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). After 30 minutes, check the temperature again. Here’s why: The vent air’s temperature might be below your body temperature (which is about 98.6°F). Just contact us and we’ll send over a tech immediately. Get help with your home improvement projects. Defrost mode basically means your heat pump temporarily switches to cooling mode. These include the return-air registers inside of your home or in the air-handler cabinet area of your heat pump. It will also need to be replaced by a technician. And because the heat pump switched to cooling mode, it will blow cold air into your home for a few minutes. For example, when the outside temperature drops to 20 degrees, heated air from your heat pump might drop to 85-90 degrees, which is plenty warm but when compared to our average body temperature (98.6), 85 degree air can feel cold. They also use auxiliary heat strips if the outside temperature is extremely cold. The compressor in an air conditioner cools the coolant in your system that then draws heat out of the air. Phone: (651) 228-9200 When in defrost mode, a heat pump may blast cold air from its vents for 1 or 2 minutes (before the backup heat kicks in). Unlike a traditional furnace that generates its own heat, a heat pump transfers air from the outdoors and vice versa. 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. If so, your heat pump is blowing warm air that just feels cold to you. Let’s say you’re doing these things and your heat pump is still blowing cold air in the winter. Check the outdoor coils for eroding metal that could cause refrigerant leaks. If your heat pump system should happen to spring a leak, it could result in cold air blowing through your vents. In this video we discuss a common question we get in the winter which is: Why is my heat pump not blowing hot air? There are a few reasons your heat pump could be blowing cold air. Broken reversing valve: As the name suggests, the reversing valve allows the heat pump to work as both a heater and an air conditioner by reversing the direction of the refrigerant. This could be due to your pilot light, filter, fan, condensate or other problems. Super Cold. Is your home getting warmer? If these strips malfunction, the heat pump will blow cold air. Just contact us with your issue and we’ll send over a tech to inspect your unit. If your heat pump is blowing cold air at a low volume and your home is taking a long time to … If there is air blowing out but it is not very cold or there doesn’t seem to be much air pressure, check your air filter. Similarly, why is my auxiliary heat blowing cold air? If you think that your heat pump is blowing out cold air, first you want to make sure that it actually is in fact blowing out cold air. To prevent the coils from completely freezing up, your heat pump goes through defrost mode. About MSP, Copyright © 2021 Minneapolis Saint Paul Plumbing Heating Air, Inc. All Rights Reserved. This is plenty warm enough to heat your home, but if the air feels cool or cold, there may be a problem with your heat pump. The second scenario often happens with new heat pump owners and it's easy to explain, so we will tackle this situation first. Now you’re wondering what’s going on. When your heat pump blowing cold air, take advantage of these useful tips, and save yourself a little trouble. Love their heat pumps at a temperature of 85-92°F, the heat at the thermostat check... It and remove it if possible susceptible to leaks why does it make your heat pump may lock onto... Why: the vent air ’ s refrigerant is most likely leaking if so, your heat system... 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