sounds like u have a heat pump and below 37o its no longer efficient ,so that's why you have to put it on emergency heat,it has a set of heat strips in it for back.heat pumps wasn't really designed to work in the northern area of the us,they work better in the south where it doesn't get that cold … For electric systems, this turns your air handler into an electric furnace, which can be costly to run for extended periods of time. Tom can help. heat on , fan auto , norm aux.heat blue light comes on but no heat is blowing out, just cold . switch from norm to emerg. Your heat pump may also have old or worn-out wiring that needs to be repaired or tightened by a Trane Comfort Specialist™. Furnaces tend to put out about 130 to 140 degree air. To understand, we need to briefly cover how a heat pump works. If you need to manually turn it on, you should call an HVAC professional to get your heat pump fixed. I have switched the emergency heat on but it is not coming on either. The point is, the emergency heat setting is meant to temporarily keep your home warm while you get your heat pump repaired. If it is set to cool or on constant fan, it will blow cool or cold air. Emergency Heat, also known as “auxiliary heat”, is the second stage of heat that your thermostat runs on when the temperature is too cold for your heat pump to extract heat from the outside. In extremely cold weather conditions, a properly working heat pump will run almost continuously. If you do need to switch to emergency heat, contact an HVAC professional as soon as possible to get your heat pump working again. If it’s dirty, change it! If your heat pump is malfunctioning and shorts out or freezes over, flip the switch and call for an HVAC maintenance appointment. Save yourself money by keeping your thermostat setting on “Heat” during the winter. thank you for any help brook. Heat Pump Troubleshooting Problem #3: BLOWING COLD IN HEAT MODE First of all, just check and make sure your unit was not accidentally switched to a/c mode. If the heat pump turns on when you want cool air, but not for heat, this is likely the cause. It could be a bad fuse or you might have flipped a breaker. Emergency heat should really only be switched on by the homeowner in emergency situations, when something happens to the first stage heat source—your heat pump. Before checking your outdoor compressor unit, turn off your … © 2021 HVAC.com – a Red Ventures Company, All Rights Reserved | Privacy Policy | Do Not Sell My Info | Terms and Conditions, Emergency Heat: Everything You Need to Know, For example, if a tree limb weighed down by snow falls on your. While conventional gas or electric furnaces blow hot air, from 130 to 140 degrees for short periods of time, a heat pump will gently blow warm air, from 110 to 115 degrees and stay on longer to circulate it. Get help with your home improvement projects. Do you think that a blown fuse or a tripped breaker would prevent the emergency heat from coming on? Is your outdoor unit working properly? Emergency Heat is typically triggered when it is 35°F and below outside. If you turn it off, your heating system won’t work once outdoor temperatures drop below a certain temperature, usually 30 degrees Fahrenheit. While there may be a chance the system … It's a statement heating and air conditioning pros hear every winter – "My heat pump is blowing cold air!" Emergency Heat, also known as “auxiliary heat”, is the second stage of heat that your thermostat runs on when the temperature is too cold for your heat pump to extract heat from the outside. But if you have low refrigerant charge (due to a leak, most likely) then it’s not bringing in enough heat to warm your air. But, when it’s really cold outside, like a 20 degree day, your heat pump output might drop to 95 or even 85 degrees. If your heat pump begins blowing cold air (not occasionally as described above), then you likely have a problem with the refrigeration portion of your heat pump. Don’t use your emergency heat setting unless your heat pump is malfunctioning or damaged. But when the winter weather drops to 40 degrees, that means your system will blow air … Check out our. If your heat pump system is blowing cold or room temperature air while the thermostat is set for heat mode, there are a few common situations you can resolve without even looking at heat pump itself. Our heat pump repair professionals can have your heat pump working like new again in no time. Ask Our Pros-Owner Assistance - NO DIY advice will be given. Your heat pump might not actually be blowing “cold” air 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. Heat Pump Blowing Cold Air and Emergency heat not coming on. If that doesn’t fix the problem, don’t hesitate to call a professional. This could make it feel like cool air … Also check your fan control settings. For all-electric systems, your emergency heat system should keep you warm until your heat pump can be fixed. trane xl 1200 heat pump ? Heat pump blowing cold air when emergency heat is on I have a 15 SEER 3.5 ton York heat pump that was installed 3 years ago. 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. The #1 question asked by NEW MEMBERS. One of the more common minor issues a heat pump may experience during the winter is a sensation of blowing cold air rather than the expected warm air – why might this be happening, and what can you do about it? Check with the folks that live with you to make sure they … Don’t use your emergency heat setting unless your heat pump is malfunctioning or damaged. 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