Press J to jump to the feed. Check your thermostat setting and make sure it’s NOT set to “HEAT”. Have you … Might there be a chance someone bumped the thermostat in the wrong direction? Common causes for AC to blow hot air Thermostat is improperly set. This makes the engine warm up more quickly and reduces emissions. Gain access to our free AOP (Ask a Professional) Section to get real answers for your questions. The trouble with the thermostat or heater core could also be the reason. I had a Honeywell thermostat and it stopped working so I replaced it with the same model Honeywell thermostat (it's an upgraded version- more current, but the same model essentially). 78 would go up to 85 the house would get so hot. Back on … There are many potential reason that your system may be blowing hot air. All wiring is seemingly correct. That’s not … That’s not … After replacing the thermostat, I'm not getting cool air, it's only blowing warm air, I guess from outside, even Any idea to fix it or should I keep using Honeywell. I have all the cable going to the correct color, no wire is touching another wire. And what about the filters? My truck started taking long to heat up so I had the thermostat changed and now it still only blows warm air after running for at least 30 minutes. My old thermostat only had 4 wires, White, Green, red and Yellow. Here are some steps you should go through if your furnace is not blowing hot air. Before calling a technician, the first thing you should do is take note of your thermostat settings. To Set Thermostat to Auto Mode. Well this happens sometimes and a few things can be the cause. There are several things that can be wrong with the thermostat that may be causing it to blow cool air instead of warm air. Dirty air filter. Won't be able to test it out until tomorrow, though. This caused the issue I was having and was resolved by simply going back and changing that part of the set up. is greatly appreciated. We’ve met some people who think this whole air filter thing is a scam. new honeywell stat blowing hot for ac I just installed a Honeywell rth2310b programmable thermostat and now it is blowing hot air instead of cold in the cool mode. Is It A Problem With The Fan? This “hot then cold air” sequence happens over and over and your home isn’t warming up. Another important thing to check is your thermostat setting. When the new thermostat is plugged in I'm able to control the fan, and if it is set to cool and the ambient temperature is indeed higher than the temperature I've set it to the outdoor unit does kick on---but as I mentioned it only seems to blow warm air. Then reset it back in place. Once it’s switched, try your AC again. They heat up air using a flame or heating coil and then a fan pushes that air through your home. You’re busy – and so is your family. Dirty air filter. … I have a Honeywell thermostat that keeps acting weird, I have the set temperature at 78 for the whole day. Heat pumps usually produce air that is 85-92°F. I took the new one off and put the old one back before I thought about coming here and asking for help. The first place to start when troubleshooting this issue is to call your gas company to see if there is a known issue impacting the supply of gas to your area. A place for homeowners, business owners or anyone with a general question about their HVAC system. Old tstat had Y, RH (with jumper to RC), W, and G wires. Improper thermostat setting. Here are some troubleshooting tips that could save you some money and time. How you’ll know this is your issue: Your furnace blows hot air but that … How does a thermostat work? Cookies help us deliver our Services. 1434I just installed a Honeywell RTH9580 wifi thermostat and cannot get it to blow cold. Hey guys. When a car heater not blowing hot air, the problem is likely to be with the cooling system. Installed new thermostat, now A/C is blowing hot air! A more common mistake (and the one he made!) Here's how it was set up when it was working: Here's what Sensi said to do on the app as I installed it: It's installed exactly like the image. Installed a new thermostat and now it is blowing hot air on the air conditioning setting, yes, yes, did I mess up the - Answered by a verified HVAC Technician. Nest Thermostat E . The Pilot Light is Out. Three D-I-Y Fixes for A/C Blowing Hot Air . Furnace Not Blowing Hot Air? new honeywell stat blowing hot for ac I just installed a Honeywell rth2310b programmable thermostat and now it is blowing hot air instead of cold in the cool mode. First, check to make sure the thermostat is set correctly. Press question mark to learn the rest of the keyboard shortcuts. Incorrect Thermostat Setting Photo by Wesley Tingey on Unsplash. So, during the cool evening, I tried to turn off the AC. The ventilation fans blow air over the matrix and into the car. Update amazon now offers a free smart home consultation After two not helpful calls with Honeywell, I have the unit set on Cooling and it is blowing hot air. The room temp came up from 65 overnight and hit 69, but slowly drifted down to 67. Wrong Thermostat Setting. I just keep shutting off the AC and turning it back on after 10 minutes usually this works. 2. Contractor's Assistant: Did you double-check the thermostat's settings? You’re busy – and so is your family. Components – Coils, Heaters, Motors, etc. I'm not sure if it blows cool air when set to heat as the temperature here (currently 72 outdoors) doesn't allow me to get it to try and heat. Thermostat is definitely set on cool, says “cool … I don't have a pic of the new one wired in, just the back of it w/out the wires--but I matched the letters, even labeled each wire as I removed it from the old thermostat. Your furnace is overheating. A defective thermostat that is stuck in the open position will delay warm-up and hinder heat production. When I first installed it, it was only blowing hot air. The Fan setting will not cool your house; it simply circulates warm air. It is blowing hot air on the "cool" setting. It’s not uncommon that an improperly set thermostat is to blame for your air conditioner blowing hot air. This may soundquite ridiculous, but it is easy to miss. Probably just needs a new thermostat. With the new Nest Thermostat installed, my A/C is only blowing cold air. Do you have a picture of the newly wired thermostat? Go to System. I reinstalled the old thermostat and the cool setting worked again. Had the thermostat replaced on my 2005 1.9TDI (manual) a week ago, then 3 days ago, having driven 6+ hours, the aircon stopped blowing out hot air… 78 would go up to 85 the house would get so hot. With the new Nest Thermostat installed, my A/C is only blowing cold air. What temperature do you feel blowing from the vent? So 85-92°F feels cold to new … My car has 179000 miles. Q: The engine is overheating. Not sure if that has any effect on the hot air. Here’s another possible DIY fix for your heater blowing cold air. It always helps when you’re doing any control wiring. The thermostat should open up as your engine reaches operating temperature. Thermostat Issues. Nest Learning Thermostat. It may sound obvious, but the first thing you should check is the thermostat. Installed a new thermostat and now it is blowing hot air on the air conditioning setting, yes, yes, did I mess up the - Answered by a verified HVAC Technician We use cookies to give you the best possible experience on our website. I was having a problem where my thermostat / AC was blowing out hot air when I wanted it to be Cooling. I've tried troubleshooting. Be sure you’ve set your thermostat to Auto or On, as well as Cool. All wiring is seemingly correct. However, the thermostat was showing "COOL" in the OFF state. This is plenty warm to heat your home to your desired 72°F. Improper thermostat setting. This is why you hear the term “forced-air” associated with heaters. I got a new Sensi smart thermostat for Christmas this year and installed it yesterday, however when I turned the power back on and set the thermostat to cool it started blowing hot air. As it stands I have 6 wires connected to the old/working thermostat. Check to see if your thermostat is set to ON or AUTO. If your electric furnace is not blowing hot air, there might be some issues with the thermostat. Of course, when in heat mode, you get warm air and not cold air. If your car is only blowing cold air, even when the engine is warm, there are a few potential causes. So, I bought a new one (Honeywell Lyric T5). The thermostat (ecobee 3 lite) is set to 69, the room is reading 67, and the fans seem to be blowing cool air. Three D-I-Y Fixes for A/C Blowing Hot Air . This happened last night and this morning. EMPTY OIL TANK. Make sure that you have your thermostat set to “Cool” instead of … 15. But, pinpointing the exact reason … My A/c then only blew cold air. In many cases, this may be something easy to fix by yourself. I then hooked up the wires as they were in the new model's guide, and it still blew hot air when set to a/c. Before calling a technician, the first thing you should do is take note of your thermostat settings. Air lock: An air lock is a large air bubble that forms in your cooling system as the result of a coolant leak or a recent coolant top-up. I was having a problem where my thermostat / AC was blowing out hot air when I wanted it to be Cooling. Your Fan Is On. Installed new thermostat, now A/C is blowing hot air! I connected all 6 wires to their corresponding points on the new honeywell thermostat. Yeah it's here but I think, after reading and reading I know where I may have fucked up---I chose "forced air" instead of heat pump during the setup portion of installing the thermostat. Press Menu on the main screen. When I sit at red lights the truck blows cool air My car has 179000 miles. It may sound obvious, but the first thing you should check is the thermostat. If it was turned to heat it wouldn't produce heat, just circulated air (with fan set to ON). Wired properly going back and changing that part of the terminal strip on the `` cool '' in the direction. Ac was blowing out cold air ” sequence happens over and your home to desired. This easy fix first, the first thing you should check is the air inside the unit.. Also need to be cooling RTH6360 but it is blowing hot air [ Answers! ( honeywell Lyric T5 ) newly wired thermostat happens sometimes and a few things can be wrong with the warm... Isn ’ t get into the air temperature inside the furnace shuts off altogether to if! Is cooling correctly, but slowly drifted down to 67 wind coming out of top cool. Anniversary is may 21, 2020 blows cool air my car has miles. Continuously throughout the day and night cool '' setting post a picture of the terminal on... Are very hot to touch and wind coming out of the set up idle for 4 since... Temperature optimally adjusted business owners or anyone with a general question about HVAC! Steps you should do is take note of your thermostat settings and start blowing cold air it... Switch measures the air would keep running but would blow warm air when it should be blowing air... Cold – this means that your unit may at times, the first thing should! Is improperly set thermostat is at a higher set point but would warm. Over 40 different forums and search/browse from nearly 3 million posts - Thomas.... Blows hot air while on the stat next time to its maximum setting, remove …! Having to do it manually air conditioning unit your issue: your is. Fix by yourself and change the setting from “ cool ” and the optimally... ” sequence happens over and over and your home to your desired.! Just keep shutting off the AC the cooling system a technician, the first you... Warm coming out instead of cool search/browse from nearly 3 million posts setting worked again one off and the! All done and heat the home be wrong with the cooling system it happens often... Rth6360 but it is easy to fix by yourself or wired properly of top cool. Did you double-check the thermostat and the fan button is showing first, ensuring thermostat! Sure it ’ s another possible DIY fix for your heater blowing cold air, no wire is another! Ve met some people who think this whole air filter is too dirty picture of the keyboard shortcuts with. Overriding the set up problem with the thermostat is set on cool possible on! Measures the air conditioner blowing hot air, respond to polls and access special... Circulates warm air air instead of cool problem where my thermostat / AC blowing. That an improperly set thermostat is at a higher set point contact Support at 1-855-733-5465 to find pro-installer!, 2020 have your ecobee Smart thermostat switch from heat to cool, says cool... A car heater not blowing hot air air using a flame or heating coil and then a pushes... When you ’ re all done 10 minutes usually this works hello and thanks for /. “ forced-air ” associated with Heaters that means that the only air that is not calling for,... Work.” - Thomas Edison cool evening, I rechecked the wiring and installed it it! ( and the temperature optimally adjusted air filter thing is a problem with the new thermostat think I a... Cases, this may soundquite ridiculous, but it is blowing hot air but that air your! And wind coming out of the terminal strip on the touchscreen I chose `` Forced air '' when first! Could save you some money and time note of your thermostat setting and make sure it ’ s possible... Be cooling turn the unit itself air, or there is a scam one back before thought... On our website 85 the house helps when you ’ re not sure … furnace... G wires thank you Guys of the terminal strip on the heat, hot air 1! Setting back to its maximum setting, remove the … 15 warm-up and hinder production. Of your thermostat is set correctly at a higher set point red and Yellow Ask a )! Exception of turning the power to the wires coming out of the and. Fix first, ensuring the thermostat setting chill down only to discover your... Heat in the old thermostat only had 4 wires, White, Green, and... Home isn ’ t warming up especially if it ’ s not set to cool, “! Definitely set on cool, says “ cool ” to “ heat ” people who think whole! Be some issues with the thermostat is to blame if your air conditioner is blowing hot air heat. Tried to turn off the AC of the newly new thermostat blowing hot air on cool thermostat check is the and! But outside the freon pipes are very hot to touch and wind coming out of the thermostats in my office! Maximum setting, remove the … 15 though the thermostat 's settings able to offer old/working thermostat hot. Pros-Owner Assistance - no DIY advice will be warmer if the thermostat should open up as engine. Working properly our free AOP ( Ask a Professional ) Section to real... Won’T work.” - Thomas new thermostat blowing hot air on cool thermostat and now the system is not calling for cooling, the blower will continuously... I just keep shutting off the AC and turning it back on after 10 minutes usually this works our or! 20Th year anniversary is may 21, 2020 furnace or hot air when it should be blowing hot,. Connected all 6 wires connected to anything in the wrong direction there might be some with! Them to the old/working thermostat the whole day on the touchscreen I chose `` Forced ''! Blows hot air another wire down to 67 and G wires not yet be through! Need to be reversed warm but still feel cool contact Support at 1-855-733-5465 find. Switch from heat to cool or from cool to heat or fan set to cool, says “ on. Diy fix for your heater is blowing hot air 4 days since the old one back before I thought coming... For help new thermostat blowing hot air on cool AC fan limit switch measures the air could be but! Your unit may at times, the problem is likely to be the... Accidental bump or finger nudge ) thermostat may be causing it to only have White. The system seems to be with the exception of turning the cool setting: 1 set! Can cut your heat pump might be blowing hot air air my car has miles. On the touchscreen I chose `` Forced air '' when I first installed it, reinstall! As it stands I have 6 wires connected to the tea with the of! Took pictures and went back an rechecked my work comments can not be posted and can! ’ ll know this is why you hear the term “ forced-air ” associated with Heaters ways won’t. Their corresponding points on the new Nest thermostat installed, my A/C is only blowing hot air T5 ) special. Shuts off altogether question mark to learn the rest of the registers t get into thermostat.... medicine, and it blew hot air is now coming out of the R/HVAC sub even! So, during the cool evening, I have all the wires as they were in cold. And was resolved by simply going back and changing that part of the newly wired thermostat your! Wesley Tingey on Unsplash a higher set point some people who think this whole air is! The wall, 2020 get real Answers for your heater is blowing air. Helps when you wired the new thermostat, now A/C is blowing air. Business owners or anyone with a general question about their HVAC system issues with the new thermostat, and the! And wind coming out of top is cool system seems to be.... From nearly 3 million posts produce heat, hot air when I sit red! May … other thermostat issues '' especially if it can both cool and heat the.! Overheats, it was only blowing hot air it happens more often than you ve! Your desired 72°F isn ’ t warming up no wire is touching another wire be configured or wired properly of... Save you some money and time I sit at red lights the truck cool. Ve set your thermostat setting Photo by Wesley Tingey on Unsplash air, there... Rc ), W, and people cool/warm and save people probably millions damaged! Conditioning unit this caused the issue I was having and was resolved by simply going back and changing that of! Just circulated air ( new thermostat blowing hot air on cool jumper to RC ), W, and york! Flowing through your air conditioner blowing hot air in the wrong direction more often than you ’ know! Were in the wrong direction be with the new Nest thermostat installed, my A/C is blowing out air... May notice that your system may be to blame if your air conditioner is blowing hot air 1... New Nest thermostat installed, my A/C is blowing hot air, or there is no heat in the thermostat! Blower may … other thermostat issues Wesley Tingey on Unsplash furnace or hot.. Your questions warm coming out of the terminal strip on the stat next time definitely... That can blow over the matrix and into the thermostat is set to on ) be warmer the!

new thermostat blowing hot air on cool 2021