heater blowing cold air in house

Their improper installation thus led to the air conditioner blowing hot air. 7 Reasons Your Heater Blows Cold Air/AC Blows Hot Air. Think dry skin, chapped lips, and static electricity. Your furnace may be blowing cold air because the filter is too dirty. There could be two possible causes for this: The thermostat fan is set to “ON” The fan in the furnace is responsible for blowing heated air through the vents. Call a professional for inspection and repairs. The previous owners in our friend’s house probably realized their heat pump was failing, so they rewired the system in a convoluted way to get around the problem, rather than deal with it properly. You might even try turning your circuit breaker off and back on. If it is set to “ON”, it will continue blowing air even if … Motors that turn the fans and make the conversion process from warm to cold (or cold to warm) work right can get old and rusty, or break down for other reasons. Airflow Issues: Another possible problem is the accumulation of dirt and debris inside of ductwork which can slow down airflow. It could be that your heater is working just fine. Third – hire a professional. If your furnace starts blowing warm but then quickly turns cold, the flame sensor may need attention. If that happens, your heater (or AC) will not produce the temperature of air you want it to. Why tell this story? Heat Pump Blowing Cold Air | Refrigeration Heating Troubleshooting. Once the heat exchanger cools down, your furnace will try again to warm your house (and will likely repeatedly turn on and off). If your heater was blowing lukewarm instead of cold, a thermostat that was stuck open would have been a potential cause. Second – test out the simple explanations. During the cold winter months the last thing you want to have is furnace problems. Rebecca, if I were close to where you live, I would come out and take a look at your system and tell you what was wrong and repair it for you. Heat Pump – If a heat pump is blowing cold air, its auxiliary heat strips might be malfunctioning or the level of refrigerant might be too low. I've never seen such a thing. Check the thermostat. The fan switch is “on” and the thermostat setting is below the actual temperature; The fan is dispersing this air after shutdown; There may be a loose wire coming from the elements; The heater element may be defective The house stays at a constant 72 degrees (what it's set at), but I'm afraid that the unit may be in need of repair or replacement, or that it might be using more energy than necessary. His heat pump was starting up and then shutting off immediately, and the emergency heat was taking over. You can follow any responses to this entry through the RSS 2.0 feed. The blower keeps blowing to cool the furnace down to a safe level. They worked around a failed heat pump by making the emergency heat the main heat. When he had a professional look into why this was happening, he learned it would be an expensive repair job on an outdated heat pump. If you find that your heater isn’t producing warm air, check the thermostat. Well this happens sometimes and a few things can be the cause. That way, your blower won’t run 24/7 and thus send cold air through the vents if the room … This was part of the problem our friend was dealing with. 6. Hence the hot air. That’s what our friend’s former homeowners appear to have done. If so, your heat pump is blowing warm air that just feels cold to you. The heater’s blowing cold, or the AC is blowing hot. Though on closer inspection, the heat seemed pretty weak. 11. Otherwise it has to work a lot harder just to pull the air, which means you’ll get less warm air coming out than you should. 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. These 5 fixes can solve most furnace problems without you needing to pay for a repairman to come out. If you need a professional and you live in our service area, we’d love to help. If your heater is blowing warm air but that air is venting into the attic or mixing with colder air from your attic, then the result will be that your heater is blowing cold air. Below are some reasons you may be getting a blast of chilly air and how you can warm up your house as soon 1as possible. So, when the new homeowner called an HVAC specialist (not us, because he was outside our service area – click here and scroll down to see if you’re in it), he learned what was really happening. There are many reasons an HVAC (heating, ventilation, air conditioning) system might stop working. There are two different system types: forced air duct systems that push warm air with the aid of a blower into the system and vents, and gravity furnace systems that use convection currents to circulate the warm air. When he turned on the heater, the outdoor unit didn’t seem to be working right, but the indoor unit, an air handler, came on and seemed to heat the house. When your furnace isn’t running, the air in your ducts cools down. The Heater is Too Big/Small – The heater’s size makes a difference to how well it works. But all you have to work with are the symptoms. Electric heaters require power. Changing the air filter can possibly fix the cold air problem, but only if that’s the only problem that is keeping the heat from blowing hot air as opposed to cold air. If you are unsure if your location is within our service area, please contact us to find out! If energy efficiency is as important to you as heating or cooling your house, making sure you have a clean air filter is a critical troubleshooting and maintenance step. In extreme cases, low humidity can even crack wooden furniture. I have no idea what information would be helpful in figuring this out, so feel free to ask for what you need. An electric heater that blows cold air could be caused by one or more of the following reasons: The manual reset has tripped. Changed the air filter Changed the thermometer to the ecobee 3 (old one was a honeywell started malfunctioning) Would calling a pro be pricey? The most common type is the furnace or heat pump, which is generally connected to a ducted air system. Because it illustrates just one of many reasons why a heater might blow cold air, and an air conditioner might blow hot air. (This problem depends in part on the type of thermostat, of course). Compromised flame sensor. Because it illustrates just one of many reasons why a heater might blow cold air, and an air conditioner might blow hot air. The dirty air filter will block airflow, causing the furnace to run longer to heat your home until it overheats. You might be able to tell if your ducts have a leak, but fixing them is another issue. These simple fixes might solve the problem, saving you lots of trouble, frustration, and expense. Not in our service area: Granite Falls, Lake Stevens, Marysville, Renton. The Fan Is Off . Maybe it got shorted out. If you clear any debris or blockage and the problem persists, you could have a faulty heating element. Click the link below, scroll down to see if you’re in our service area, and if you are, tell us what’s going on with your HVAC system. A system error in the controls of the heat pump was forcing an automatic system shutdown just seconds after it started. An electric heater that blows cold air could be caused by one or more of the following reasons: The manual reset has tripped. If you turn it up and the air blowing through you house is still cold, then this isn’t the cause of the problem. But all you have to work with are the symptoms. Especially if your furnace is blowing cold air. But, when it's running - just occasionally, and I guess it's when it's heating the water - it creates freezing cold air. Sometimes this happens simply because your batteries have died. Situation #1: When the heater blows warm air for a while and then blows cold air. If your furnace is blowing cold air some of the time, but working otherwise, there are a few possible reasons for the problem. You can hear it blowing, but no heat is coming out. First – make it worse. CAUSE: Another common reason for room heater not blowing hot air is broken heater coil. The thermostat’s fan is set to ON. If your heater is blowing warm air but that air is venting into the attic or mixing with colder air from your attic, then the net result will be that your heater is blowing cold air. There are other reasons your heat pump could be blowing cold air instead of heat, but those are the basics. There are many reasons an HVAC (heating, ventilation, air conditioning) system might stop working. Have you cranked up your thermostat to knock the chill down only to discover that your heater is blowing out cold air. Have an expert inspect your ducts along with the furnace. 3 Reasons For Heater Blowing Cold Air In House. What to do: 1. Why is the heater blowing cold air from the vents - YouTube Again, this depends on your specific type of thermostat. 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. This cycle must be completed a few times before air from the heater can successfully warm your home. Do I Really Need to Clean My Gas Fireplace. Another common problem is when air gets into the cooling system. 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. But a dead circuit board ends your furnace’s attempt to heat your house real quick. Air Conditioning Installation & Replacement, heating repair, installation and replacement, air conditioning repair installation and replacement, Radiator Warning Signs You Shouldn’t Ignore. Even more strange, the previous owners had rewired the system somehow so the air handler came on every time, even for air conditioning. If your ducts have cracks or worse, then the cold air blowing into your house might be coming straight from outside right into your ducts, mixed in with the warm air your perfectly functional furnace is producing. Electric Furnace. Check the air filter. Meanwhile, you’ll get cold air because the fan continues to run as a safety measure, even after the furnace isn’t producing heat. And, it increased their heating costs a ton, because the air handler is a far more expensive way to heat a house than the much more efficient heat pump. The wires together work as a complete circuit and in case any of them snaps from the constant heating and then cooling then the circuit may get broken and may stop giving off heat. Thank you very much in advance. When a heating cycle begins and your air handler turns on, that cool air will blow out of your registers before warm air does. The last five items on the list above require a professional or a new furnace or heat pump to fix them. All Rights Reserved. If your heater turns on but it’s blowing cold air, turn it off and check to make sure there’s nothing obstructing the blower. There are many issues that can cause your heater to blow cold air. 1) Change the furnace’s air filter if it’s dirty If you have an older furnace, then it’s possible that the pilot light has gone out. Check your air filter. When this occurs, your furnace can’t heat the air like it’s supposed to. That was tripping on the air handler, which was supposed to be only for emergency heat. This rendered the AC useless. The harder it has to work to pull air through the filter, the less efficient it will be. To troubleshoot a misbehaving gas furnace, start with the easiest explanations and solutions, then work your way to the most complicated. Here are just a few things that could mean: Seems silly, but you’d be surprised how often this has happened. If your heater is blowing cold air, and it’s not one of the first two possible explanations on this list, then you’ll need a specialist to at least come and take a look. Likewise for the air conditioner. Make sure the thermostat is set to “AUTO”, not “ON”. There are a few reasons your heat pump could be blowing cold air. To protect the heater from malfunctioning altogether, engineers embed automatic limit switches that are responsible for turning the heat-generating furnace off. Check the Pilot Light on Gas Furnaces. Check to make sure that your gas supply line valve is open. Your heater has to first collect and compress the air in your home, then heat it and expel the cold air. 1.Your Heater hasn’t had time to warm up. Maybe it just died of old age or malfunction. When set to “ON” the fan … So what causes the furnace to overheat? 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. My heater stopped blowing hot air throughout the house what could it be ? This field is for validation purposes and should be left unchanged. Why Is My Furnace Blowing Cold Air Sometimes? Since the heater core is often the high point in a cooling system, air can move into it … Problem: Heater is blowing cold air. If my closet door is open, it feels like a freezer door is open an there's a fan blowing cold air … Why tell this story? This entry was posted If the filter looks like the filter to the right in the picture below, replace it. For a heat pump or heater to produce warm air, air must flow easily through the filter. So if you feel the air blowing out of the vents while the furnace is off, the air … The Pilot Light Has Gone Out. Both comments and pings are currently closed. Verify that the circuit breaker controlling the system has not tripped. Tripping on the heat seemed pretty weak quickly turns cold, or the AC blowing... You have to do is check to make sure that your heater blowing... Heat was taking over possible problem is the accumulation of dirt and debris inside of ductwork can. 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