There are also more … That cold air mixes with the warm air from your furnace, causing the air coming from your vents to feel considerably cooler than it should. Also known as forced air furnaces, central heating systems distribute heat throughout your home through a series of ducts. 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. The most common type is the furnace or heat pump, which is generally connected to a ducted air system. 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. First of all, cold and warm are very relative terms. Leaks in your ductwork means that cold, unconditioned air from inside your attic gets sucked into your ductwork. Or, if I just let it finish it's period of blowing cold air, then it seems to reset everything properly again by itself. When ever I go up there its just as cold … 6. A dirty air filter blocks airflow over the furnace’s heat exchanger, causing it to overheat. The Heater is Too Big/Small – The heater’s size makes a difference to how well it works. Similarly, air conditioners can blow air as cold as 55 degrees, which is a lower temperature than the cool air from a heat … If yours is the color of mud, it’s a sure sign that it’s time to switch it out anyway. Maybe the sensor that turns the fan off is not working and allows the fan to continue blowing too long. Your furnace is running everything seems fine, but then you begin to notice that the air is not warm at all, in fact, it is downright cold. The first thing you have to do is check to see what type system you own. Heater blowing cold air; Furnace won’t turn on; First, Check Your Thermostat Setting. 1) Test your heat pump’s supply and return air with a thermometer. Or, even worse, you discover that it’s blowing cold air! I don't know anything. The second type is a heat pump. 11. This means that your electric heat strips are not coming on. It could even be running in the air conditioning mode due to a malfunction. Yahoo! Damit Verizon Media und unsere Partner Ihre personenbezogenen Daten verarbeiten können, wählen Sie bitte 'Ich stimme zu.' If your central heating system is blowing out cold air, you'll have to follow these steps to repair it. Clogged air filters could be causing cold air to blow out of your vents. Especially if your furnace is blowing cold air. Have an … Don't panic if you see frost on your outside equipment's coil. The lukewarm air coming out of your furnace can also be the result of leaky air ducts. The simple answer is: We can’t be sure. Why is My Heating System Blowing Cold Air? The first thing you have to do is check to see what type system you own. You may be able to fix the problem yourself if you can diagnose it or at least reduce the time it takes for a professional to repair it. There are a few reasons your heat pump could be blowing cold air. My home central heating is blowing cold air? But all you have to work with are the symptoms. Don't panic if you have a heat pump and if cold air blows out of your duct work for a little while on and off while you run your heat at home. It can also stop the burners from igniting. To solve the problem, try these 2 things: Turn off the heat at the thermostat and check your air filter. There are several types of heaters, but many use central air to heat their home, and when it’s turned on, the home should get warm after the heating system has been running for a while. If your furnace starts blowing warm but then quickly turns cold, the flame sensor may need attention. The result is a heater blowing cold air. Can the Same Thing Be Said of Your Heater? If your central heating is … My central heat is blowing cold air, but only sometimes. Here is a guideline to help you troubleshoot and possibly solve the … More often than not, electric heaters blow cold air when its filters are clogged, and that's why it's the first thing you should check. Have you turned on your heat pump in the fall or winter and wondered, “Why is my heat pump blowing cold air?” A furnace typically puts out air at around 130 degrees, whereas warm air from a heat pump is only a little over 90 degrees on a moderately cold day. Wait a few moments for the cold air that’s already in the ducts to blow through, then see if it starts getting warmer. During the cold winter months the last thing you want to have is furnace problems. Compromised flame sensor. Generally speaking, a heat pump will produce air that is about 55 degrees warmer than the outside air. 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