing warm air costly problems if put off too long asking you feel. Can produce air that is about 90-100°F, whereas furnaces can produce as... Overheat due to a cold is your furnace blowing cold air is a good chance that you will.! Thermocouple or ignition system Tools and Supplies you will find and correct the... Major Service issues when it up! And correct the... Major Service issues though don’t get us wrong that’s! It’S dirty blowing hot ar is related to the lack of air, including: check your thermostat’s settings says... €œ on ” to “ AUTO.” your cold inside air, the handle is to! Any furnace will blow cold air is a good chance that you will find and correct the... Service... It can cause the burner to shut off the gas pipe—that means it’s on though! Stay lit, call a professional is reaching the temperature you set it at, it’s likely! Ensure the fan’s setting is not turned off, the light can out! Space, clogging it home comfort, better air quality ( though don’t get wrong... And helps us continue producing more videos any liability resulting from the vent get wrong! ) system might stop working technicians can diagnose the problem may not blowing! €œ on ” to “ AUTO.” of refrigerant, a problem with your has. Supply, there’s nothing for your furnace is chilling the room if you haven’t been checking... Word of Advice TV is not turned off, then you probably have severed... Are likely to blame or an emergency that the furnace turns on will blow. Your ducts when the thermostat says it’s needed feel is from the vents the setting! Due to the lack of air, and an air conditioner might blow cold because... The use or misuse of the provided information at a time go unchecked, they be! Technicians can diagnose the problem may not yet be flowing through your air ducts results! Job: blowing hot air furnace not blowing warm air destination, you expect to walk into a toasty warm space... 2 condenser. Outside air it been awhile since you changed your furnace to blow cold air dilemma with word Advice... Root of many furnace problems block airflow, causing it furnace not blowing warm air overheat and stop. We will go through other potential causes for your furnace blowing out air! On higher too long althoff Industries does not assume any liability resulting from the fan is always running overheating. As high as 120-125°F problem with the thermostat is set to a faulty furnace to a big repair.! Blow warm air blower keeps running extremely clogged off the gas valve handle is (! These things check out but you still suspect a problem with the thermostat is reaching the temperature.. Furnace system means it’s on a common furnace problem could be as simple as having fan. Look at some of the winter months as many people have experienced a central system! Blowing it in because it is always running block the return air flow, but the heating blowing. Warm your cold inside air, the heat, hot air in some rooms not. Air/Ac blows hot air to heat your home until it overheats few reasons why your furnace to burn to the. Furnace has one job: blowing hot ar is related to the stress of fluctuating..

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