I can fix it by turning off the system and resetting the circuit breaker, but it gets pretty cold in my h … read more. An HVAC technician can help you with the sizing. If the heating system is too small, it won’t warm your house efficiently. There can be a multitude of reasons that your Furnace is blowing cold air. When it gets cold enough outside that you need to turn on your heating system, the last thing you expect is to find that your furnace is blowing cold air. To see how we can give your home back to you, come request a quote today! In other words, it's not putting out any heat at all. Your ducts are usually in the attic and outside of your insulation, exposing them to the bitter cold. Whether the systems function by gas or electricity, they still perform similar operations: burning fuel or taking in electricity to convert into heat. Even if you are not a DIY home technician, there are generally only a few reasons why your heater might be blowing cold air. This can cause the air to feel only lukewarm. 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. If your furnace seems to be blowing cold air, it could be a problem with the ignition system. You may not run the fan during the summer since it can make a lot of noise, but you do need to switch it to the “auto” setting when it’s time to use the furnace. Although this doesn’t happen too often, it’s something that is a possibility, especially in homes where the air filter hasn’t been changed for many months or even years. Unfortunately, you might have to go back to the manual and check on the controls. Bill. If your car heater is suddenly blowing out cold air instead of heat in the middle of a bitterly cold winter, you have a good reason to be frustrated. However, you will have problems if that continues into the colder seasons. A good home is a happy place. Why does the furnace quit on the coldest day of the year and always on a weekend? The air coming from your supply vent should be anywhere from 15-30 degrees hotter than the air near your return vent (depending on how cold it is outside). When they fix the connection, you should be as good as new! Call a professional for inspection and repairs. Particularly if you have an old heater. If your heater is blowing cold air, then there are multiple possible causes for the issue. It may have been closed during the summer for safety reasons. When it’s cold outside, the last thing you want to find is cold air coming out of your furnace when it’s supposed to be heating your home. Save my name, email, and website in this browser for the next time I comment. In older models, verify that the pilot light is lit. We use cookies to give you the best possible experience on our website. Here’s another example: you may be dealing with a clogged filter. Brrr! Like most edenpure heaters, the GEN4 is designed to circulate air in your environment every few minutes. When the thermostat stops calling for heat, the furnace will turn the electric heating coils off, but allow the fan to continue blowing air until the coils cool down. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. These are the most common culprits when it comes to electric heater troubleshooting if your heater is blowing cold air. The electric heater never reaches its set temp, because it is consistantly blows cold air, we have had every component switched, and the thermostat changed, re-set, and checked. The last thing you want to deal with during a cold winter day is a nonfunctioning heater, especially if the temperature has dropped beyond zero. 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 you may even hear your air conditioner running outside. Check your thermostat setting; it may have rebooted to a lower temperature setting. If you’re wondering “why is my heater blowing cold air?” then the chances are that you need to speak to a professional. If the airflow to your furnace is restricted, it can cause your furnace burner to shut off while the blower keeps running. When the sensor detects hot air from the furnace, the sensor helps keep the hot air coming for as long as you need it. If that sensor is dirty or malfunctioning, though, there can be a major issue. While any HVAC problem is annoying, fixing this issue is easier (and cheaper) than fixing most mechanical problems. We specialize in keeping the Sunshine State warm even during the winter. Meanwhile, you’ll get cold air because the fan continues to run as a safety measure, even after the furnace isn’t producing heat. This website uses cookies to improve your experience while you navigate through the website. Electric heaters require power. We feel your pain! Don’t worry: we’ve outlined some of the most common causes of the problem below. My car is over heating and heater blowing cold air changed thermostat not leaking any fluids no fog or wet floor it only over heated once then i parked it could this still cause sirious damage. The air will basically go cold as soon as you turn the furnace on. You’ve got three basic options. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. If your furnace is blowing cold air some of the time, but working otherwise, there are a few possible reasons for the problem. Maybe the sensor that turns the fan off is not working and allows the fan to continue blowing too long. On a cold and frosty morning, as you head out, there's nothing quite as comforting as the warmth and comfort of your car. share | improve this answer | follow | answered Mar 18 '17 at 8:20. Either way, this is a problem you can fix by ringing up the company. Electric Furnace . 6 years college. Without that, you’re not going to feel anything when you turn the heater on. A flame sensor that’s covered with grime or worn out can cause the burner … It may be time to evaluate the size of the heater for the job at hand. Why Is My Heater Blowing Cold Air? The honest answer is that it depends on what the problem is. Well, if your furnace is blowing cold air, it’s most likely due to one of these problems: Your thermostat settings need to be adjusted You have leaky air ducts Your fan limit switch settings need to be adjusted There are a few reasons your heat pump could be blowing cold air. The result is a heater blowing cold air. Reasons Why Your Furnace Might Be Blowing Cold Air The Thermostat is Set Incorrectly Symptoms. Good to Go. It’s human nature to expect a simple explanation for a major problem. Why is this happening? Have an expert inspect your ducts along with the furnace. If your furnace is the wrong size then you will need to get a new furnace. Whether this problem is even possible comes down to how old your house is. In all likelihood, there was an issue with the connection to your home. We also had the element checked at an appliance shop. Such as; Check your thermostat setting; it may have rebooted to a lower temperature setting. This may be due to several reasons, such as a faulty battery, electrical power outage if it is hard wired, software update if it is Wi-Fi enabled, or by human interference. Alternatively, they may have experienced a computer or clerical error that made them think you haven’t paid yet. Have you inadvertently set a timer that has turned the thermostat down to a certain temperature? So when it’s time to turn on the heater, the last thing you want is for it to blow out cold air. However, the light typically only goes out in older homes. No need to panic; this is easy to handle and there could be several reasons as why your electric heater is blowing cold air. 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. A dirty air filter blocks airflow over the furnace’s heat exchanger, causing it to overheat. Why Is My Electric Fireplace Blowing Cold Air? 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. 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. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. The Heater is Too Big/Small – The heater’s size makes a difference to how well it works. If you have a heater blowing cold air then you might feel incredibly stupid if it is because of the thermostat settings. The flame sensor’s role is to inform your heater to turn on and heat the air that is passing through. Copyright © 2020 Florida Heat & Air, Inc. - All Rights Reserved. Alternatively, they may have experienced a computer or clerical error that made them think you haven’t paid yet. Check to make sure that your gas supply line valve is open. It’s easy for most users to change an air filter or adjust the thermostat. The fan, however, may keep on rockin’, causing that cold air to blow. Unreliable car heaters can make the cold winter months practically unbearable. In older models, verify that the pilot light is lit. So, if your home was built within the last decade or so, the pilot light is unlikely to be the cause of your problem. Here are some of the main reasons your heater can start blowing cold air. A wire may also be loose or the thermostat on the fireplace may simply just be set to below room temperature. First, have them verify that your payment is in good standing. What to do if your heat pump is blowing cold air. If it’s dirty, change it! If your model has that feature, check to see if the heater is on the fan only setting. When the weather turns especially cold—as has been the case this year in Sacramento and much of Northern California—we often get calls from customers reporting that their heat pump-powered heating systems are blowing cold air through the vents, no matter how high they turn the thermostat. It all comes down to a special flame sensor. 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