If everything fires up you're good to go. This happened last night and this morning. I had to check the username to make sure I didn’t post this myself in a sleepless haze this morning. My heat pump is about 13 years old and it's not blowing cold air inside when set to cool. I should note that our HVAC is fairly new, I think. The room temp came up from 65 overnight and hit 69, but slowly drifted down to 67. Generally speaking, a heat pump will produce air that is about 55 degrees warmer than the outside air. Heat pump will not blow cold air but the fans are running. Use insulated needle nose pliers to remove the connectors/wires. Even a damaged cap that you think is safe can bite you, and just because you have it off the machine doesn't mean it's discharged. With the unit running, feel the copper pipes coming out of the outside unit. Don't panic if steam comes out of the top of the outside equipment. 3) The compressor could have faulted out. And, in cold weather, heat pumps tend to blow warm air out at 95°F. I strongly doubt you do. It is likely something with the unit not the thermostat. 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. Check to see if the capacitor has expanded like an intoernal pressure has bowed out the walls. And the filter is relatively new (maybe two months old?). In the winter..........the outside air is changed to heat. Heat pump not heating. If there's more than one contactor (not likely), use a non-conductive something to push in that button. Before calling a technician, the first thing you should do is take note … It should be pulled in (square button on the top in the middle). Incorrect Thermostat Settings. - Check fuses in the power box that supplies the AC. Short it out, pull the wires and toss it. The air blowing out of the top of the outside unit is cold not warm. How do you think about the answers? To solve the problem, try these 2 things: Turn off the heat at the thermostat and check your air filter. 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. The Pilot Light is Out. But I don't think that's the issue here. Tom can help. The thermostat (ecobee 3 lite) is set to 69, the room is reading 67, and the fans seem to be blowing cool air. But before we condemn the compressor, let's check some stuff: - The thermostat is set to COOL, right? The heat pump brings in outside air, the outside air hits the condenser and changes to either heat or A.C. and then this blows into the house. See if the connections are tight. A heat pump has a condenser. But, if something goes wrong and your heat pump is suddenly trying to cool your home in the middle of the winter, you have a problem. Fast or slow? A subreddit for ecobee and all their smart home products. Gas furnace + AC. The air feels like room temperature. It blows cold air when the heat is on. Wire the new one the way the old one was. Heat pump blowing cold air in heat mode. The air feels like room temperature. I checked the outside unit and the fan is running. This happened last night and this morning. When it happened, it was about a half hour before the next setting ("sleep" or "away") was about to kick on. A dirty air filter can block airflow over your furnace’s heat exchanger, which can cause it to overheat. 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. If it’s dirty, change it! The site may not work properly if you don't, If you do not update your browser, we suggest you visit, Press J to jump to the feed. 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). The house is a balmy 72 right now. Even on the compressor. The house was renovated in 2017, and we're the first owners post-flip. My electric meter is making ticking noise every 7 seconds. Dirty filters can cause the coil to freeze up and prevent the air from being cool. The control board LED is red and flashing fast, with no pauses, which I think indicates "calling for heat". Don't panic if you see frost on your outside equipment's coil. Get help with your home improvement projects. how much a flat roof should cost for a repair or replacement ? Does the compressor hum, then quit? Anyone have a suggestion based on electric heat? Help! A flame sensor error should trigger the LED error code (5 flashes followed by a pause). So...what do you think? In the summer, they move heat out of your house, and in the winter, they move heat into your house. - Contactor okay? The refrigerant is not the only part susceptible to leaks. Thanks for your advice! New comments cannot be posted and votes cannot be cast. All too often, restoring the flow of warm air is simply a matter of opening … If the airflow to your unit is blocked by snow, ice, leaves or another type of … Is there an LED flashing? When my heat pump is set to heat it feels like there is cool air coming out of the vents and a couple of the rooms in my house feel cooler than they should. You can sign in to vote the answer. Our heat pump repair professionals can have your heat pump … Hi all, I think our thermostat/furnace isn't working properly. It will also need to be replaced by a technician. You sure? Swap gas burners with Electric heat coil? Press question mark to learn the rest of the keyboard shortcuts, https://www.trane.com/content/dam/Trane/Commercial/global/products-systems/equipment/unitary/split-systems/Small%20Splits/Furnaces/18-CD29D1-14-EN_08012016.pdf. I think the HVAC is all new. Look, there's no need to worry about your heat pump operation in cold weather...in this article, we will discuss everything you need to know about heat pump temperature ranges, including at what temperature a heat pump is not effective, what a heat pump is, and some other options you have to keep your heat pump sizzling in the winter. If your heat pump is blowing cold air, some possible causes include: Low refrigerant levels; Problems with the reversing valve ; Thermostat accidentally set to “cool” mode; Fan set to AUTO; Dirty outdoor unit ; The system is in a defrost cycle The air blowing out of the top of the outside unit is cold not warm. If you haven’t had maintenance in a while, an air flow problem may have developed, which can alter the quality of your heat pump system’s heating and cooling power. If the heat pump is not blowing enough cold air, there might not be enough refrigerant to move the heat out of your home. 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. If your heat pump is not blowing hot air, there are typically three main causes: Unit is blocked: Your heat pump pulls heat from the air outside into your home. Though occasional, the refrigerant also needs maintenance like other parts of your heat pump. The burner is pulsing, rather than showing a consistent orange glow. I'd call a professional if your heat isn't kicking on. NOTE: turn off power before touching the cap. Posted on August 2, 2016 by johnson June 8, 2018. come on in the heating mode ? A new compressor will set you back $1000 or more, so don't be caught flat-footed. ? Check your thermostat - Double check that the system didn’t accidentally get set for cooling. Clogged air filters could be causing cold air to blow out of your vents. Here’s another possible DIY fix for your heater blowing cold air. It shouldn't ever happen but sometimes it does. If the heat pump turns on when you want cool air, but not for heat, this is likely the cause. And be warned - even if a "hard start" gets it running again, start saving up for a new one. You mention airflow inside the house, so the filter is flowing. Details. Here you will need a technician to be sure. The furnace blowing cold air, or there is no heat in the house. I don't think the furnace does. If your heat pump is reaching your set temperature… If your heat pump is reaching the temperature you’ve set on the thermostat but it feels like it's blowing cold air, there is likely no issue with your heat pump. Heat pump not blowing cold air inside when cooling? But, when it’s really cold outside, like a 20 degree day, your heat pump output might drop to 95 or even 85 degrees. While that’s warm enough to raise the temperature of your home, it … 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. Other thermostat issues. Update: I took apart our furnace and cleaned the flame sensor. Still have questions? Thanks in advance! How you’ll know this is your issue: Your furnace blows hot air but that … Make sure the thermostat is set to “AUTO”, not “ON”. Short the terminals of the cap together (power off) before touching them. Look at the control board during a call for heat. If the compressor fires up, your problem is with the contactor or the transformer that powers it. That could keep your condenser fan powered but not provide both legs of 240 to the compressor. Still no joy? What is the best AC Brand to use at Home? 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. Also check your fan control settings. I checked the outside unit and the fan is running. It should be if it's there. My heat pump is about 13 years old and it's not blowing cold air inside when set to cool. Things can vibrate loose on a condenser. You said the outdoor fan is running but I'm covering the bases. In the summer......the outside hot outside air is changed to cool air. 2) Sounds like the compressor may not be running. If they aren't, your compressor may be on the fritz. It's a statement heating and air conditioning pros hear every winter – "My heat pump is blowing cold air!" Your heat pump may be working fine, but the air just feels cool to lukewarm. Heat Pump Service and Repair … If there's a shutoff right there on the wall next to the outdoor unit, it may be breakered or fused. Hi all, I think our thermostat/furnace isn't working properly. Possibility #2: Reasons your heat pump is actually blowing cold air. Heat pumps actually blow air that is warm but feels cold to us. Is it crazy to do it annually? Frank telling you to check the filter is right - that's just good practice. Any help is appreciated. - Transformer okay? Furnaces tend to put out about 130 to 140 degree air. Be sure you get a new cap like the old one. Sometimes one leg of the breaker will trip but the other side keeps going. The indicator light shows "calling for heat." This could make it feel like … Your heat pump needs servicing. Capacitors can lose their charge, too, so you could try changing it for about 16 dollars. Any help is appreciated. The thermostat (ecobee 3 lite) is set to 69, the room is reading 67, and the fans seem to be blowing cool air. You'd be surprised how often people get this wrong. In this video we discuss a common question we get in the winter which is: Why is my heat pump not blowing hot air? Why a Heat Pump Will Blow Cold Air. At this point, you need a pro. Here's where things get a little technical. Yes, your body may be tricking you into thinking the heat pump isn’t blowing hot air. Clogged Air Filter. 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. How do I know if my air ducts need to be cleaned? - Breaker on? Someone did this for us last year, and it seemed to help. What to do if your heat pump is blowing cold air. If your heat pump overworks, or refrigerant is leaking from your system, it may begin to form ice, freezing up and generating cold air. No flippant answers please.? When set to “ON” the fan will stay on even when your heat pump isn’t actually heating. So what’s defrost mode? To heat your home, a heat pump works like an air conditioner in reverse: it extracts heat from the air outside and sends it into your house. If slow, how many flashes before there's a pause? Here's the wiring: https://imgur.com/a/pC1D5jq. If not, your system may have a valve problem, a refrigerant charge issue, or a compressor problem. I checked the outside unit and the fan is running. 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. If so, your heat pump is blowing warm air that just feels cold to you. 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Here’s the downside of a heat pump: The warmth of the air it produces is entirely dependent upon the outside temperature. Get your answers by asking now. Your furnace is overheating. But it is definitely still heating your home. Make sure the air filter is clean. A cap can hold a charge that will make you REALLY HATE LIFE if you aren't careful. Pilot … What could a small spark when turning on the power switch by the socket mean, in UK? https://www.trane.com/content/dam/Trane/Commercial/global/products-systems/equipment/unitary/split-systems/Small%20Splits/Furnaces/18-CD29D1-14-EN_08012016.pdf. 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. Next, check your outdoor unit is not iced over (see Heat Pump Troubleshooting Problem #1). I checked the system monitor data. Haven’t had any issues with it until the past few weeks. Frank zeroed in on this and I am too, but I want you to look at everything and familiarize yourself with the machine. This is only valid if you have more than one contactor. 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. For a heat pump or heater to produce warm air, air must flow easily through the … Call an HVAC specialist and have them service your furnace. 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. A heat pump puts out much cooler air than a gas or oil furnace does, which most customers are used to. - Capacitor okay? I'm wondering if the ecobee thinks I have two stage heat. So the air from the heat pump just FEELS relatively cool compared to your body. This problem only started recently when it started going from fall to winter. There are a few reasons your heat pump could be blowing cold air. Looks like you're using new Reddit on an old browser. Similarly, air conditioners can blow air as cold as 55 degrees, which is a lower temperature than the cool air from a heat pump. Short of checking voltage and a resistance check and refrigerant pressure and temperature check, that's about all I can think of. Testing a cap isn't easy if you don't have a meter but they aren't too expensive either, so you can just write down all the ratings, get a new one and switch them out. When you return power to the system, listen. Haha. It doesn't have to match exactly, number of terminals and electrical ratings have to match but that's all. Any help is appreciated. Have you … Open the Heat Registers. While there may be a chance the system … Sounds like a dirty flame sensor. The big one should feel cooler than the outside air, the small one warmer. The contactor is a big switch that is powered by a little switch. Don't forget to POWER OFF. It's all part of the process of heating your home with a heat pump! - Answered by a verified HVAC Technician. The air blowing out of the top of the outside unit is cold not warm. Here’s why: The average body temperature is around 98.6 °F. Here’s why: the heat pump may be putting out heat that’s slightly below your body’s temperature (98.6 degrees F, just FYI). I checked the furnace (Trane XB). 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. To make sure that your heat pump is actually blowing cold air, … It allows little things like thermostats operate big loads like compressors. For the best answers, search on this site https://shorturl.im/hTd9W. The room temp came up from 65 overnight and hit 69, but slowly drifted down to 67. Also, does the comp. Heat pumps use the process of refrigeration to move heat. I've cleared all of the returns, so airflow is going back to the furnace. It's not supposed to do this. You might need a hard start, or it might be cooked. I checked the system monitor data. Do you have furnace + AC or heat pump + furnace aux heat? I am having this same problem but my heat is electric. Join Yahoo Answers and get 100 points today. In other words, the unit’s refrigerant is most likely leaking. The nest seems to blow warm air normally but once it switches to alternative heat source, then it starts blowing cold air. Healthy air flow is vital to a heat pump. But when the … What is this kitchen utensil? Because heat pumps only transfer heat (not generate it like a furnace), they’re a highly efficient form of heating.. We cover heat pump operation in more detail in our blog, “Heat Pump vs Conventional Air Conditioner in San Marcos, TX”. If so then you need a new capacitor. My heat pump is about 13 years old and it's not blowing cold air inside when set to cool. The air feels like room temperature. 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N'T ever happen but sometimes it does n't have to match exactly, number of terminals electrical... Though occasional, the refrigerant also needs maintenance like other parts of your heat pump the. Cooler than the outside hot outside air, the unit not the only part susceptible leaks... That the system didn ’ t accidentally get set for cooling one was pumps actually blow air that feels! Oil furnace does, which most customers are used to a little switch...... the air. Heat source, then it starts blowing cold air and we 're the first owners post-flip the.. Cap can hold a charge that will make you REALLY HATE LIFE if you have more than contactor! Dirty air filter can block airflow over your furnace outside hot outside air changed... And a resistance check and refrigerant pressure and temperature check, that 's the issue here 140 degree air by! Check that the system, listen heat source, then it starts blowing cold air make it feel like heat.