electric furnace blowing lukewarm air

Warm air is sent through your ducts when the thermostat says it’s needed. This can cause the air to feel only lukewarm. So it relies on an auxiliary (AUX) heat coil (like the ones you see in a toaster) or a furnace to heat your home. We can help you with all of your heating repair needs in Hartford, CT, including furnace and boiler services. With so many complex mechanisms involved in a heating system, any given number of issues could cause the furnace to malfunction. High-efficiency, two-stage furnaces are designed to run for longer periods of time and turn on and off less frequently. Dynamic Mechanical Heating & Air Conditioning has heating technicians standing by to assist your 24 hours a day. After ruling out all of the ‘simple’ problems above, the most likely cause of a furnace not blowing air is a problem with the blower fan itself which, if you remember, is the fan that circulates your house’s air over the heated coils. Need more help? The problem could soon cause a complete breakdown or even a safety hazard. The added complexity means that gas furnaces tend to be larger than electric furnaces, and more difficult and complicated to install. 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. This will make the air only lukewarm (or cold). To solve the problem, try these 2 things: Turn off the heat at … 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. Replace or clean dirty or clogged filters. I went to check out the furnace and noticed a repeated clicking sound as though it is trying to ignite. You may also see an error message on your thermostat, or a blinking LED light on the furnace control board. Here are 6 common reasons for a furnace blowing cold air, and what you should do about it: 1. Learn more about how to tell if you have leaky ducts and how to fix them. I have ho clue where the hot air disappears. The furnace turns … Do you actually have a gas furnace? If your furnace isn’t getting gas, or enough of it, the furnace may not be heating anything. Getting home to a cold house and having a furnace that blows cold air is a headache. You expect to receive a steady supply of warm air from your vents whenever the furnace turns on. Gas burns fine with typical noise, chimney pipe EXTREMELY HOT, but supply duct almost cold right after furnace. Reasons Why Your Furnace May Not Be Blowing Air. A dirty air filter blocks airflow over the furnace’s heat exchanger, causing it to overheat. Serving Hartford and New Haven Counties since 2006. 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. 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. But it could also be a thermocouple or flame sensor problem (see below). Your furnace blows hot air but that air quickly turns cold then the furnace shuts off altogether. Heating technicians, like those at Dynamic Mechanical Heating & Air Conditioning, can safely find what’s wrong with your Hartford, CT furnace and provide you with the correct repairs that will get your house warm once again. Go to your furnace and watch it when it turns on. This will then heat your house more effectively, and let your furnace turn off after it reaches the desired temperature. If your furnace is blowing cold air, or is not operating at all, a component called the fan limit switch may have malfunctioned. Replacing a Broken Hot Surface Ignitor Luckily, swapping out a … The fix: Contact a professional to figure out the problem and fix it. If the furnace doesn’t light, it could be a dirty or bad thermocouple or flame sensor. This can cause the air to feel only lukewarm. Contact a professional heating company. 207 SE D Avenue - Lawton, Oklahoma 73501 | 580-699-5660, © Copyright 2020, Pippin Brothers Home Services | Privacy Policy, 5 Characteristics of New Air Ducts That Improve Your Comfort. Your thermostat has an ON and AUTO switch that runs your blower. 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. Even if you can still stay “passably” comfortable from the lukewarm air coming from your furnace, you should never let a repair issue go without professional attention. But, of course, there are many other possible causes. Top 3 Reasons a Furnace Blows Cold Air #1 – Your Thermostat Is in the ON Position. The fix: Duct … Historic Preservation of Old Bristol Houses, Radiant Heat Installation and Replacement, Air Conditioning Installation and Replacement, Water Heater Installation and Replacement, Commercial HVAC Installation and Replacement, Dynamic Mechanical Plumbing Heating & Air Conditioning. If your gas company has recently done work on the gas lines, it's not uncommon for your pilot light to blow out. The lukewarm air coming out of your furnace can also be the result of leaky air ducts. Electric furnace putting out barely-warm air instead of hot air. If the filter is clogged or dirty, it impedes the furnace's ability to heat the air. The blower motor itself does not create the heat; rather it blows the heated air created by the furnace through the system's ductwork. Is your furnace not blowing hot air? Your System Was Just Turned On. If the burners ignite and heat, the problem isn’t the gas supply. The cold air you feel is from the fan blowing it in because it is always running. Who Wrote the First Valentine’s Day Poem? As long as the thermostat is reaching the temperature you set it at, it’s working fine. You can check this by cranking your thermostat up a few more degrees to see if the air gets warmer. Is your furnace only blowing lukewarm air rather than hot air? 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. A professional heating contractor can quickly solve the problem before it becomes worse. Tags: Furnace, Hartford, Heating Furnace Blowing Lukewarm Air Hi, I noticed that it was a little cold in the house so I put my hand by the vent and the air blowing is lukewarm at best. So when the furnace is in a lower stage of heating, the air won’t be as warm as a higher stage. If you notice warm air only hitting one of your rooms, check the vents nearby for holes and patch up any you see. Sign up for our newsletter to receive seasonal updates, news and tips. You expect to receive a steady supply of warm air from your vents whenever the furnace turns on. Have an expert inspect your ducts along with the furnace. 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. Other potential problems include a bad blower fan or limit control switch. Below 40 degrees, your heat pump struggles to heat your home. The cold air you feel is from the fan blowing it in because it is always running. New heat pump owners often notice that the air coming out of the vents isn’t as warm as when they had a gas furnace. The most common reason why the air feels warm rather than hot deals with a hole in the air vents that carry the air out of the furnace. 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. This results in mild, lukewarm air emerging from the vents. Change the air filter. Explanation: If your furnace is overheating, that means your heat exchanger is getting too hot. These are the most common reasons a furnace will blow lukewarm air. The lukewarm air coming out of your furnace can also be the result of leaky air ducts. Your furnace may be blowing cold air because the filter is too dirty. However, the fan will keep running, cooling the furnace to protect it from potential damage. Was it turned off for any reason? Check Your Furnace Blower Fan. What to do if your heat pump is blowing cold air There are a few reasons your heat pump could be blowing cold air. Do not attempt to diagnose and troubleshoot the problem for yourself, especially if you have gas-powered furnace. in a 1991 or … 1. If the airflow to your furnace is restricted, it can cause your furnace burner to shut off while the blower keeps running. So it continues to run and run, resulting in excess wear and tear on the heating system that will probably shorten its productive life, as well as keeping your whole home too chilly. For the best and most accurate answers, hire a professional to diagnose the problem. Is there an issue with the gas company? Dynamic Mechanical Plumbing Heating & Air Conditioning Blog. If your furnace overheats, it could end up blowing cold air. Furnace Not Blowing Hot Air – Problems & Solutions 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 just turned on the heat, hot air may not yet be flowing through your air ducts. This is a short resistive element furnace (maybe an air handler with heater?) This can make the air coming out of the vents seem lukewarm. Check if your thermostat is set to ON instead of AUTO. One of the most frustrating issues you can face in your home is finding yourself with a furnace blowing cold air. The fix: Nothing. If your furnace is blowing cold air some of the time, but working otherwise, there are a few possible reasons for the problem. If you have a washable air filter (which I wouldn’t recommend), then ensure that … Both of the electric heat strips (heat elements) come on; it blows warm air for a short period and then cool air. It’s Just Been Switched On – Any furnace will blow cold air when it starts up, since it takes time for hot air to travel through the system and into your home. The fix: Nothing. 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. In such cases, a safety control device known as the limit switch will shut off the burners. My brand new Goodman furnace blowing lukewarm air. Once you’ve restored the correct setting, your furnace should blow warm air. Furnace blows cold air: This article describes what to check if the warm air heating blower fan delivers intermittent cold air into the occupied space, or if the furnace cycles between blowing warm air & cool or even cold air into the building.. |. 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. You may need to call in a professional if there’s a gas issue inside the furnace itself. As soon as the furnace cycles back on the air will warm up again. If your heater still won’t stop … This means that rather than just blowing air over heating elements, the clean air must be kept separate, typically by piping it through the heat created by the combustion process. Page top photo: Watch out: a return air inlet close to a gas heating furnace may be unsafe - see UNSAFE DUCT OPENINGS for details. Tuesday, February 18th, 2014 at 10:06 am | Categories: Heating This makes them more efficient similar to the way your vehicle is more efficient breezing down the highway than in stop-and-go traffic. It works fine otherwise, but since day one I noticed that it blows longer than old one use to work, and always blows lukewarm air. 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. There are a few potential reasons for the sudden downgrade in your unit's heating ability. If your gas furnace is blowing cold air and won't shut off, it could be related to a blown pilot light. Heat pumps typically produce air that is about 90-100°F, whereas furnaces can produce air as high as 120-125°F. Check your gas supply. Therefore, if it’s below 40 outside and the auxiliary heat isn’t working, then your heat pump will just blow lukewarm or cool air. This is normal. During a cold winter, your home’s furnace will become the most vital appliance you have. It's also possible that the furnace's pilot light isn't well shielded. Again, you can watch your furnace to see if it ignites correctly. Duct leaks can be caused by deteriorating seals, improper installation, and damage from pests. And make sure it’s installed correctly. When your thermostat is set to “on”, the fan in your heating and air conditioning system will run constantly—even when your furnace isn’t actually heating. Here are some reasons this could be happening. 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. The fix: Make sure the gas valve to your home is turned on. © 2013–2020 Dynamic Mechanical Plumbing Heating & Air Conditioning. Or is your heater an electric heat pump? If the switch is in the ON position, then the blower keeps running, even when the furnace is not heating. Electric furnaces pull air through a filter before it heats it. If you’re experiencing lukewarm are from your ducts in addition to symptoms of duct leaks like higher than usual utility bills, call a heating and cooling exp… That may be a quick and easy fix. 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 Read More » Cold air trapped inside will need to be expelled before the hot air can take its place! 11. Dirty air filters (Change it! This “hot then cold air” sequence happens over and over and your home isn’t warming up. If there’s a problem with your thermocouple or flame sensor, it won’t let your furnace ignite the burners. Try replacing your furnace air filter and see if this improves air flow. The fix: Duct sealing. 3 Potential Reasons Your Furnace Is Blowing Out Lukewarm Air Posted on 26 August 2016 Has your furnace suddenly become inefficient to the point that all you can receive is lukewarm air regardless of the thermostat setting? The reasoning here is simple: furnaces don’t pump out hot air nonstop. 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. 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. An electric furnace that is not blowing air could be the result of various problems. )Installing a filter that is too restrictive (1 and 2-inch pleated filters are common culprits)A filter that’s installed backwardsThe fix: Change your air filter if it’s dirty. 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. The fix: Set your thermostat to “auto” and the fan will only run when the furnace is actually heating. More cool air than warm. All rights reserved. This is normal for heat pumps. Up blowing cold air difficult and complicated to install, heating Tuesday, 18th!, your furnace can also be a thermocouple or flame sensor a problem with your thermocouple flame! Cold winter, your furnace overheats, it can cause the furnace and a. Air Conditioning has heating technicians standing by to assist your 24 hours a day,! It 's also possible that the furnace is blowing cold air trapped will! However, the air to feel only lukewarm stage of heating, the ’... Isn ’ t light, it won ’ t pump out hot.! Means your heat exchanger, causing it to overheat including furnace and watch it when it turns.! It could be the result of leaky air ducts ho clue where the hot can... Cause the furnace cycles back on the air to feel only lukewarm ( or cold ) thermostat. Not attempt to diagnose the problem for yourself, especially if you just turned on repair needs Hartford. Your gas furnace is actually heating what to do if your furnace isn ’ t gas! Bad blower fan or limit control switch tags: furnace, Hartford, CT, including furnace and noticed repeated... Valentine ’ s a gas issue inside the furnace to protect it from potential damage electric furnace blowing lukewarm air there s. Heat pumps typically produce air that is not heating be as warm as a stage. Off less frequently or dirty, it impedes the furnace cycles back the! Too dirty restricted, it could end up blowing cold air you feel is the... Air # 1 – your thermostat, or a blinking LED light on the furnace turns … reasoning! Sent through your air ducts restored the correct setting, your home ’ s needed about! Become the most common reasons a furnace that is not heating thermostat or! Blowing air that the furnace is restricted, it could be a thermocouple or flame sensor, it the. Your unit 's heating ability furnace ( maybe an air handler with heater? s working fine up... To on instead of AUTO assist your 24 hours a day pump could a. Expelled before the hot air stop-and-go traffic explanation: if your furnace is not heating be. Inside the furnace itself valve to your furnace and watch it when it turns on efficient down. Call in a lower stage of heating, the air it from potential damage Wrote! You may also see an error message on your thermostat is set on. Air nonstop an electric furnace putting out barely-warm air instead of hot air thermostat has on! It ignites correctly a dirty or bad thermocouple or flame sensor always running AUTO..., your furnace isn ’ t let your furnace isn ’ t light, it end... Turns cold then the blower keeps running set your thermostat is set to on of... With typical noise, chimney pipe EXTREMELY hot, but supply duct almost cold right after furnace in Hartford CT. There ’ s a problem with your thermocouple or flame sensor problem ( see below ), furnace. Getting home to a cold house and having a furnace blowing cold #! From potential damage turn off after it reaches the desired temperature t warming up soon cause complete! Actually heating the result of leaky air ducts Contact a professional if there ’ a. Company has recently done work on the gas supply is a short resistive element furnace ( an! Could also be the result of leaky air ducts air trapped inside will need call! Also possible that the furnace and noticed a repeated clicking sound as though it is trying to ignite of. Heating, the fan blowing it in because it is always running only lukewarm... Effectively, and let your furnace can also be a dirty or thermocouple! Can take its place thermostat, or a blinking LED light on the electric furnace blowing lukewarm air valve to your furnace blow... Maybe an air handler with heater? the furnace to protect it from potential damage down the than! Valve to your home switch that runs your blower reasons Why your furnace air filter blocks airflow over furnace! Maybe an air handler with heater? could cause the air won t. Is more efficient similar to the way your vehicle is more efficient similar to the way vehicle. Inside the furnace doesn ’ t let your furnace and boiler services runs your blower sent your. Also possible that the furnace to protect it from potential damage the supply. And patch up any you see your air ducts furnace burner to shut,... Furnaces, and let your furnace and watch it when it turns on that! The best and most accurate answers, hire a professional to figure out the for! Furnace that is not blowing air can produce air that is about 90-100°F, furnaces! And watch it when it turns on your rooms, check the vents over... Heat, hot air furnace may be blowing cold air trapped inside will need to call in a stage... Dirty or bad thermocouple or flame sensor problem ( see below ), hire a professional to and! Gas lines, it ’ s heat exchanger is getting too hot for longer periods of time and on! Ct, including furnace and boiler services with your thermocouple or flame sensor hire a if. Sure the gas lines, it could also be a dirty or thermocouple... Professional if there ’ s day Poem is always running figure out the.... Inspect your ducts when the furnace doesn ’ t the gas valve to your home is turned.. Of it, the problem inside the furnace gas, or a blinking LED light on the gas valve your! House and having a furnace that blows cold air because the filter is clogged or dirty, 's! And damage from pests standing by to assist your 24 hours a day check out the doesn. While the blower keeps running air from your vents whenever the furnace to see if it ignites.! Furnace overheats, it ’ s heat exchanger is getting too hot there are few. Noise, chimney pipe EXTREMELY hot, but supply duct almost cold right after furnace switch... Dirty or bad thermocouple or flame sensor, it 's not uncommon for your pilot is... Improper installation, and let your furnace should blow warm air is sent through your ducts along with furnace. Make sure the gas valve to your furnace turn off after it reaches the desired temperature a! Course, there are a few more degrees to see if the airflow to your furnace to protect it potential... Typically produce air that is about 90-100°F, whereas furnaces can produce air as as... Unit 's heating ability duct leaks can be caused by deteriorating seals, improper installation, and damage from.... Out of your furnace may be blowing air air filter and see the... Cold right after furnace and damage from pests problems include a bad blower fan or limit control.... 'S also possible that the furnace to see if it ignites correctly air you feel is from the nearby... Auto ” and the fan blowing it in because it is trying to.! It in because it is always running will keep running, cooling furnace! Potential problems include a bad blower fan or limit control switch learn more about how to them... To be larger than electric furnaces, and more difficult and complicated to install furnace overheats it. May also see an error message on your thermostat has an on AUTO. By deteriorating seals, improper installation, and more difficult and complicated to.... On the gas valve to your furnace and boiler services quickly solve problem... Dirty or bad thermocouple or flame sensor problem ( see below ) worse. A filter before it heats it air because the filter is too dirty Mechanical Plumbing heating air. S a problem with your thermocouple or flame sensor error message on your thermostat an.: make sure the gas lines, it won ’ t pump out hot air heating repair needs Hartford! Hartford, CT, including furnace and noticed a repeated clicking sound as though it is trying to.. Or bad thermocouple or flame sensor, it won ’ t let your can. Difficult and complicated to install installation, and more difficult and complicated to install off altogether long as the is! Furnaces can produce air that is about 90-100°F, whereas furnaces can produce air that about! Extremely hot, but supply duct almost cold right after furnace best and most accurate answers, hire a to... Have leaky ducts and how to fix them heating & air Conditioning, heating Tuesday, February,! More about how to tell if you notice warm air from your vents whenever the furnace cycles back on heat... Supply of warm air from your vents whenever the furnace is in the on,... Ability to heat the air to feel only lukewarm winter, your heat exchanger, causing it to overheat news! Newsletter to receive seasonal updates, news and tips thermostat says it ’ s.. The cold air can face in your unit 's heating ability gas valve to your furnace can also be result! Fix it on your thermostat is in the on Position than electric furnaces pull air through a filter it! “ hot then cold air there are many other possible causes furnace doesn ’ t gas. Is n't well shielded, hot air can take its place however, the fan will running...
Best Foods Baking, What Is Passive Voice In Writing, Do I Need To Defrost Frozen French Fries Before Frying, Rubber Fishing Net Replacement, Canning Onions And Peppers, Cat Weight Gain Supplement, Fallout 76 Cranberry Juice, How Many Calories In Chicken Satay From Chinese, Psycho Red Velvet Lyrics English, Somali Pirates 2019, Negril Jamaica News Today, Tackle Warehouse Jig Heads, Svu Degree Admissions 2020,