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). For a heat pump or heater to produce warm air, air must flow easily through the … It's a statement heating and air conditioning pros hear every winter – "My heat pump is blowing cold air!" Has anyone changed the thermostat recently? Of course, it’s also possible that your heat pump really is blowing cold air when it shouldn’t be. It's all part of the process of heating your home with a heat pump! Resource: The Home Comfort Book: The ultimate guide to creating a comfortable, healthy, long lasting, and efficient home, Hello, If there is no difference between the return temperature and the supply temperature then there is a problem. Page top photo: Watch out: a return air inlet close to a gas heating furnace may be unsafe - see UNSAFE DUCT OPENINGS for details. 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. Heat pumps have one drawback: They lose efficiency as the temperature drops. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. However, when I turn the thermostat back down to 73° F., the heat pump started blowing cold air again. He was punctual and made sure to explain his findings for this Preventative Maintenance. I disagree with that, but Rheem and Ruud do it their way, so who am I say that a reversing valve if it fails, should fail to heat because heat is so much more important than cooling. When this occurs the system can get stuck in ‘heating’ mode. Your furnace is overheating. However if heat pump isn't working properly from a low charge or something, then after several minutes, the auxillary heat will kick in, and would feel much warmer. As stated in this article, it could be several reasons. In other words, it's not putting out any heat at all. We hope this information helps, but please note that these are just rough guidelines, and not all possible situations are covered. Rebecca used the uploader to send us some pics of her thermostat wiring, and it worked great!! The customer just thinks the heat pump is blowing cold air. Good luck!! So if you are new to heat pumps, try measuring the air temperature with an accurate thermometer before calling for service. I am covering it because I don’t want to leave anything out for those who find this article and need answers to their questions. You can use our uploader (on the menu to the right) to send us photos and a description of the problem. We also use third-party cookies that help us analyze and understand how you use this website. Luckily, this part can be easily swapped out by a pro. Generally speaking, a heat pump will produce air that is about 55 degrees warmer than the outside air. Get help with your home improvement projects. Thanks!! Well this could be caused by several things. Heat pump not heating The following is going off the issue of your problem, but it relates to a heat pump blowing cold air. Required fields are marked *. Heat Pump Troubleshooting Problem #3: BLOWING COLD IN HEAT MODE. The tempurater drops at the thermostat. I would recommend them to anybody in the neighborhood. That happens when the heat pump shifts into defrost mode. During the winter when you crank up your heat, the coolant is brought over from the engine to the heater core that then blows warm air into your car. I suspect, based on what you are telling me, that your problem is directly related to the above list. It is crucial to make sure the heat pump thermostat is set for heating, and the setpoint is adjusted to a temperature above room temperature. So what’s defrost mode? Heat pumps are highly efficient to about 32°F.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. Yes, a, Check to see if the condenser is running when the thermostat is set to normal heating mode. Furnaces tend to put out about 130 to 140 degree air. The heat pump can absorb heat from the outside air – even when it’s quite cold! All rights reserved. The heat pump really is blowing cold air. Wait a few minutes until the system has reached a steady-state and then feel the supply vents. All rights reserved. Turned out to be a bad capacitor for her compressor which is on my list above. If the outside air temperature is freezing the delta T will be lower. 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. I used a few months ago to install a new thermostat, and you cleared some things up with the thermostat wiring colors I had problems trying to figure out. First of all, just check and make sure your unit was not accidentally switched to a/c mode. 1) Breaker is tripped - check condensing unit breakers. I let it run for a few hours but it never reached the set tempurater 70F. 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). I switched it and changed it to the Heat setting, I set the thermostat to 95 and it started blowing cool air, then it got warm/hot. How you’ll know this is your issue: Your furnace blows hot air but that … A delta T reading, BTW, is the temperature difference between the supply air and the return air. Now, to answer your question: Since you ran the little test I had you do, we know your auxiliary heating or backup heat is working. If i turn it off for about 10 minutes it will blow hot again for again about 10 minutes and then blows cold again out of the defrost vents. This issue has something to do with a heat pump occasionally blowing cold. Lee, Your email address will not be published. If no air blows from the vents then the blower motor or other part has gone bad in the unit. There are two possible routes here, one of which many homeowners who are new to heat pump systems encounter. Problems that will cause your heat pump to blow cold air in the winter include: Lastly, to rule out any subjective factors related to what you think is warm or cold (it’s different for everyone based on perception), you can do a delta T reading. It's actually quite simple... A heat pump puts out much cooler air than a gas or oil furnace does, which most customers are used to. Rheem and Ruud shift the reversing valve for heating. If so, your heat pump is blowing warm air that just feels cold to you. Start with the disconnect box located near the heat pump. The reversing valve not shifting properly. Don't panic if steam comes out of the top of the outside equipment. There could even be a puddle of liquid under the front of the vehicle. We do get a small commission from any sales for our affiliates for which we link. Let’s explore this problem and break it apart because we want your heat pump to blow warm air when in the heating mode. i have a 2002 honda civic 1.7 liter when car warms up we turn the heater on and it blows warm air and then just minutes later it will go cold and a short time later it will get warm again. It’s the beginning of a heating cycle. Hannabery South1342 S. W. End BlvdQuakertown, PA 18951Phone: 215-536-0150, Hannabery Central200 Schantz RoadAllentown, PA 18104Phone: 610-366-9400, Hannabery North100 Northern BlvdClarks Summit, PA 18411Phone: 570-586-1007. Your email address will not be published. Regarding your replay to my original comment, I turned the thermostat up to 80° F. when the house temperature was 72°, and the thermostat was set to heat. * 24 hour emergency service for Silver, Sterling, and Diamond Plan customers only. Tom can help. Anyhow, make sure you only set 1° above the house temperature. I really did my homework while comparing equipment and mechanical contractors. These links will lead to you purchase a product from another company. Copyright © 1997new Date().getFullYear()>1997&&document.write("-"+new Date().getFullYear()); Hannabery HVAC. Then, the hot refrigerant from the outdoors is pumped into your home, and a fan blows across it to provide heat to the inside of your home. If your heat pump is blowing air that’s actually cold, you still don’t need to worry about it yet. A heat pump puts out much cooler air than a gas or oil furnace does, which most customers are used to. | Richard, love your website!! Heat Pump blows warm on COLD setting I have a York Heat Pump, model E2EB024A06A that on the Cold setting will blow cool for the first few minutes, not cold, just cool and then start blowing warm to hot air. These cookies will be stored in your browser only with your consent. The Home Comfort Book: The ultimate guide to creating a comfortable, healthy, long lasting, and efficient home. Call for service, 1) Compressor not working - Call for service, 2) Low refrigerant charge - call for service, 3) Reversing Valvle Problem - call for service, 1) Incorrect setting on the thermostat - double check to make sure of right settings, 3) Bad thermostat or thermostat malfunctioning - call for service. If you don’t have an IR thermometer, simply watch your thermostat. heat pump heats but then blows cold air, never reaches target temp, and wont shut off? If any are tripped, reset them. Have you … While that’s warm enough to raise the temperature of your home, it feels cool relative to your body temperature. Then, a fan blows over this cool refrigerant, pumping cool air back into your home. It is a defrost method used by many conventional HVAC manufacturers. A lack of heat can be a symptom of a much larger problem. Heat pumps use the process of refrigeration to move heat. It is mandatory to procure user consent prior to running these cookies on your website. Reversing valves for most heat pumps only shift for cooling. 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. This will cause it to blow cold air into your house for a short period of time. And the blown capacitor has nothing to do with changing her thermostat. It can feel cool for the first few minutes because the engine has to warm up in order for the coolant to heat up and provide heat to your interior. And you wait — and wait — but the heater just blows cold air. Your HVAC tech was very professional and thorough. Instead, they use a steady stream of air heated to just the right temperature to keep you warm all day. It cooled just fine last week, but now blows hot air on AC mode. Sometimes in heat pump systems, the reversing valve that switches the system from air conditioning to heating function gets stuck. Similarly, air conditioners can blow air as cold as 55 degrees, which is a lower temperature than the cool air from a heat pump. Update: Rebecca sent me an email after the contractor left her house. They are the kind of people you would invite to your house for dinner. However, first, check a few things: Provided it is winter time this is normal. Heat pumps deliver what we in the industry call ‘cool heat' because its cool to the sense of your skin, which is 96°F but its warmer than the air that's being conditioned. We have a heat pump and a ritetemp programmable thermostat. I wanted to warm the house up a bit since, in the day time, it gets back up to reasonable temperatures. That means you have more than one problem. Items in red usually require a service call. I have tried turning it on and off, checked coil for debris, checked filter. The heat defrosts the coils. Excellent customer service. A quick way to test this is to set the thermostat manually to fan and see if any air blows from the vents. I am just wondering if I hooked something wrong hooking up the thermostat, or perhaps I have a problem with the heat pump and need to call someone out to fix the problem. Is the air coming from the vents hot or warm? The problem arises when you shift the reversing valve; you are also causing the evaporator coil to get cold. Turn the ring and select SETTINGS. That usually happens when the heat pump is not hooked up properly, or there is a problem with the defrost controls. Likely, you do not have access to this chart so I’ll give you the rule of thumb. But, it is still warmer than the indoor house temperature, so it is still putting heat into the house. It would be best if you called a professional for a repair. But, when it’s really cold outside, like a 20 degree day, your heat pump output might drop to 95 or even 85 degrees. Thanks again for all your help!! I'd recommend Hannabery HVAC to everyone. 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. Chris & Phil completed installing a new heat pump for our second floor. Get shopping advice from experts, friends and the community! 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. Why is my heat pump blowing cold air when I know its in heating mode 100%? In either case, the heat pump isn’t running to heat the air and therefore, you’re getting whatever temperature it … This website uses cookies to improve your experience. 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. This issue needs the attention of an HVAC technician as it is unlikely you can solve the problem yourself without buying several different diagnostic tools and completely understand heat pumps and heat pump components. That’s a no-brainer. No. Is the temperature warm or hot? Site design by Web Developer for Hannabery.com. We'll assume you're ok with this, but you can opt-out if you wish. Unable to check thermostat any further. 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. About every hour, your heat pump defroster will kick on. The heat pump is blowing cold air when the thermostat was set to heat. Select EQUIPMENT. This is different from a furnace, which can blast hot air over 100°F. Don't panic if you see frost on your outside equipment's coil. Next, check your outdoor unit is not iced over (see Heat Pump Troubleshooting Problem #1). That includes electrical problems such as bad compressor contactor. Maybe the fan is malfunctioning. While there may be a chance the system … I look forward to your answer. It will also need to be replaced by a technician. Furnace blows cold air: This article describes what to check if the warm air heating blower fan delivers intermittent cold air into the occupied space, or if the furnace cycles between blowing warm air & cool or even cold air into the building.. Below is a list of possible causes. Why do you want your backup heat on when the heat pump is in defrost mode? Heat Pump blowing cold air from the outside unit. The check the breakers in the main panels. It’s nice to know this now instead of finding out when the temperature gets really cold out!! Items in blue however can be addressed, some even fixed by the homeowner. This commission helps us pay for the overhead of running this website. Sometimes these are fused, and you could have blown a fuse. I’ve had people decrease the setpoint and wondered why their heat did not work?? What could be the problem? 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. It could have an electrical problem, or it could have a mechanical issue. Packed with the latest news, information, tips, special offers, service reminders, and more! Then you will have hot air blowing from your vents when the cold weather hits. When the heat pump kicks into defrost mode, the reversing valve shifts, and the defrost board sends a signal to the backup heat to turn on. 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. A timer built into the defrost control board initiates defrost. There are many reasons your car's heater isn't working. The heat pump is working fine. But opting out of some of these cookies may have an effect on your browsing experience. I picked up a whole housing subdivision of customers because the installation contractor did not hook this up properly. Perhaps your temperature gauge is running below normal. If not, then keep reading. Well, this is less than your body temperature, so it feels like cold air is blowing. Rebecca. My heat pump is blowing cold air even in when it is set to emergency heat? If the heat pump turns on when you want cool air, but not for heat, this is likely the cause. I also checked the thermostat with a meter and find it calling for AC. Clogged Air Filter. Either way, call your local contractor and have them take a look and fix it for you. Keep reading. The Nest Thermostat defaults to an O orientation for heat pumps. To make sure that your heat pump is actually blowing cold air, … refrigerant leak (Freon leak as some people call it), Converting an Air Conditioner to a Heat Pump, Heat Pump Condenser Fan Motor Not Turning, HVAC Indoor Air Quality Solutions Particulates & Compounds in the Air We Breath, 1) Backup Heat is not engaging - check air handler breakers . And, in cold weather, heat pumps tend to blow warm air out at 95°F. Copyright© 2021 HighPerformanceHVAC.com |. Of course, when in heat mode, you get warm air and not cold air. © 1997-2021 Hannabery HVAC. The supply vents did start blowing warm air. Here are the possibilities: Let’s explore each possible heat pump blowing cold air problem below. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. The thermostat is set to “on” rather than “auto” When your thermostat is set to “on”, the fan in your … Serving Eastern Pennsylvania Homeowners & Businesses since 1972! It could even be running in the air conditioning mode due to a malfunction. These cookies do not store any personal information. We also believe the products we link to help our site visitors find products they need to enhance or repair their HVAC equipment. My heat pump blows hot air for a few minutes then cold air. 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. If so, then check our thermostat wiring colors page to make sure they wired it properly. If your system starts blowing cool air when your Nest Thermostat is heating (or vica versa), you’ll need to change the orientation of your heat pump: Press the ring to access the Menu. Do I need to call for service? We know your backup heat works just fine, so please ignore the first part of my answer. The work was done in a very professional and timely manner. Still feeling the heat? Something could be wrong with the compressor. She did a fine job installing her new thermostat, and everything works good now. Mon-Fri: 8:00am - 5:00pm Take the temperature at the filter (return) and then take the temperature of a supply vent. Why is my Heat Pump Blowing Cold Air? 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. 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. That creates heat in the coils of the condenser. Necessary cookies are absolutely essential for the website to function properly. If they trip after rest call for service. 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. When your thermostat setting is on heat, it blows cold air when it should be blowing warm air. If it is not running, check the power. Red = Professional fix | Blue = Homeowner fix. 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). Other thermostat issues. In the winter, this process is reversed. Then keep reading. Your HVAC system should be inspected and repaired by a trained technician. I have a Carrier Tech 2000 heat pump. No. Here’s another possible DIY fix for your heater blowing cold air. On a 20 degree day, it might drop to 85 degrees. Again, to counteract that, in the heat pump sequence of operation, the backup heat is supposed to energize to make the cold air hot or at least warm. The defrost control board has different pin settings to change the defrost time from various times, such as 1 hour, 90 minutes and so and so forth, depending on the manufacturer. 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. Check the breaker at the air handler. Call for service if breakers trip again. Rebecca, if I were close to where you live, I would come out and take a look at your system and tell you what was wrong and repair it for you. The reversing valve not shifting properly. Heat pumps need to defrost occasionally to prevent ice buildup on the coils. Call for service if breakers trips again, 2) Defrost timer not set correctly and outdoor heat pump condensing unit is frozen - Call for service, 3) Incorrect control wiring or a problem with the control wiring. Now I just turned on my heat pump the other night when it was cold outside. That causes cold air to blow out of your vents if it is not hooked up properly. Select HEAT PUMP. Now turn the thermostat up at least 5° above the house temperature. If the the. Feel the vents again after a few minutes? 2) Mentioned above in Refrigeration Problems - reversing valve is not shifting or stuck - call for service, 3) Mentioned above in Refrigeration Problems - Refrigeration leak - call for service, 4) Mentioned above in Refrigeration Problems - Compressor not working - call for servce, Refrigeration Problem - yes heat pumps use the refrigeration cycle to provide heat in the winter. This website uses cookies to improve your experience while you navigate through the website. Rebecca, thank you for your kind comments about the site!! there are times when the car is at a idle it will blow cold and when you rev it up it will get warm again. Why? Thanks!! Your problem is unrelated since your backup heat is working on the test you made for me. Heat pumps are not like air conditioners for taking a delta T reading, so you’ll have to use a rule of thumb here. The manufacturer publishes a performance data chart that can give you the expected delta T based on the outside air temperature. If not, your system may have a valve problem, a refrigerant charge issue, or a compressor problem. Others have a breaker switch. In this video we discuss a common question we get in the winter which is: Why is my heat pump not blowing hot air? I fixed it for a homeowner in that subdivision, and they told their neighbors, and the neighbors were calling me to fix theirs. Two Reasons Your Heat Pump Is Blowing Cold Air 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. Rule of thumb says this temperature difference should be between ~10°F and ~30°F depending on the outside air temperature. When you turn on a faucet to receive hot water, you often have … Glad I could help!! Unlike a furnace that puts out a lot of heat for short periods of time, a heat pump will put out less heat for longer periods of time. The second scenario often happens with new heat pump owners and it's easy to explain, so we will tackle this situation first. by High Performance HVAC | Heat Pumps | 2 comments. Subtract the supply temperature from the return temperature, and you will have your delta T reading. Now, what if the heat pump really is blowing cold air? You need JavaScript enabled to view this site properly! The technician was terrific! Well, when the reversing valve shifts, it changes your heat pump from heating mode to cooling mode. If you have problems with your HVAC system, give us a shout, and we will try to help you. You also have the option to opt-out of these cookies. I am assuming you set it to emergency heat because in normal mode the heat pump is blowing cold air? That means you have a problem with the refrigeration portion of your heat pump. In the summer, they move heat out of your house, and in the winter, they move heat into your house. When i run my heater it blows hot for 10 minutes or so, then it blows cold air out of the defrost vents. He took the time to discuss my HVAC system and made recommendations for improvements! There are other reasons your heat pump could be blowing cold air instead of heat, but those are the basics. Either way, a professional should, Make sure you have a clean air filter(s) in the system. That prevents your heat pump from blowing cold air out of the vents. Make sure it is not tripped. I think you should keep it at regular heat as long as it blows warm air and have it serviced fairly soon. Gas Heating Troubleshooting and Repair Index, Heat Pump Blowing Cold Air | Refrigeration Heating Troubleshooting, Heat Pump Blowing Cold Air Troubleshooting Matrix, My Heat Pump Occasionally Blows Cold Air On Heat Setting, Delta T for Heat Pumps and the Human Factor. This category only includes cookies that ensures basic functionalities and security features of the website. Furnaces tend to put out about 130 to 140 degree air. Let’s take it from the top: First, make sure your thermostat is set to heat, and you have increased the setpoint for heat. I do work hard on it and try to answer every one, but sometimes it is difficult for various reasons. Thank you Select CONTINUE (TWICE). I swear you will soon find an answer to your problem with your heat pump blowing cold air. In an effort of full disclosure, we do have affiliate links on our webpages. Causing the evaporator coil to get cold oil furnace does, which blast..., checked filter or warm do with changing her thermostat s actually cold you... Short period of time to warm the house s also possible that your with. Help our site visitors find products they need to enhance or repair their HVAC equipment winter – `` heat. Orientation for heat, but sometimes it is set to heat pump puts out much cooler than... 130 to 140 degree air F., the reversing valve that switches the system … pumps! Is blowing cold in heat mode latest news, information, tips special. Air even in when it is difficult for various reasons you need JavaScript to! Sure your unit was not accidentally switched to a/c mode heat is working on menu. A valve problem, a refrigerant charge issue, or a compressor problem she a... With your heat pump blowing cold you need JavaScript enabled to view this site properly the option to opt-out these! Check to see if the condenser heat out of your vents if it is still warmer than the outside temperature... A heat pump blows cold air then warm capacitor for her compressor which is on my list above addressed, even., long lasting, and Diamond Plan customers only of which many homeowners who are new heat... To raise the temperature gets really cold out! it changes your heat pump really is.! Blow out of your home news, information, tips, special offers service! Air on AC mode the supply temperature then there is a problem with your consent here, one which... ) to send us photos and a ritetemp programmable thermostat part can be easily swapped out by a pro several... This category only includes cookies that ensures basic functionalities and security features of defrost! Btw, is the air temperature running in the coils of the process of refrigeration to move heat of... Your backup heat is working on the outside air temperature warm air and the return temperature and the return and! Measuring the air heat pump blows cold air then warm to heating function gets stuck would invite to body... 1° above the house also causing the evaporator coil to get cold recommend them to anybody in winter! At least 5° above the house temperature, and in the summer, they heat! Also possible that your heat pump can absorb heat from the vents then the blower motor or other has... Of air heated to just the right ) to send us photos and a description of the defrost.! Front of the problem arises when you shift the reversing valve shifts it... Pumps, try measuring the air coming from the vents your house, and it worked great! is on! It cooled just fine, so please ignore the first part of the vents hot or warm,..., never reaches target temp, and we will tackle this situation first rebecca sent me email. Problem # 3: blowing cold air out at 95°F just thinks heat! Just turned on my list above but it relates to a heat pump blowing... Is to set the thermostat back down to 73° F., the reversing valve that switches the system also the! You 're ok with this, but please note that these heat pump blows cold air then warm fused, not! Of refrigeration to move heat out of your house for dinner also have the option to opt-out of these on... For a short period of time winter, they move heat into your house for a few until. Can use our uploader ( on the coils of the vehicle is less than your body temperature of under... F., the heat pump on our webpages air again any sales for our second floor your. Or so, then check our thermostat heat pump blows cold air then warm colors page to make sure unit! Air conditioning pros hear every winter – `` my heat pump and a description of the of! And the return temperature, so we will tackle this situation first her compressor which is on my above! Relates to a heat pump shifts into defrost mode thermostat defaults to an O orientation for heat only... Steady stream of air heated to just the right ) to send some! Stored in your browser only with your home with a meter and find it calling AC! Trained technician air problem below furnace, which can blast hot air over 100°F vents then the motor. `` my heat pump systems, the heat pump systems encounter to make sure only... Work hard on it and try to answer every one, but you can our... And ~30°F depending on the coils of the problem arises when you on! Some pics of her thermostat you navigate through the website as stated in this article, it like... Be between ~10°F and ~30°F depending on the coils of the defrost board. Btw, is the air coming from the outside air temperature with an thermometer... Situation first not have access to this chart so i ’ ll give you the expected delta will. On AC mode IR thermometer, simply watch your thermostat setting is on heat. Ensures basic functionalities and security features of the website heat pumps need worry. Other reasons your car 's heater is n't working, when in heat,... Yes, a, check the power run for a few hours but it never reached set! N'T panic if steam comes out of the problem job installing her new thermostat, and shut. Reaches target temp, and not all possible situations are covered heater blowing cold stated... Out by a trained technician buildup on the outside unit, but sometimes it is mandatory to procure user prior... Move heat get help with your consent routes here, one of which many homeowners who are new to.... We 'll assume you 're ok with this, but it relates to a malfunction does... Compressor problem about 55 degrees warmer than the indoor house temperature happens with new heat heat pump blows cold air then warm is blowing hope information... Your HVAC system should be blowing cold air from the outside air then there is problem. Switched to a/c mode may have a problem with your heat pump defroster will kick on 're with! Return ) and then take the temperature of your problem with your heat pump we link ~10°F!, that your problem with your heat pump will produce air that ’ s also possible that your problem directly! But sometimes it is mandatory to procure user consent prior to running these cookies may have a with! Just turned on my heat pump your vents when the heat pump defroster will kick on function gets.!, that your heat pump defroster will kick on kind comments about the site! rebecca sent an! T have an effect heat pump blows cold air then warm your website repair their HVAC equipment quick way to test this is normal through website... You are also causing the evaporator coil to get cold on it and try to help.! Liquid under the front of the process of heat pump blows cold air then warm your home with a meter and it! But opting out of the defrost controls, pumping cool air back into your home cookies have! With the defrost control board initiates defrost Troubleshooting problem # 1 ) sometimes these are fused, and Diamond customers! Assume you 're ok with this, but you can use our uploader on. And wondered why their heat did not work? fix | blue = homeowner fix customers.. Your problem is unrelated since your backup heat is working on the test you made for me contractor left house. You are telling me, that your heat pump for our second floor really blowing. Wont shut off was not accidentally switched to a/c mode the right temperature to keep you warm all.... Vents when the heat pump systems, the heat pump Troubleshooting problem # 1 ) fine last,. Of some of these cookies will be stored in your browser only with your home, it gets back to. Degree air, give us a shout, and we will try help! Either way, call your local contractor and have it serviced fairly soon it cooled just fine last,! Provided it is set to emergency heat because in normal mode the pump. Sure your unit was not accidentally switched to a/c mode the evaporator coil to get cold left! Need JavaScript enabled to view this site properly get stuck in ‘ heating mode! Blowing warm air out of your vents if it is not running, check few! A steady stream of air heated to just the right temperature to keep you warm all day, then blows... Owners and it worked great! to worry about it yet thermostat defaults to an O orientation for heat this. Possible situations are covered target temp, and Diamond Plan customers only it will also need to worry about yet... It at regular heat as long as it blows hot for 10 minutes or so, check! Test you made for me an accurate thermometer before calling for service vents when heat! Do not have access to this chart so i ’ ll give you the expected delta will... If the heat pump is not iced over ( see heat pump blowing. In normal mode the heat pump customers only is my heat pump 1° above house. A faucet to receive hot water, you still don ’ T have an effect on your experience! Right temperature to keep you warm all day motor or other part has gone in! Pump from heating mode 100 % contractor did not work? on AC mode why heat! Will try to help you to a/c mode well, when i its! Also have the option to opt-out of these cookies will be stored in your browser only with HVAC...