The instructions depend on which thermostat you have. My A/c then only blew cold air. I connected them as follows: Old New W = W Y = Y G = G RH = R (with jumper to RC) The unit outside turns on and compressor is running when thermostat set to cool. Turn the unit off, order a new filter or clean it, then reinstall it back to its original position. Post photos, respond to polls and access other special features. An air lock prevents the coolant from circulating properly and can cut your heat output. I have a Honeywell thermostat that keeps acting weird, I have the set temperature at 78 for the whole day. 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. I was having a problem where my thermostat / AC was blowing out hot air when I wanted it to be Cooling. Might there be a chance someone bumped the thermostat in the wrong direction? It is blowing hot air on the "cool" setting. So, what am I missing here? 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 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. Simply flip the thermostat setting back to “cool” and see if the air conditioner begins to blow cool air … With the new Nest Thermostat installed, my A/C is only blowing cold air. The Furnace Is Blowing Cold Air. When I sit at red lights the truck blows cool air My car has 179000 miles. During the setup phase on the touchscreen I chose "Forced Air" when I should have chosen "Heat Pump." If you have a gas furnace and you have cold air blowing from your furnace then you should check to see if there are any issues with your gas supply or supply lines. I was having a problem where my thermostat / AC was blowing out hot air when I wanted it to be Cooling. The Pilot Light is Out. If your furnace keeps blowing cold air, you may notice that your air filter is too dirty. Nest Learning Thermostat. You’re busy – and so is your family. It happens more often than you’d think (usually from an accidental bump or finger nudge). Three D-I-Y Fixes for A/C Blowing Hot Air . Sometimes people bump into the thermostat and change the setting from “cool” to “heat”. Hello and thanks for reading / giving any advice that you're able to offer. When a car heater not blowing hot air, the problem is likely to be with the cooling system. I followed the instructions to the tea with the exception of turning the power to the unit off. So the old thermostat was working properly correct? The Fan setting will not cool your house; it simply circulates warm air. Thermostat is definitely set on cool, says “cool … Press J to jump to the feed. Installed new thermostat, now A/C is blowing hot air! Select the thermostat you have: Nest Thermostat . Pilot … Check your thermostat setting and make sure it’s NOT set to “HEAT”. It may seem simple, but you would be surprised at how many people (including one of our own team members) have made this simple mistake. I then reset it and added the second white wire (s1 wire) into the o/b wire slot to see if that changes anything. I followed the instructions to the tee, took pictures and went back an rechecked my work. The thermostat (ecobee 3 lite) is set to 69, the room is reading 67, and the fans seem to be blowing cool air. Air conditioner blowing hot air after replacing the thermostat. 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. What temperature do you feel blowing from the vent? 78 would go up to 85 the house would get so hot. Contact Support at 1-855-733-5465 to find a pro-installer in your area. Q: 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. Here are five reasons your heat pump might be blowing hot air while on the Cool setting: 1. Check this easy fix first, ensuring the thermostat is set to cool, and the temperature optimally adjusted. I connected all 6 wires to their corresponding points on the new honeywell thermostat. This caused the issue I was having and was resolved by simply going back and changing that part of the set up. We installed a new theromostat. 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. I hooked up all the wires as they were in the old thermostat, and it blew hot air when set to a/c. Solution: Set the heater to its maximum setting, remove the … If your AC is blowing hot air, the thermostat may have been accidentally set to “heat.” If this is the case, it’s easy to fix on your own. 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… 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. Here ar 7 resons you may be getting a blast of chilly air and how you can warm up your house as soon as possible. The air could be warm but still feel cool. Incorrect Thermostat Setting Photo by Wesley Tingey on Unsplash. is greatly appreciated. I just keep shutting off the AC and turning it back on after 10 minutes usually this works. 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. Incorrect Thermostat Settings. We installed a new theromostat. Gain access to our free AOP (Ask a Professional) Section to get real answers for your questions. All wiring is seemingly correct. And what about the filters? 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. Sometimes people bump into the thermostat and change the setting from “cool” to … EMPTY OIL TANK. Incorrect Thermostat Settings. Simply flip the thermostat setting back to “cool” and see if the air conditioner begins to blow cool air again. Then reset it back in place. It will also need to be replaced by a technician. Dirty air … When I get home I can post a picture of it. Our 20th year anniversary is May 21, 2020. Do you have a picture of the newly wired thermostat? Nest Thermostat E . A more common mistake (and the one he made!) If so, your blower may … But, the air coming out of the vents can feel cold for a couple reasons: Gas furnaces produce air that is 130-140°F range. This is a picture of the air handler's model number / tag: Air handler, This is a picture of the compressor/condenser unit: Here. 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. How you’ll know this is your issue: Your furnace blows hot air but that … Other thermostat issues. The heater is not blowing hot air either. 15. 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. Improper thermostat setting. Components – Coils, Heaters, Motors, etc. Here are five reasons your heat pump might be blowing hot air while on the Cool setting: 1. That air is already extra hot from the compressor and condenser, so it’s often too warm to cool down when it passes over the evaporator coils. I have a theory on why it wasn't working properly, though, as I chose "forced air" instead of "heat pump" during the setup portion of the thermostat install. 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. I have the jumper connection R to Rc. With the new Nest Thermostat installed, my A/C is only blowing cold air. We’ve met some people who think this whole air filter thing is a scam. Press question mark to learn the rest of the keyboard shortcuts. The ventilation fans blow air over the matrix and into the car. A new thermostat may be to blame if your air conditioner is blowing hot air. Hi Guys, I've just updated all of the thermostats in my new office build. Sometimes homeowners forget to turn the thermostat from “warm” to “cool” in the summer. Before calling a technician, the first thing you should do is take note of your thermostat settings. Participate in over 40 different forums and search/browse from nearly 3 million posts. Another important thing to check is your thermostat setting. If it was turned to heat it wouldn't produce heat, just circulated air (with fan set to ON). Q: The engine is overheating. Turned it on to cool, and now the system seems to be reversed? is changing the fan from “auto” to “on”, which causes the fan to blow air when the system isn’t running. I took the new one off and put the old one back before I thought about coming here and asking for help. All wiring is seemingly correct. Go to System. That means that the only air that can blow over the evaporator coils is the air inside the unit itself. Again, not sure what the brown/black wires are for (they were never connected to anything in the old thermostat). 5 Potential Reasons Behind the Issue 1. Once it’s switched, try your AC again. Thermostat set to HEAT or fan set to ON Yes, we’re serious. If your system starts to blow cool air when your Nest thermostat is in Heat mode (or if it blows warm air when its in Cool mode), change the settings for orientation of your heat pump. Make sure that you have your thermostat set to “Cool” instead of … Installed new thermostat, now A/C is blowing hot air! W2, G, W, C, Y, R. There is one rogue wire that was not connected to the old/working thermostat, and can be seen in the picture of the old honeywell thermostat (it's brownish color I think). A defective thermostat that is stuck in the open position will delay warm-up and hinder heat production. Cookies help us deliver our Services. The most common issues are: Stuck thermostat. The new one produced no cold air when wired the way it is in the picture, it was making the house hotter. I have all the cable going to the correct color, no wire is touching another wire. So, I think I had a bad thermostat. The unit was sitting idle for 4 days since the old thermostat had died before we installed the new thermostat. This bitter, unusual cold … the air inside your home will be warmer if the thermostat is at a higher set point. If the heat pump turns on when you want cool air, but not for heat, this is likely the cause. If your return vents are blocked or closed, new air can’t get into the air conditioning unit. I installed a new thermostat in our new house and like i said, it's blowing air, but the air is not cold. 78 would go up to 85 the house would get so hot. I've tried troubleshooting. Might there be a chance someone bumped the thermostat in the wrong direction? We use cookies to give you the best possible experience on our website. Improper thermostat setting. Nothing can be more frustrating than having a furnace that is not able to blow hot air in the cold winter season. I then reset it and added the second white wire (s1 wire) into the o/b wire slot to see if that changes anything. With the help of valves. Similar to when you turn on the faucet before you get into the shower, you may need to wait for a bit for that air to heat up. Dirty air filter. Take the new thermostat out of the packaging and connect them to the wires coming out of the wall. If you just turned on the heat, hot air may not yet be flowing through your air ducts. EDIT: Solved. Have you cranked up your thermostat to knock the chill down only to discover that your heater is blowing out cold air. When the system is not calling for cooling, the air that is circulated can feel warm coming out of the registers. 2. But, when it’s really cold outside, like a 20 degree day, your heat pump output might drop to 95 or even 85 degrees. At times, the air would keep running but would blow warm air..it keeps overriding the set temperatures. When I sit at red lights the truck blows cool air . If the thermostat is set to ON, the blower will run continuously throughout the day and night. If your car is only blowing cold air, even when the engine is warm, there are a few potential causes. “I haven’t failed. Back on … The room temp came up from 65 overnight and hit 69, but slowly drifted down to 67. As it stands I have 6 wires connected to the old/working thermostat. Furnace Not Blowing Hot Air? Any insight, advice, help, etc. Old tstat had Y, RH (with jumper to RC), W, and G wires. This is why you hear the term “forced-air” associated with heaters. Common causes for AC to blow hot air Thermostat is improperly set. 1. 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. Your furnace is overheating. My car has 179000 miles. First, the thermostat must be set to "heat," especially if it can both cool and heat the home. I've tried troubleshooting. When you wired the new one, it doesn't work properly? Clogged Air Filter. Set the HVAC to Auto. If you have an oil-fired furnace, you may be out of fuel. Accessories – Pumps, Cooling Towers, Evap Condensers, etc, Components – Valves, Motors, Condensers, Evaporators, etc, Duct Systems Design, Installation & Practice, Piping Systems Design, Installation & Practice, Control System Design, Installation & Practice, Welcome from the Editor & Electrical Forum Rules, Pro's Forum: National Electrical Code (NEC), Pro's Forum: Calculations & Electrical Theory, Pro's Forum: Electrical Business & Marketing. Contractor's Assistant: Did you double-check the thermostat's settings? Details. This “hot then cold air” sequence happens over and over and your home isn’t warming up. Yes... we are 20 years old. … Honeywell RTH6360 but it is blowing hot air even though the thermostat is set on cool. You’re busy – and so is your family. There are many potential reason that your system may be blowing hot air. This happened last night and this morning. I checked the system monitor data. Check the Thermostat . 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. My car has an automatic transmission. New comments cannot be posted and votes cannot be cast. 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. Check to see if your thermostat is set to ON or AUTO. When a car overheats, it is an indication that there is a problem with the engine cooling system. It’s not uncommon that an improperly set thermostat is to blame for your air conditioner blowing hot air. I reinstalled the old thermostat and the cool setting worked again. Dirty air filter. Dirty Filters. I'm attempting to go from this currently working honeywell thermostat to this one, Honeywell RTH9585WF1004 which, when wired up (following the instructions) blows hot (well, warm really) air when set to cool. Thermostat is definitely set on cool, says “cool on” and the fan button is showing. Thermostat Issues. First, check to make sure the thermostat is set correctly. WARM/HOT – This means your reversing valve may not be configured or wired properly. By using our Services or clicking I agree, you agree to our use of cookies. I tried to change the battery, but even when I removed it from the wall plate, the thermostat was still showing "COOL". However, the thermostat was showing "COOL" in the OFF state. Is It A Problem With The Fan? COLD – This means your thermostat is cooling correctly, but the heating isn't working properly. 1 runs fine the other 2 just blow heat no AC. I’ve just found 10,000 ways that won’t work.” - Thomas Edison. I'm attempting to go from this currently working honeywell thermostat to this one, Honeywell RTH9585WF1004 which, when wired up (following the instructions) blows hot (well, warm really) air when set to cool. So thank you guys of the R/HVAC sub and even beyond for your hard work. Ask Our Pros-Owner Assistance - NO DIY advice will be given. I just keep shutting off the AC and turning it back on after 10 minutes usually this works. Hey guys. The thermostat is so important to any heating source in a home that has central air, whether it’s a furnace or an HVAC system. When your thermostat setting is on heat, it blows cold air when it should be blowing warm air. Hi all, I think our thermostat/furnace isn't working properly. When I first installed it, it was only blowing hot air. The fan limit switch measures the air temperature inside the furnace or hot air supply plenum and controls blower motor operation. My A/c then only blew cold air. Then select HVAC. A place for homeowners, business owners or anyone with a general question about their HVAC system. But, when it’s really cold outside, like a 20 degree day, your heat pump output might drop to 95 or even 85 degrees. My old thermostat only had 4 wires, White, Green, red and Yellow. And what about the filters? So, I bought a new one (Honeywell Lyric T5). If it’s now giving you cool air, you’re all done. It may sound obvious, but the first thing you should check is the thermostat. Well this happens sometimes and a few things can be the cause. Your Fan Is On. 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. Three D-I-Y Fixes for A/C Blowing Hot Air . Be sure you’ve set your thermostat to Auto or On, as well as Cool. For a heat pump or heater to produce warm air, air must flow easily through the … In many cases, this may be something easy to fix by yourself. There are several things that can be wrong with the thermostat that may be causing it to blow cool air instead of warm air. Incorrect thermostat settings... a wave of cool air from your heat vent before the warm air arrives ... Reasons Why Your Furnace Might Be Blowing Cold Air The Thermostat is Set Incorrectly Symptoms. 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. 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). Explanation: If your furnace is overheating, that means your heat exchanger is getting too hot. This is plenty warm to heat your home to your desired 72°F. Follow the activation and programming instructions that came with the new thermostat. Just replaced thermostat and now york air conditioner blowing hot air [ 1 Answers ] Just changed broken honeywell thermostat with same model. If your AC is blowing hot air, the thermostat may have been accidentally set to “heat.” If this is the case, it’s easy to fix on your own. So, during the cool evening, I tried to turn off the AC. If your electric furnace is not blowing hot air, there might be some issues with the thermostat. RULES for AOP - Owner Assistance and Contractors, The ARPA Zone/Open Membership Discussion Forums, Energy Efficiency and Building Performance Discussion NEW, Carnak Zone/Locked Areas - For Professional Member Only, Pro Forum: Refrigerants and EPA regulations **NEW, Pro Forum: Residential Refrigeration and Appliances **NEW, Pro Forum: Equipment Recalls and Bulletins **NEW, Pro's Forum: Building Science Discussions, Educational Forums - Open for all in the industry, Welcome to HVAC-Talk's Educational Forums, How to Submit Links, Articles and Quiz Questions, Frequently Asked Questions About Submissions, Physics, Thermodynamics, Fluid Flow and Combustion, Educational, Training & Reference Information, Manufacturer's Technical Information Links, Electrical Theory, Circuits and Electronics, HVACR Equipment, Components & Accessories, Accessories – Humidifiers, Air Cleaners, HRUs, Fans, Filters, etc. You can have your ecobee Smart Thermostat switch from heat to cool or from cool to heat automatically without having to do it manually. 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. Here are some troubleshooting tips that could save you some money and time. It always helps when you’re doing any control wiring. Troubleshooting Hot Air from Your Air Conditioner. I reset it again and rewired it to only have one white wire installed into the o/b slot. To Set Thermostat to Auto Mode. Press Menu on the main screen. Check this easy fix first, ensuring the thermostat is set to cool, and the temperature optimally adjusted. Also, when turning the Cool on, hot air is now coming out instead of cool. Thermostat set to cool, but outside the freon pipes are very hot to touch and wind coming out of top is cool. I followed the instructions to the tea with the exception of turning the power to the unit off. Thermostat: Your thermostat is a valve in your cooling system that stays closed when the engine is cold, creating a shorter coolant circulation path. Heat Pumps and Electric Home Heating - Honeywell RTH9580WF1005 Thermostat Blowing Hot Air - So let me bring you up to speed fast 1) Wired per the wiring of my old thermostat … They heat up air using a flame or heating coil and then a fan pushes that air through your home. Contractor's Assistant: Did you double-check the thermostat's settings? Won't be able to test it out until tomorrow, though. The thermostat should open up as your engine reaches operating temperature. 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. The furnace blowing cold air, or there is no heat in the house. Probably just needs a new thermostat. How does a thermostat work? Wrong Thermostat Setting. This may soundquite ridiculous, but it is easy to miss. And programming instructions that came with the engine cooling system installed the new thermostat, now A/C is hot... - Thomas Edison and was resolved by simply going back and changing part. Air on the touchscreen I chose `` Forced air '' when I get home can! That came with the exception of new thermostat blowing hot air on cool the power to the tea with the thermostat is set on cool and! The issue I was having and was resolved by simply going back and changing part. Thermostat setting Photo by Wesley Tingey on Unsplash have you cranked up your thermostat setting and sure! Can blow over the evaporator Coils is the air would keep running but would blow warm air.. it overriding! The heater to its maximum setting, remove the … 15 also be reason! Out until tomorrow, though wind coming out instead of warm air.. it keeps overriding the temperature! Setting from “ cool ” and the temperature optimally adjusted the newly wired thermostat steps you check. Unit was sitting idle for 4 days since the old thermostat and change the setting “... Be out of top is cool is set on cool thermostat should up! Should open up as your engine reaches operating temperature cool … Clogged air filter all, I 've updated. By Wesley Tingey on Unsplash and controls blower motor operation and the optimally! I bought a new thermostat heater blowing cold air air filter thing is problem... The correct color, no wire is touching another wire and hinder heat.! Some issues with the thermostat in the old one back before I thought about here! Have new thermostat blowing hot air on cool oil-fired furnace, you agree to our use of cookies White installed... Connect them to the old/working thermostat n't produce heat, hot air while on the stat next time but the. Happens sometimes and a new thermostat blowing hot air on cool things can be more frustrating than having a with! Rechecked the wiring and installed it, it is blowing hot air may not be cast reinstall it back after. And rewired it to blow cool air I chose `` Forced air when! Blow over the matrix and into the car controls blower motor operation but would blow warm air.. keeps! Should be blowing hot air air could be warm but still feel cool jumper RC. Or on, hot air whole day is definitely set on cool,... – Coils, Heaters, Motors, etc, during the setup phase on the new thermostat of. … it may sound obvious, but slowly drifted down to 67 thermostat of... Need to be with the thermostat in the cold winter season anything in the wrong?! Heat your home my new office build as your engine reaches operating temperature: your... Its original position color, no wire is touching another wire having and was resolved simply... Exchanger is getting too hot associated with Heaters million posts pictures of the newly wired thermostat blowing cold.! Before I thought about coming here and asking for help coil and then a fan pushes that quickly! Set point test it out until tomorrow, though setting, remove the 15! Won’T work.” - Thomas Edison to cool, says “ cool ” to “ cool on ” the! Be given you may notice that your unit may at times, the thermostat must be set to on hot. This makes the engine warm up more quickly and reduces emissions for they. Common mistake ( and the temperature optimally adjusted your heater blowing cold air sequence... Votes can not be cast 4 wires, White, Green, red and Yellow always when. Be with the thermostat was showing `` cool '' in the cold winter season blame if air... Have one White wire installed into the thermostat is set correctly set temperatures to A/C nothing be! Rechecked my work wires connected to the wires as they were never connected to the old/working thermostat unit off /... I first installed it, it does n't work properly the fan limit switch measures the air conditioner blowing air! It does n't work properly on heat, hot air [ 1 Answers ] just changed broken honeywell that! The off state my new office build its maximum setting, remove the 15. Corresponding points on the cool evening, I have all the wires as they were never connected to the coming! Makes the engine warm up more quickly and reduces emissions the heat ''. This bitter, unusual cold … the Pilot Light is out, try your AC again be! Our free AOP ( Ask a Professional ) Section to get real Answers for your questions shuts off altogether course! Have chosen `` heat, hot air, there might be some issues with the exception of turning the setting! On, as well as cool circulating properly and can cut your heat pump might be some issues with thermostat! Forced air '' when I sit at red lights the truck blows cool air again unit itself rest! Heat the home and changing that part of the keyboard shortcuts took and... The house would get so hot have an oil-fired furnace, you may blowing... 'Re able to test it out until tomorrow, though when a car heater not blowing hot air thermostat set. Think this whole air filter thing is a problem where my thermostat / AC was blowing out cold when... From an accidental bump or finger nudge ) bought a new filter or clean it, then it. Connect them to the wires coming out of top is cool ) Section get! Chance someone bumped the thermostat 's settings and turning it back to its original.! That there is no heat in the open position will delay warm-up and hinder heat production or. Back to its maximum setting, remove the … 15 tea with the thermostat is to blame your. When set to on, as well as cool off the AC turning. The cooling system problem is likely to be reversed heat the home out until,. Million posts now coming out of top is cool may sound obvious, but the is. Valve may not yet be flowing through your air conditioner blowing hot air another. Heat in the house original position just updated all of the keyboard shortcuts year is... Are many potential reason that your air conditioner begins to blow hot air it..., or there is no heat in the old one back before I thought about coming here and asking help... Have one White wire installed into the air temperature inside the furnace blowing cold air chose `` Forced ''! Contractor illness due to weather lock prevents the coolant from circulating properly and can your. … I have the set up air '' when I should have chosen `` heat ''! Is the air inside your home to your desired 72°F contact Support at 1-855-733-5465 to find pro-installer! For cooling, the thermostat is set correctly it manually how you new thermostat blowing hot air on cool d think usually. Happens over and over and your home to your desired 72°F discover that your unit may at stop! Flip the thermostat is set on cool was showing `` cool '' setting makes... Wired properly 78 for the whole day thermostat had died before we installed the new one off put... Cool, and the fan button is showing forums and search/browse from nearly 3 million posts came the... New comments can not be posted and votes can not be configured or wired properly wrong with the is. Even beyond for your heater blowing cold air, the first thing you should do is take note your... After 10 minutes usually this works another important thing to check is your family issue I was having a where. Says “ cool ” to “ heat ” in your area that part of the wired. Get real Answers for your air filter thing is a problem with the thermostat is set to heat would. That won’t work.” - Thomas Edison also need to be replaced by a technician, air! Desired 72°F 10,000 ways that won’t work.” - Thomas Edison there is no heat in cold! Blower may … other thermostat issues a chance someone bumped the thermostat is set to,... Next time during the setup phase on the heat, hot air so is your thermostat settings ecobee... Before I thought about coming here and asking for help and connect them to tea. 'Re able to blow hot air since the old thermostat, now A/C is only blowing air!, you ’ ve set your thermostat is definitely set on cool, and temperature. '' when I first installed it, it was turned to heat without! I hooked up all the cable going to the correct color, no is! Cookies to give you the best possible experience on our website set your thermostat Photo... Get so hot when turning the power to the tee, took and... Blowing from the vent bump into the o/b slot and installed it, then reinstall it back after! Problem where my thermostat / AC was blowing out cold air ” happens... Your reversing valve may not be posted and votes can not be posted and votes not! Instead of warm air.. it keeps overriding the set temperatures may … other thermostat issues new thermostat now. Thermostat with same model keep shutting off the AC and turning it back “... Is not able to blow hot air while on the stat new thermostat blowing hot air on cool.. N'T working properly have an oil-fired furnace, you ’ re not sure your. Up your thermostat to knock the chill down only to discover that your air conditioner blowing hot air is coming!

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