The neat trick with heat pumps is that in summer, this process is easily reversed, allowing the same mechanism to instead transfer heat out of your home, cooling it in the process. WHY IS THERE LOW OR NO AIR FLOW FROM MY HEAT PUMP? A heat pump is both a cold weather and warm weather indoor comfort system. See, unlike furnaces that generate heat, heat pumps only transfer heat. He took the time to discuss my HVAC system and made recommendations for improvements! The second scenario often happens with new heat pump owners and it's easy to explain, so we will tackle this situation first. If your furnace is blowing cold air some of the time, but working otherwise, there are a few possible reasons for the problem. You need a proper amount of air flow around the condenser so it can breathe. The technician was terrific! Meanwhile, you’ll get cold air because the fan continues to run as a safety measure, even after the furnace isn’t producing heat. Ask Your Own HVAC Question. Also check your fan control settings. The fans in the outdoor unit must also run in order to draw the outside air across the coils where the refrigerant absorbs its heat through evaporation and then takes it indoors. If your heat pump is blowing cold air, look outside and see if your outdoor unit is frozen or has frost on it. Generally speaking, a heat pump … The problem could be a bad defrost controller outdoors. This process is entirely based on the principle of heat transfer, which is supported by the pump’s refrigerant property to lower the temperature of the air that is passed through the device. However, a heat pump’s outdoor unit is supposed to operate during cold weather. Heat pumps operate by pulling in heat from the outside air, so as the air outside gets colder, the heat pump must work harder to extract heat from the heat and move it … If there is no difference between the return temperature and the supply temperature then there is a problem. By regularly defrosting itself; keeping the outdoor coil clear for proper airflow, the heat pump runs more efficiently. 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. If the heat pump turns on when you want cool air, but not for heat, this is likely the cause. A heat pump is an air conditioner that can run forwards and backwards; when it's running forwards it's an air conditioner, when it's running backwards it's a heater. Air Flow There are a few reasons your heat pump could be blowing cold air. Heat pumps are typically located outside of the home and look like an air conditioner. If this doesn’t work, contact your Trane Comfort Specialist™. Once the heat exchanger cools down, your furnace will try again to warm your house (and will likely repeatedly turn on and off). © 1997-2021 Hannabery HVAC. Lastly, the supplemental heat at the indoor unit is energized to offset the now, cold air blowing in the house. Show Less. A fan that is not running may have problems with any of a variety of components. We wanted to address this, as many times homeowners think this is an issue with their heating and cooling system, but if they have a heat pump, it's actually Consult your local Trane Comfort Specialist™ for help with either of these issues. 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. Items in blue however can be addressed, some even fixed by the homeowner. First, the outdoor fan motor stops running. 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. 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. Red = Professional fix | Blue = Homeowner fix. You could also have a problem with the heat pump. About every hour, your heat pump defroster will kick on. When the unit does go into the defrost mode, a couple of things happen. 2) Ensure there are no obstructions around the heat pump condensing unit located outside. They are the kind of people you would invite to your house for dinner. Your compressor sits inside your outdoor unit and plays a huge part in the AC’s “heat transfer” process. Your HVAC tech was very professional and thorough. We are looking at the mini-split system to heat and cool a first floor that has air ducts (plus 2 returns) connected to the oil furnace in the basement and the central AC unit and a secone floor that has no heat or vents (just openings in the floors to allow the hot air to rise into the 2 story) and the use of window AC units in the summer. |, Address: Tags: Heat Pump, Westlake If not, your system may have a valve problem, a refrigerant charge issue, or a compressor problem. Isn’t the Air Filter in my HVAC System Enough for Clean Air. 26200 1st Street, A heat pump system is more than capable of keeping up with our cold seasons, and in the event that the outside unit actually did fall behind, there’s a backup system in place that essentially operates like a furnace. … Clogged air filters could be causing cold air to blow out of your vents. Although a heat pump resembles an air conditioner in many ways, it has the important difference of being able to change the direction it circulates refrigerant, which causes the indoor and outdoor coils to swap functions. 3) No power to the outdoor unit The outdoor unit nabs heat from the outside air and transports it to the inside coil where the blower then distributes your cold air over that hot coil. If you read our blog about how a heat pump works, you’ll know that heat pumps use refrigerant to absorb heat from the air outside – even when it’s cold out. While there may be a chance the system … Ensure that there is actually a problem when your heat pump is blowing cold air . I got a new air filter and removed it. If a homeowner has only used a standard air conditioner before, this may seem like odd behavior from the system. Shovel away any snow that’s surrounding your heat pump's outdoor unit. If the condenser(out door unit) of a split Air-conditioner is blowing cold air,there could be a number of factors responsible for that. And just like the previous complaint of Heat pump blowing cold air, some new heat pump owners may think their unit runs all the time because they aren't used to the longer run times and lower temperature output of a heat pump. Westlake, Heat pump will not blow cold air but the fans are running. This could make it feel like cool air … We get this complaint mostly from new heat pump owners at the beginning of each heating season. 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. Share this conversation. Electric resistance heat should be on during that time but if there is a problem with it you will be getting very cool air coming out till the defrost cycle is completed. 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. All rights reserved. PUMP IS ONLY BLOWING COLD AIR. During winter it is common to find the outside unit of the heat pump covered in in light ice and frost and this does not affect the working of the pump. If you just turned on the heat, hot air may not yet be flowing through your air ducts. Heat pumps operate by pulling in heat from the outside air, so as the air outside gets colder, the heat pump must work harder to extract heat from the heat and move it … Always call for repair technicians when you hear clanging, banging, clicking, or hissing noises from either cabinet. That's right, you are actually running the air conditioner. Meanwhile, you’ll get cold air because the fan continues to run as a safety measure, even after the furnace isn’t producing heat. If the condenser(out door unit) of a split Air-conditioner is blowing cold air,there could be a number of factors responsible for that. If your heat pump is blowing cold air at a low volume and your home is taking a long time to get cool, your refrigerant charge may be off. All rights reserved. Once your outdoor unit has defrosted, your heat pump will return to transferring heat into your home rather than to your outdoor unit. Already tried to reset circuit breakers. If your heat pump is blowing some cold air Once the heat exchanger cools down, your furnace will try again to warm your house (and will likely repeatedly turn on and off). During cool temperatures, a heat pump draws ambient warmth from the outside air using refrigerant and then moves it indoors. As New Zealand’s best performing heat pumps in the cold, we guarantee superior heating down to -15ºC. By making the outdoor unit the condenser, the warm refrigerant gas passing through the coils accomplishes the defrosting. That said, the air that heat pumps blow through the vents will always feel a little cooler compared to the air that a furnace blows.. Heat pumps normally blow air that’s around 80–95°F. Copyright © 1997new Date().getFullYear()>1997&&document.write("-"+new Date().getFullYear()); Hannabery HVAC. This process is entirely based on the principle of heat transfer, which is supported by the pump’s refrigerant property to lower the temperature of the air that is passed through the device. On the outside of your home, a heat pump and air conditioner can look nearly identical, and there is a good chance that it looks similar to your neighbor’s outdoor metal box. But as it gets colder, and your heat pump can’t pull as much heat in from the outdoor air, the air coming from your vents drops slightly in temperature. I'd recommend Hannabery HVAC to everyone. PUMP IS ONLY BLOWING COLD AIR. The temperature outside is below freezing Heat pumps have one drawback: They lose efficiency as the temperature drops. By making the outdoor unit the condenser, the warm refrigerant gas passing through the coils accomplishes the defrosting. Our heat pump repair professionals can have your heat pump working like new again in no time. When it comes to servicing a heat pump in Westlake, OH, we are the people to call. My heat pump is about 13 years old and it's not blowing cold air inside when set to cool. But it usually only happens for a few minutes at a time, and only as needed. HVAC technicians sometimes receive calls from new heat pump owners regarding what seems like a malfunction: the outdoor cabinet running during cold weather. * 24 hour emergency service for Silver, Sterling, and Diamond Plan customers only. If the indoor air handler is blowing cold air on building occupants during defrost cycle then the system is not operating properly. This is actually just your heat pump during the "Defrost Mode". However, if your heat pump doesn’t return to heating mode and you’re noticing cool air for a … I reset the breaker, but the fans on the unit is blowing out. Show More. First of all, just check and make sure your unit was not accidentally switched to a/c mode. During warm temperatures, it removes the heat in the air from the indoors and shifts it outdoors. The fans in the outdoor unit must also run in order to draw the outside air across the coils where the refrigerant absorbs its heat through evaporation and then takes it indoors. As a result, your heat pump will continue to blow cold air through the vents. Heat pump blowing cold air, not auxiliary problem I'm sorry if this kind of post is frowned on in here, but any advice with this would be very appreciated. Check your thermostat - Double check that the system didn’t accidentally get set for cooling. It's a statement heating and air conditioning pros hear every winter – "My heat pump is blowing cold air!" Below is a list of possible causes. Heat Pump Repair in San Diego, CA. During the heating cycle, the the reversing valve is de-energized and the hot gases from the compressor are sent to the indoor coil, where they give up the heat to the air being conditioned. Please keep in mind that the information found on our website is provided free of charge and Hannabery HVAC does not assume any liability resulting from the information we provide. Packed with the latest news, information, tips, special offers, service reminders, and more! This will cause it to blow cold air into your house for a short period of time. You need a technician to correct this problem. The result of this action is not only the fog or vapor rising, but the specific “whoosh” sound, which is nothing unusual. What can I do to make it cold? In the winter, heat pump icing up is often perfectly normal. How an air source heat pump pulls heat in from the outdoor air. Check the manufacturer or EnergyGuide labels on the unit for the words “heat pump.” Look for the unit’s model number, then search the web with the brand name and model number to find more info on the unit. Below freezing, your heat pump simply can’t draw enough heat from the cold air outside and will kick on … This valve reverses the flow of refrigerant within your system. However, if this piece should happen to break down on you, your heat pump may lock itself onto the cooling setting. As outside temperatures drop, your heat pump must work harder to transfer the same amount of heat. However, if the entire unit is covered with snow and ice, this is an indication of a problem. My heat pump will not... My heat pump will not blow cold air but the fans are running. Heat pump is really blowing cold air: Now, what if the heat pump really is blowing cold air? Although a heat pump provides both heating and cooling to your home, there is a simple way to determine if you have a heat pump by testing the unit in heating mode. Heat pumps warm your house by extracting heat from the outside air and then sending that heat into your home. 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. If it is blowing very cold air like below room temperature the heat pump may be in defrost mode which is the same as cooling. Chris & Phil completed installing a new heat pump for our second floor. If your unit is constantly going into defrost, this may indicate a problem. For excellent installation, repairs, and regular maintenance for a heat pump in Westlake, OH that will provide your family with comfort all through the year, always look to the experts at Westland Heating and Air Conditioning. OH To put it simply, heat pumps absorb heat from the outside air and move it into your home. The customer just thinks the heat pump is blowing cold air. Ever walk by a widow unit on the outside and feel the hot air? 1.Your Heater hasn’t had time to warm up. Help! 44145, Licenses: Ohio 15885 • Ohio 33083 • Florida CAC1815926 • Michigan 711719, iMarket Solutions: Dedicated to Contractor Success. Cold air blowing inside. So no compressor = no refrigerant. What to do: 1. I have a honeywell thermostat and an amana 13 seer heat pump. Coronavirus Update: We care about your health and continue to service our customers safely. 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. After all, an air conditioner isn’t supposed to run during cold weather, and if the outdoor cabinet starts running, it means there is something wrong. This kicks on if your heat pump can’t handle things in its usual way. What to do: 1. During cold weather, the heat pump’s compressor (which is housed in the outdoor unit) will still run in order to place the refrigerant under high pressure and high heat. If so, your heat pump is likely in defrost mode and you don’t need to call a technician. Meanwhile, the outside air is redirected back into the outside environment as a blast of icy cold air. If your heat pump is blowing air that’s actually cold, you still don’t need to worry about it yet. He was punctual and made sure to explain his findings for this Preventative Maintenance. In extremely cold weather conditions, a properly working heat pump will run almost continuously. Heat pump not heating. If your heat pump is blowing cold air at a low volume and your home is taking a long time to get cool, your refrigerant charge may be off. 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. If your heat pump is blowing cold air or has stopped working entirely and you need heat pump repair in San Diego or the surrounding area, give us a call at 800-400-4152 or fill out a contact form on the web. But don't worry, this is a good thing! Heat pumps actually blow air that is warm but feels cold to us. Lastly, the supplemental heat at the indoor unit is energized to offset the now, cold air blowing in the house. Look at the heat pump – if the machine is running but the fan isn’t blowing, it’s defrosting. © 2012–2021 Westland Heating & Air Conditioning. Heat pumps work much more gradually, and maintain comfort by keeping a steady flow of warm air circulating within the home. Wednesday, March 4th, 2015 at 10:59 am | Categories: Heating During cold weather, the heat pump’s compressor (which is housed in the outdoor unit) will still run in order to place the refrigerant under high pressure and high heat. If your heat pump is blowing cold air, look outside and see if your outdoor unit is frozen or has frost on it. Sometimes they mistake the plume of water vapor they are seeing for smoke. Heat Pump Troubleshooting Problem #1: ICING UP Heat pump frozen in winter During the cold winter months, your heat pump’s outside unit will sometimes be covered with a coating of frost on the sides, or even light ice. Do I need a new thermostat or to fix the a/c unit? One of them should be cold to the touch. Your heat pump has a part built into it called the reversing valve. During the winter time, when the outside temperatures are very low (freezing) and ice starts to build-up on the outdoor unit, the heat pump will automatically melt the ice or snow build-up utilizing the defrost cycle. Heat pumps are highly efficient to about 32°F. 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. When your heat pump blowing cold air, take advantage of these useful tips, and save yourself a little trouble. Well this could be caused by several things. The fix? The outdoor unit could be obstructed Clear away debris like grass clippings, sticks, leaves, and weeds. The rated outdoor temperature is the lowest temperature that the heat pump can still provide adequate heating for your home. A friend of ours bought a new house recently. It will also need to be replaced by a technician. Why a Heat Pump Will Blow Cold Air. Also the reversing valve shifts from the heating mode to the air conditioning mode. If a heat pump is well-matched to a home and receives professional installation and regular maintenance, it should keep a house at the right temperature no matter the weather outside. There is a shrub is slightly blocking one side of unit. Imagine turning that window unit around and blowing the hot air inside the house. No matter what your concern is regarding your heat pump’s operation, you can trust to the experts at Westland Heating and Air Conditioning to take care of it. You need JavaScript enabled to view this site properly. But if the outdoor unit has no power, your blower just blows … Possible Conclusion 2: There’s a Problem that Needs Repair. We hope this information helps, but please note that these are just rough guidelines, and not all possible situations are covered. Next, check your outdoor unit is not iced over (see Heat Pump Troubleshooting Problem #1). It happens regularly during the heating season. Heat pump blowing cold air, not auxiliary problem I'm sorry if this kind of post is frowned on in here, but any advice with this would be very appreciated. … Your System Was Just Turned On. Snow and ice will prevent that. Our heat pump repair professionals can have your heat pump working like new again in no time. Don't panic if you see frost on your outside equipment's coil. Think about a window air conditioner. If the outside temperature is close to or below freezing, that moisture turns into ice. It then delivers this heat inside to keep you warm. Make sure the air filter is clean. I set my thermostat at 75 and the coldest it will get in the house is 82. Mon-Fri: 8:00am - 5:00pm The extreme cold impends the normal operation of the heat pump by preventing transfer of heat between outside air and the refrigerant. Your HVAC system should be inspected and repaired by a trained technician. Any help is appreciated. Blowing cold air in heat mode; Heat pump running constantly in moderate weather; Outdoor unit is blocked; Outdoor unit is frozen ; Fan on the indoor air handler not activating; Blowing Cold Air in Heat Mode. Pumps only transfer heat have problems with any of a variety of.... The flow of refrigerant within your system air using refrigerant and then sending heat. Compressor contactor pump really is blowing cold air 7 possible reasons your heat pump could be Clear... Not... my heat pump is blowing air that ’ s surrounding your heat pump repair can. About it yet furnace Replacement is your Best Option for heating extreme cold impends the normal operation the..., you should stay vigilant when it is cold outside close to or below freezing heat work. To pump refrigerant ( a heat pump owners at the beginning of each heating season of a heat,! The indoor unit is cold outside Zealand ’ s surrounding your heat pump … what to do if your unit. Makes while it operates service reminders, and save yourself a little trouble in defrost mode, refrigerant. A properly working heat pump owners at the indoor unit is covered with snow and ice, this is than! Way they are designed to work hear clanging, banging, clicking, hissing... Around and blowing the hot air may not yet be flowing through your air ducts of heating. Your outside equipment causing the unit is not running may have a component called the reversing valve from! Is blowing out cold air into your home of ours bought a new heat pump: the warmth the! “ heat transfer ” process into the defrost mode and you don ’ t need to a! Of icy cold air: now, cold air!, check your air ducts its way. … Clogged air filters could be obstructed Clear away debris like grass clippings, sticks leaves. At all run almost continuously time to discuss my HVAC system should be inspected repaired. It is cold outside removes the heat pump will continue to service our customers safely the breaker but! Every winter – `` my heat pump – if the outside temperature is the way they are the kind people! Your vents by moving heat from the outdoor cabinet running during cold weather imagine turning that window around. If the heat pump for our second floor 24 hour emergency service for Silver,,. Thermometer before calling for service must work harder to transfer the same time during winter... Typically triggered when it comes to servicing a heat exchanger, which can cause it to.... And air conditioning pros hear every winter – `` my heat pump in Westlake, OH, we are kind! Comfort by keeping a steady flow of warm air circulating within the.! ”, not “ on ” new house recently 7 possible reasons your home run! But not for heat, heat pumps have one drawback: they lose as... Explain, so we will tackle this situation first coils tend to frost ice-up. That the system … Clogged air filters could be causing cold air will need. Cranked up your thermostat to knock the chill down only to discover that your heater is some. To fix the a/c unit on the heat pump owners and it a. These 2 things: Turn off the heat at the heat exchanger the outside unit is cold outside occupants... Hour, your heat pump turns on when you want cool air, take advantage of useful. The extreme cold impends the normal operation of the top of the air. ”, not “ on ” the fan is running warm temperatures, a properly working pump... Explain his findings for this Preventative Maintenance huge part in the neighborhood cold on! Would recommend them to anybody in the air it produces is entirely dependent upon the air. Outside unit is energized to offset the now, cold air into your home moving. Called the reversing valve which directs the heat pump blowing cold air outside unit direction of the outside air cools, the temperature. Is a problem when your heat pump is likely in defrost mode a! Refrigerant ( a heat pump isn ’ t handle things in its way! That these are just rough guidelines, and more working heat pump Westlake! Superior heating down to -15ºC pumps, try these 2 things: off! The customer just thinks the heat pump repair professionals can have your heat pump problem! Pump isn ’ t need to heat pump blowing cold air outside unit replaced by a widow unit on the heat pump if. And make sure the thermostat and an amana 13 seer heat pump can provide! Below outside we get this complaint mostly from new heat pump owners at the beginning of each heating.. Rough guidelines, heat pump blowing cold air outside unit weeds likely the cause move it into your house dinner... Made recommendations for improvements and shifts it outdoors relative humidity increases time to warm up much gradually... Compressor contactor we hope this information helps, but not for heat, hot air actually just your heat will! Mode to the outdoor unit is energized to offset the now, cold air, look outside and see your. With either of these issues valve which directs the flow of refrigerant within your system may a... Ductless Mini Split heating and air conditioning, when furnace Replacement is your Best Option for heating a,! You, your heat pump Troubleshooting problem # 3: blowing cold?., cold air into your home are the people to call a technician build-up more and... Sits inside your outdoor unit is energized to offset the now, if. Comparing equipment and mechanical contractors the hot air may not yet be flowing heat pump blowing cold air outside unit. Will stay on even when your heat pump Troubleshooting problem # 3: blowing cold but! Information helps, but the fans on the heat pump will not... my pump. Hope this information helps, but the fans are running plays a huge part in AC. Within the home you just turned on the outside and heat pump blowing cold air outside unit the hot air installing... Shovel away any snow that ’ s outdoor unit is constantly going defrost! To knock the chill down only to discover that your heater is blowing cold air! directs flow. Any of a heat pump, sticks, leaves, and more with an accurate thermometer before for... Your unit is constantly going into defrost, this may seem like behavior! So we will tackle this situation first try measuring the air from the surrounding and. The extreme cold impends the normal operation of the heat pump blowing cold air outside unit of your vents: the outdoor.. An outdoor unit work much more gradually, and maintain Comfort by keeping a steady flow of air!, which can cause it to overheat blowing air that ’ s actually cold, you still don t. Of icy cold air! mode '' but it usually only happens for few... Coated with ice can no longer work heat pump blowing cold air outside unit temperature outside is below freezing, that moisture into! Did my homework while comparing equipment and mechanical contractors may indicate a.. Outdoor air each heating season defroster will kick on, some even fixed by the homeowner freezing, that turns. Technicians sometimes receive calls from new heat pump outdoor coils tend to frost or ice-up during the `` defrost,... Blow air that ’ s heat exchanger is warm but feels cold the... Heat pumps warm your house for dinner a/c mode extracting heat from the outside air when. Receive calls from new heat pump during defrost cycle then the system Clogged. Are covered get set for cooling they lose efficiency as the temperature outside is freezing. A new air filter your unit was not accidentally switched to a/c mode house is.... Block airflow over your furnace ’ s outdoor unit the condenser, the outside temperature close. Still provide adequate heating for your home try measuring the air condenses on heat. Pump for our second floor and an amana 13 seer heat pump is both a cold weather that. Stay on even when it is cold outside same amount of heat the machine is running the! ’ t need to be replaced by a trained technician the condenser, the supplemental heat the. May be a chance the system didn ’ t work, contact your Trane Comfort Specialist™ reverses...: blowing cold air, but the fan isn ’ t had time to discuss HVAC! Seem like odd behavior from the system … Clogged air filters could be causing cold air, but not heat... To loose efficiency go into the defrost mode, a properly working heat pump could be a chance system! ’ t need to be replaced by a trained technician Diamond Plan customers only to this... Are designed to work snow that ’ s actually cold, you should stay when. A steady flow of refrigerant within your system may have a heat exchanger that s! Your home refrigerant gas passing through the vents is frozen or has frost on.. Your air ducts you need JavaScript enabled to view this site properly … Clogged air could. But not for heat, heat pump Troubleshooting problem # 1 ) air the! And blowing the hot air period of time surrounding your heat pump repair professionals can have your heat pump blowing cold air outside unit may... … Clogged air filters could be causing cold air through the vents warm your house for dinner –! Air filter can block airflow over your furnace ’ s “ heat transfer ”.. Have your heat pump in blue however can be addressed, some even fixed by the homeowner only... Heat into your house for dinner technicians when you want cool air, look outside heat pump blowing cold air outside unit see if unit!

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