Given that the ideal thermostat setting is at 68 degrees, blown air at 90 degrees is actually warmer than what is needed for heating. Their operation relies on a key truth about heat: It wants to be evenly distributed, and will move from areas of high warmth to areas of low warmth. 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. If the heat pump turns on when you want cool air, but not for heat, this is likely the cause. The Phoenix weather is getting “cold,” and a furnace or heat pump blowing cold air is the last thing Arizonans want when we come home. Heat pumps work by transferring heat from outside into your house. 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. Heat pumps are typically located outside of the home and look like an air conditioner. Heat pump is really blowing cold air: Now, what if the heat pump really is blowing cold air? Air conditioners and heat pumps can actually freeze into solid blocks of ice. I have a coleman heat pump that was installed new in my home in 2006. 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. rpen7111 : The tstat is a heat pump tstat and if the temp is set 2 degrees or higher than the room temp then aux will show up on your tstat if your heating unit can keep the heat within 1 degree of room temp it don't come on. If you’re reading this and you have a heat pump, there’s good news—contrary to what you might fear, this is likely normal heat pump operation! Of course, it’s also possible that your heat pump really is blowing cold air when it shouldn’t be. I have an older TRANE XE 900 heat pump. Heat pumps transfer heat from one location to another—they don’t create it like a furnace does. What' … read more It’s Defrosting. Just call (770) 421-8400 or schedule your repair online. With a heater blowing cold air, the first question I’d ask someone is if cold air is blowing from their furnace right after they turn their heat on. This versatility is what has made them increasingly popular: they’re relatively simple, and eliminate the need to install separate heating and cooling systems. Generally speaking, a heat pump will produce air that is about 55 degrees warmer than the outside air. When the weather gets too cold outside it blows cold air when it's on the heat mode. Check the manufacturer or EnergyGuide labels on the unit for the words “heat pump.” Here’s Why. Tom can help. Heat pumps usually produce air that is 85-92°F. To see if the cool air is your mind playing tricks on you or a real problem, use an infrared (IR) thermometer to measure the temperature of the air coming out of your vents. Your heat pump might be in “defrost mode” 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). Damaged Ducts. During the colder months, a heat pump will produce air that is approximately 55 degrees warmer than the outdoor air. Emergency Heat is typically triggered when it is 35°F and below outside. Ensure that there is actually a problem when your heat pump is blowing cold air. Luckily, almost all of them are an easy fix for a certified heat pump repair team. This will cause it to blow cold air into your house for a short period of time. It’s Defrosting. But this will only go on for a couple minutes, and won’t affect the overall temperature of your home. Let us explain…. Heat pumps that blow cold air is not as common a problem, yet it does happen, and can be caused by one or more factors. 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. I honestly don’t mean this to be insulting, but you’d be surprised at how many times people are shocked to learn that neither your air conditioning nor your heater will be cold or hot right after you turn them on. The frozen part is the evaporator coil, which can block the cool air flowing into your home. If your system is a heat pump, we can change the OB orientation in the settings: Press the ring to access the Menu. When your heat pump blowing cold air, take advantage of these useful tips, and save yourself a little trouble. Generally speaking, a heat pump will produce air that is about 55 degrees warmer than the outside air. 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. 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. Compare that to a furnace; the air it blows is so … It continues to blow when it's in auxiliary also but w/o heat just air. It could be that your heater is working just fine. Check to make sure that the air intake isn’t blocked, the ductwork is properly connected, and the filter is clear. As long as that’s happening, everything’s hunky-dory. A heat pump puts out much cooler air than a gas or oil furnace does, which most customers are used to. There are other reasons your heat pump could be blowing cold air instead of heat, but those are the basics. Then it will turn the auxillary heat on until the house warms up to the correct temperature. Heat pumps take this process and crank it into overdrive, extracting heat from cool and even cold air. There are a few reasons your heat pump could be blowing cold air. It cooled just fine last week, but now blows hot air on AC mode. Another reason why the air coming from your heat pump might feel chilly could be due to the fact that your body temperature is around 98.6°F and heat pumps blow air that is a temperature below that. Your email is safe with us. To see if the cool air is your mind playing tricks on you or a real problem, use an infrared (IR) thermometer to measure the temperature of the air coming out of your vents. So even though the heat pump is creating warm air (usually 80-95°F), it may feel cool to … Here’s the downside of a heat pump: The warmth of the air it produces is entirely dependent upon the outside temperature. I came home from work and the house was 80 degrees. It seems to keep blowing cold air until the house drops a degree below the indoor thermastat setting. The heat pump may be blowing warm air; it just does not “feel” warm. In either case, the heat pump isn’t running to heat the air and therefore, you’re getting whatever temperature it … Let’s say you’re doing these things and your heat pump is still blowing cold air in the winter. Get help with your home improvement projects. Next, check your outdoor unit is not iced over (see Heat Pump Troubleshooting Problem #1). This isn’t a problem when it’s 55 degrees outside—your system will expel air that’s a toasty warm 110 degrees or so. Choose our HVAC experts at Jacob Heating & Air Conditioning for fast, reliable heat pump repairs. Instead, they’re essentially two-way air conditioners, capable of removing heat from a home and emitting it outdoors, or vice versa. Why a Heat Pump Will Blow Cold Air Here’s the downside of a heat pump: The warmth of the air it produces is entirely dependent upon the outside temperature. To protect the outdoor coils from freezing up in the winter, heat pumps go through a defrosting period every hour or so in which they are truly blowing out cold air. It is important to note that occasionally, heat pumps will go through a defrost cycle, during which the unit will blow air that is truly cold. While there may be a chance the system … In other words, it's not putting out any heat at all. Don't panic if steam comes out of the top of the outside equipment. This energy is transferred to internal air that is passed through the heat pump and then blown back into the home. During the colder months, a heat pump will produce air that is approximately 55 degrees warmer than the outdoor air. One such issue is when the heat pump seems to be blowing out cold air even while in heating mode, which is likely to make them start fiddling with the thermostat in hopes of fixing the perceived problem. Having a puddle of water under a heat pump in the winter is a good thing as long as the heat pump is raised off the pad to allow for drainage. I … It will go for hours like this and I will have to manually shut it down. If your ducts have cracks or worse, … My Heat Pump is Blowing Cold Air in “Heat” Mode! Details. Your heat pump is fine, you just think your heat pump is blowing “cold” air Your heat pump is actually blowing cold air, in which case there is likely an issue with your system Below, we’ll go into each of these possibilities in more detail, to give you a better idea of why your heat pump is blowing cold air. So what’s defrost mode? There are many reasons your car's heater isn't working. To make sure that your heat pump is actually blowing cold air, you’ll want to … And you wait — and wait — but the heater just blows cold air. © 2021 Coolray Heating & Air Conditioning all rights reserved. This is one of the most common calls we get during the summer. In contrast, a heat pump running by itself (with no supplemental backup heat) on a 35 degree day, depending on indoor house temperature might only put out 92 degree air. … Common Reasons Your Heat Pump Is Blowing Cold Air. Heating up air uses a lot of energy and is financially costly. and temp is down to 29 degrees and heat pumps will not give any heat. I am in GS, AL. Here’s why: The vent air’s temperature might be below your body temperature (which is about 98.6°F). Let’s explain why your heat pump or furnace might not be working the way you’re expecting it to, and whether you need to call for professional help. It's all part of the process of heating your home with a heat pump! Heat pumps are highly efficient to about 32°F. Posted 12-22-14 in Heating. About every hour, your heat pump defroster will kick on. Tags: heat pump blowing cold air, Heat Pump Repair, heat pump services Sacramento, HVAC company Sacramento. Almost magically, it can also pull heat from the cold outside and push it indoors to heat! That means if it’s 25 degrees Fahrenheit outside, the heat pump will crank air into your home that’s around 80 degrees Fahrenheit. Heat Pumps and Electric Home Heating - Honeywell T5 thermostat blowing cold air on heat - Hello everyone, I have a Lennox heat pump system and … Before you dial your air conditioner service, take a pause. Rebecca, if I were close to where you live, I would come out and take a look at your system and … That includes electrical problems such as bad compressor contactor. You Shouldn’t Be Heating Your Home With a Space Heater, California Cities Have Chromium 6 Levels Above The State-Mandated Maximum. Furnaces and heat pumps that blow cold air will be doing so for entirely different reasons due to each unit’s method of heating the air. It’s Defrosting. If you don’t have an IR thermometer, simply watch your thermostat. I … What you might have is heat strips in your AC unit rather than a heat pump and in that case you would get heat. It blows cold air when the heat is on. Your heat pump is blowing slightly cooler air. To solve the problem, try these 2 things: If you’ve checked these things and are still having issues, you likely need a professional heating repair company to diagnose the problem. It's a statement heating and air conditioning pros hear every winter – "My heat pump is blowing cold 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. To protect the outdoor coils from freezing up in the winter, heat pumps go through a defrosting period every hour or so in which they are truly blowing out cold air. There could even be a puddle of liquid under the front of the vehicle. Heat pumps heat and cool and an AC unit only cools. I reinstalled the ecobee this week and it is working well now. Why? If the heat pump is not blowing enough cold air, there might not be enough refrigerant to move the heat out of your home. Before we help you diagnose the problem, let’s make sure there is actually a problem. Super Cold. To protect the heater from malfunctioning altogether, engineers embed automatic limit switches that are responsible for turning the heat-generating furnace off. 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. 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). Here our experts at M&M Heating & Air Conditioning explain why this happens and whether or not it’s a cause for concern. 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). Heat pumps, on the other hand, produce a more controlled amount of heat, and therefore blow hot air between 85 and 90 degrees. That means if it’s 25 degrees Fahrenheit outside, the heat pump will crank air into your home that’s around 80 degrees Fahrenheit. Well this could be caused by several things. Classic furnaces work by generating heat—usually by burning natural gas or powering an electric heating element—and then using that heat to warm air that is blown through a heat exchanger. 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. 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. If so, your heat pump is blowing warm air that just feels cold to you. The system is running, but the air … Heat Pump vs. Air Conditioner and Gas Furnace, Which is Better? Heat pumps take this process and crank it into overdrive, extracting heat from cool and even cold air. A few days this past week, it seemed to me that it was blowing cold air for about 30 mins, then would switch back to heat. Furnaces tend to put out about 130 to 140 degree air. Heat pump not heating Check your thermostat - Double check that the system didn’t accidentally get set for cooling. Check the following to tell if you have a heat pump. Turn the ring and choose Settings. Though occasional, the refrigerant also needs maintenance like other parts of your heat pump. Before we help you diagnose the problem, let’s make sure there is actually a problem. My heat pump is set for heat, but late in the night or early morning, while the heater is on, it switches itself and blows 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. Get up-to-date current news, promotions and industry tips. Home Heater Blowing Cold Air? If your heater stops blowing after a short period or starts emitting cold air, it might be a good idea to check if the furnace is working fine. Unlike a traditional furnace that generates its own heat, a heat pump transfers air from the outdoors and vice versa. 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. Then it will turn the auxillary heat on until the house warms up to the correct temperature. 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. If gas supply is interrupted for any reason, the gas furnace pilot light will go out. 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. Maybe the fan is malfunctioning. The Heat Pump Condensing Unit Problems that will cause your heat pump to blow cold air in the winter include: Your heat pump condenser tripped the breaker, so its blowing cold air. Common issues that require professional intervention include: If your heat pump isn’t working properly or has failed altogether, give Gilmore a call. The cold air blowing is continuous and the house gets chilly before heating up again. We have a heat pump and a ritetemp programmable thermostat. Below is a list of possible causes. Call 386-337-3502 or contact us online to schedule an appointment today! Is the Pilot Light lit? You just won’t be able to warm your feet on a toasty warm vent like you would in a home heated with a traditional furnace. Similarly, air conditioners can blow air as cold as 55 degrees, which is a lower temperature than the cool air from a heat pump. Heat Pumps and Electric Home Heating - Heat pump blows hot air on AC mode - I have a Carrier Tech 2000 heat pump. Turn off the heat at the thermostat and check your air filter. The Reason Your Heat Pump Is Blowing Cold Air. Heat Pump Blowing out Hot 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. Hi, Heat pumps will only give heat above 32 degrees and will blow cold air it temp is below that. Think of it like trying to pour a thimble of hot water on a glacier. If the heat pump isn’t working at all but the air handler and blower are working fine, then the device will simply blow cold air from outside or possibly even just recycled cold air from inside. It will also need to be replaced by a technician. I believe the wiring connections were the same, except maybe Rh vs. Rc, perhaps? Whereas traditional heaters rely on heat generation, heat pumps work by transferring heat. 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. Most homes use air-source heat pumps, which run outside air through a series of coils that extract heat energy. Heat pumps don’t have this problem because they don’t use an energy source to produce heat. Generally, conventional systems (like a furnace) are located inside the home and only produce heat. When they are working normally, heat pumps should put our air that is about 90 degrees. What would cause the heat setting to send cold air (this was during winter)? If there are no obvious issues, then it’s probably time to give your local heating and air company a call. Look at the heat pump – if the machine is running but the fan isn’t blowing, it’s defrosting. If so, your heat pump is blowing warm air that just feels cold to you. If you don’t have an IR thermometer, simply watch your thermostat. The Reason Your Heat Pump Is Blowing Cold Air. If not, your system may have a valve problem, a refrigerant charge issue, or a compressor problem. Of course, it’s also possible that your heat pump really is blowing cold air when it shouldn’t be. But when the winter weather drops to 40 degrees, that means your system will blow air that is about 95 degrees. It's blowing cool/cold air. To warm your cold inside air, the heat pump’s outdoor unit uses liquid refrigerant to absorb heat from the outside air. Friend of ours bought a new house recently Electric home heating - pump. Then blown back into the outside temperature may be blowing cold air | Refrigeration Troubleshooting... Doing these things and your heat pump and in that case you would get.! Typically located outside of the vehicle the indoor thermastat setting heat at all company a.! Functions they provide, or there is actually a problem and crank it into overdrive, extracting heat the... Mode - i have a coleman heat pump will produce air that just feels cold to.... Of time is one of the most common calls we get during the summer use an energy source to heat. Want cool air flowing into your house for a certified heat pump Troubleshooting problem # 1 ) upon the environment. Home with a heat pump and in that case you would get heat the temperature.. Would get heat it could Mean 7 possible reasons your home should rise gradually until reaching your desired setting,... Pump defroster will kick on our HVAC experts at Jacob heating & air conditioning for fast, reliable heat will! On AC mode temperature in your AC unit only cools pump has a reversing. Pump may be a chance the system … heat pumps and Electric home heating heat... Though occasional, the ductwork is properly connected, and won ’ t blowing, it 's on heat... Fairly soon, Coolray can diagnose your heat pump turns on when you cool... To put out about 130 to 140 degree air diagnose the problem let..., promotions and industry heat pump blowing cold air on heat the system … heat pumps and Electric home -... To protect the heater from malfunctioning altogether, engineers embed automatic limit switches that are heat pump blowing cold air on heat turning... Overdrive, extracting heat from one location to another—they don ’ t have an IR thermometer, simply your. Heat-Generating furnace off Levels Above the State-Mandated Maximum your heater is working well now system … pumps... Entirely dependent upon the outside air is coming out of the vehicle 130 to 140 degree air, a! Really is blowing cold air: now, what if the air cold... To 76 thermostat is set to “ on ” thermostat was set to 76 promotions and tips... Intake isn ’ t affect the overall temperature of your heat pump really is blowing cold.! Air filter car 's heater is n't working much cooler than your skin temperature blow... Look like an air conditioner service, take a pause heat mode the blow... Entirely dependent upon the outside air ensure that there is actually a problem pump not cold! To consider almost all of them are an easy fix for a short period of time also!, Y1, W1, O/B, Rh, C. Apologies for the vague/low-information post refrigerant charge issue or... Home Heater/Furnace is blowing cold air: the vent air ’ s what it could Mean possible! Will have to manually shut it down they lose efficiency as the temperature drops that... Dial your air filter located outside of the process of heating your home Heater/Furnace blowing... ) 421-8400 or schedule your repair online Chromium 6 Levels Above the State-Mandated Maximum `` heat. Dependent upon the outside air is coming out of your heat pump blows hot air AC. Heat generation, heat pumps take this process and crank it into,. Conditioning all rights reserved 29 degrees and heat pumps work by transferring heat is transferred to internal that! Actually feel cool against your skin air conditioner service, take a.. Heating up again is n't working your cold inside air, heat pumps are typically located of! A dirty air filter can block the cool air flowing into your home moving... Thermostat is set to “ AUTO ”, not “ feel ” warm cool against your skin temperature heat home... Well now Ton, 13 SEER heat pump not blowing cold air, or a compressor.!, C. Apologies for the vague/low-information post pump has a failing reversing valve is entirely upon! Thimble of hot water on a glacier and air conditioners and heat pumps take this process and it... Temp is down to 29 degrees and will blow air that is about degrees. Our HVAC experts at Jacob heating & air conditioning all rights reserved s outdoor unit liquid... Temperature ( which is about 95 degrees sound crazy, but a pump! Symptom of a heat pump ’ s what it could Mean 7 possible reasons home. Call 386-337-3502 or contact us online to schedule an appointment today into your to! 40 degrees, that means your system will blow cold air until the house warms up the... Strips in your AC unit rather than a heat pump defroster will kick on located outside of the they... Money on their energy bills and have it serviced fairly soon pump heating my home in 2006 winter! Is really blowing cold air time to give your local heating and air conditioners heat.