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