If you clear any debris or blockage and the problem persists, you could have a faulty heating element. If parts need to be replaced, including the pilot, then this must be done by a professional who knows how to fix and maintain furnaces. This is normal for heat pumps. The unit may not be working correctly, and since there are so many things that can go wrong with a furnace or an HVAC unit, it’s best to let a specialist take a look at it to determine what the problem is. Seems to work only when it is not very cold. You should also clean the cold-air returns. They also use auxiliary heat strips if the outside temperature is extremely cold. However, if you are going to undertake the task yourself always remember to shut off the electricity or gas flowing into the furnace for your own safety. 1995-2018 MH Sub I, LLC dba Internet Brands. When I turn the a/c to heat. If your heater was blowing lukewarm instead of cold, a thermostat that was stuck open would have been a potential cause. home improvement and repair website. Less commonly, if you have a duel-fuel system (heat pump/gas furnace combination) the heat pump will warm your home … As a result, you end up with cold air venting out. The furnace turns on/off repeatedly. Electric Heater Blowing Cold Air: Problems and Solutions Troubleshooter 1 of 6: No Time To Warm Up. Compromised flame sensor. When put on fan, it … read more Here’s the downside of a heat pump: The warmth of the air it produces is entirely dependent upon the outside temperature. More cool air than warm. Generally speaking, a heat pump will produce air that is about 55 degrees warmer than the outside air. As your oil or gas-powered furnace heats the air, condensation is created. Below freezing, your heat pump simply can’t draw enough heat from the cold air outside and will kick on its auxiliary heat mode to generate heat for your home. A dirty air filter that is too clogged up will restrict the airflow in the heater, and it’s possible that if it’s restricted enough, it will cut off the burners that heat the home and cause it to pump out cold air. Items in red usually require a service call. Are you doomed to stay in cold conditions through the winter? View our Privacy Policy here. There are several things that can be wrong with the thermostat that may be causing it to blow cool air instead of warm air. The thing to remember about air filters is that they must be changed periodically, which is typically every three months unless the heater isn’t being frequently used. To find out if your heat pump is actually blowing cold air, hold a thermometer up to the supply vent (the ones that blow out air) then hold it up to a return vent (the ones that suck air in). It's a Rheem central air. There are a few reasons your heat pump could be blowing cold air. A dirty flame sensor. You may freely link Any specialist will tell you that a furnace or an HVAC unit should be maintained every single year. The Heater is Too Big/Small – The heater’s size makes a difference to how well it works. 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. Of course, any central residential HVAC system is supposed to provide cool air when it’s warm outside and heat when the outside temperature drops. A dirty air filter can block airflow over your furnace’s heat exchanger, which can cause it to overheat. The Heater is Too Big/Small – The heater’s size makes a difference to how well it works. The thermostat is so important to any heating source in a home that has central air, whether it’s a furnace or an HVAC system. Your heat pump might not actually be blowing “cold” air. Due to their design, heat pumps blow colder air than gas and electric furnaces. First things first, check if the cold air is blowing right after the heater is turned on. One of the most common causes of a furnace blowing cold air is not actually a repair at all. 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. If your furnace starts blowing warm but then quickly turns cold, the flame sensor may need attention. The gas furnace must have the pilot lit, which is absolutely imperative if the fuel or gas to the furnace … If your furnace fan is set to ON, the fan runs continuously, whether or not your furnace is producing heat. Ensure that your thermostat is set higher than the temperature in your home. Here are some common reasons why a heater may blow fresh air: Some infrared space heaters have a fan only setting which will enable the user to use the radiator as a fan. Also, make sure the thermostat is set to “auto” for the fan selection, instead of “on” because the "on" selection will only run the fan with no heat, which means that you'll only get cool air from the vents instead of warm air. The Heat Pump Defrost Cycle Explained. T6 pro t stat honeywell.... central air with baseboard heating system. If it’s a particularly cold day or night, your heat pump might just be blowing air that’s cooler than your body temperature, making you think it’s cold. 6. Top Reasons Central Heat doesn’t Work. Questions of a Do It Yourself nature should be This might sound crazy, but a heat pump can be working just fine even if the air feels cold. Depending on the size of your home, it may take about half an hour to an hour of running the system to get the home to a comfortable temperature. The fan blows fine. I have plenty of propane but the unit will not kick in to create heat when on auto. Before you can order the parts you need, you will want to check the unit thoroughly to detect the source of your problem. If this is the case, you’ll have to replace it with a part that has the same voltage and wattage. It seems pretty warm, but 80 degrees is much cooler than the average body temperature (98.6 degrees Fahrenheit) and could feel like cold air blowing into the home. What to do: Go to your thermostat. Common filter problems that restrict airflow include: Dirty air filters (Change it!) There are two possible routes here, one of which many homeowners who are new to heat pump systems encounter. 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. For gas heating systems, check the flame of the furnace, which should be a clear blue. submitted to our "DoItYourself.com Community Forums". Call a professional for inspection and repairs. All heat ducts are open. Two Reasons Your Heat Pump Is Blowing Cold Air. Central heating systems are made of a single centralized furnace in your house, generally located in the garage or basement. date: 23.02.2012 AUTHOR: puzealog Electric central heat blowing cold air Heating, Air Conditioning, Fridge, HVAC: electric heater blowing. 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. Here are just a few things that could mean: 1) Dead Batteries in Thermostat. Electric central heat blowing out cold air any clues as to why would be greatful A dirty air filter blocks airflow over the furnace’s heat exchanger, causing it to overheat. To solve the problem, try these 2 things: Turn off the heat at the thermostat and check your air filter. A short circuit may cause them to overheat. Most electric heaters have dual settings, and if your heater blows both cold and warm air at different times, you should check your thermostat. As long as the thermostat is reaching the temperature you set it at, it’s working fine. problems contact webmaster@doityourself.com. If these strips malfunction, the heat pump will blow cold air. Wait a few moments for the cold air that’s already in the ducts to blow through, then see if it starts getting warmer. The gas furnace must have the pilot lit, which is absolutely imperative if the fuel or gas to the furnace is going to be ignited to bring warmth to the home. I have a electric central heating system for some reason it is not blowing hot air. Since the heater core is often the high point in a cooling system, air can move into it and become trapped. When your heat pump sometimes blows cold air even when the setting for heat is on, it’s an alarming problem and depending on the cause, a common enough one. Again using Occam’s Razor, we can assume that the next likely culprit for your heater blowing cold air is your thermostat. The furnace blowing cold air, or there is no heat in the house. Replace or clean dirty or clogged filters. Call a professional for inspection and repairs. First of all, cold and warm are very relative terms. Or the gas line isn’t supplying enough gas to your furnace. Heat pump is really blowing cold air: Now, what if the heat pump really is blowing cold air? CA The blower motor itself does not create the heat; rather it blows the heated air created by the furnace through the system's ductwork. It will make all our explanations make way more sense. The biggest advantage of installing a warm air heating system is the fast direct heating of air which goes directly where it is needed via ceiling grilles, side wall registers or floor grilles at a comfortable speed. The furnace generally has an exhaust system that gets rid of any fumes. Especially if your furnace is blowing cold air. It could even be running in the air conditioning mode due to a malfunction. When cold air flows instead of warm air, you could have obstructions in your vents, found both inside and outside your house. The hot air is eventually blown in the house through ducts and vents. 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. If you find that you go to bed comfortable and wake up freezing because instead of your heater delivering warm air, it's blowing cold, it might be because the condensate drain has frozen. I have a forced hot air system that's about 10 years old. Your furnace can then trip a high limit switch which will, in turn, cause the furnace burners to shut off so that the heat exchangers don’t crack. Best Answer: It is probably warm air, but feels cool coming out (mine does that) but the temp of the house is what you should really be looking at. Copyright© When that happens, the furnace will blow cold air. 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. (AC is blowing Warm Air Instead of Cold Air). The fan setting on your thermostat has two options, “on” and “auto”. Once you are done, use the hand-held vacuum to remove any dirt left. Heating . It blow out cold air.. heat blowing cold air. Basically, the furnace isn’t lighting the fuel, meaning it can’t heat your home, either. Details Electric central heat blowing cold air Heating, Air Conditioning, Fridge, HVAC: electric heater blowing. share | improve this question | follow | edited May 9 '18 at 14:32. isherwood. Just like in the summer, the system requires the proper level of refrigerant. Heat pumps usually produce air that is 85-92°F. These are a few of the simplest methods for troubleshooting your central heating system. It’s possible that some parts may need to be replaced in the unit, especially if it hasn’t been maintained over the years as it should be. For vents found inside the house, look for any furniture that might be blocking the vents. I turned on the heat and the air … Those without fans or with faulty fans can make use of external fans to help circulate the heat or repair the fans. It also may be necessary to determine if there’s a problem with the pilot itself, with the ignition for the pilot, with the gas flowing to the pilot, or with the furnace itself. Most parts can be ordered directly from the manufacturer and installed quickly and easily. If this cold air does not warm up even after an hour of switching the heater, then you may have a serious problem at hand. 11. Why is your heater blowing cold air? DoItYourself.com®, founded in 1995, is the leading independent There’s a problem with your filter. 1.Your Heater hasn’t had time to warm up. Your thermostat has an ON and AUTO switch that runs your blower. 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. Below is a list of possible causes. Gently replace it with a new filter. There is a new motor ... 5 Tips for Cleaning Your Central Heating... 5 Tips for Cleaning Your Central Heating System. An electric heater and a gas furnace blowing cold air will be exactly the same, heater to kick on frequently throughout the day, increasing your energy costs. Problem: Heater is blowing cold air Noise with blower on heat since A/C upgrade. On some thermostats there are two switches that allow you to pick “heat” or “cool,” but you still have to turn on the system with the other switch, so make sure both switches are in the correct position to get heat to the home. The defrost cycle of a heat pump is its way of trying to operate efficiently... Read more » Heating . You see, a heat pump heats your home by moving heat from the outdoor air into your home. Many people have experienced the very uncomfortable and inconvenient phenomenon of a system blowing warm air … If, after a few things can disappoint you more than a heating ends! Lighting the fuel, meaning it can ’ t supplying enough gas to furnace. 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