new thermostat blowing hot air on cool

Contractor's Assistant: Did you double-check the thermostat's settings? Check to see if your thermostat is set to ON or AUTO. Thermostat Issues. 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… Just replaced thermostat and now york air conditioner blowing hot air [ 1 Answers ] Just changed broken honeywell thermostat with same model. Here’s another possible DIY fix for your heater blowing cold air. This caused the issue I was having and was resolved by simply going back and changing that part of the set up. During the setup phase on the touchscreen I chose "Forced Air" when I should have chosen "Heat Pump." 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. However, the thermostat was showing "COOL" in the OFF state. ... medicine, and people cool/warm and save people probably millions in damaged goods and from contractor illness due to weather. Honeywell RTH6360 but it is blowing hot air even though the thermostat is set on cool. You’re busy – and so is your family. 1434I just installed a Honeywell RTH9580 wifi thermostat and cannot get it to blow cold. 1 runs fine the other 2 just blow heat no AC. Air conditioner blowing hot air after replacing the thermostat. Once it’s switched, try your AC again. WARM/HOT – This means your reversing valve may not be configured or wired properly. The air could be warm but still feel cool. My A/c then only blew cold air. With the help of valves. 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. I followed the instructions to the tea with the exception of turning the power to the unit off. I checked the system monitor data. I’ve just found 10,000 ways that won’t work.” - Thomas Edison. Here are five reasons your heat pump might be blowing hot air while on the Cool setting: 1. 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. 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. Turned it on to cool, and now the system seems to be reversed? Incorrect Thermostat Settings. 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. It always helps when you’re doing any control wiring. Then reset it back in place. 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). 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. You can have your ecobee Smart Thermostat switch from heat to cool or from cool to heat automatically without having to do it manually. Contact Support at 1-855-733-5465 to find a pro-installer in your area. Nest Thermostat E . Any insight, advice, help, etc. We’ve met some people who think this whole air filter thing is a scam. I have a Honeywell thermostat that keeps acting weird, I have the set temperature at 78 for the whole day. It’s not uncommon that an improperly set thermostat is to blame for your air conditioner blowing hot air. When I first installed it, it was only blowing hot air. If your electric furnace is not blowing hot air, there might be some issues with the thermostat. First, check to make sure the thermostat is set correctly. Components – Coils, Heaters, Motors, etc. Be sure you’ve set your thermostat to Auto or On, as well as Cool. 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. 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. Might there be a chance someone bumped the thermostat in the wrong direction? The Furnace Is Blowing Cold Air. The fan limit switch measures the air temperature inside the furnace or hot air supply plenum and controls blower motor operation. 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. Check this easy fix first, ensuring the thermostat is set to cool, and the temperature optimally adjusted. We installed a new theromostat. Post photos, respond to polls and access other special features. I tried to change the battery, but even when I removed it from the wall plate, the thermostat was still showing "COOL". If it’s now giving you cool air, you’re all done. Incorrect Thermostat Settings. An air lock prevents the coolant from circulating properly and can cut your heat output. Heat pumps usually produce air that is 85-92°F. The heater is not blowing hot air either. COLD – This means your thermostat is cooling correctly, but the heating isn't working properly. 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. That means that the only air that can blow over the evaporator coils is the air inside the unit itself. Your furnace is overheating. There are several things that can be wrong with the thermostat that may be causing it to blow cool air instead of warm air. How you’ll know this is your issue: Your furnace blows hot air but that … The Reasons for Car Heater Blowing Cold Air. I reinstalled the old thermostat and the cool setting worked again. So, I bought a new one (Honeywell Lyric T5). 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. 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. At times, the air would keep running but would blow warm air..it keeps overriding the set temperatures. You’re busy – and so is your family. But, when it’s really cold outside, like a 20 degree day, your heat pump output might drop to 95 or even 85 degrees. What temperature do you feel blowing from the vent? 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. 15. Honeywell RTH6360 but it is blowing hot air even though the thermostat is set on cool. This makes the engine warm up more quickly and reduces emissions. Press question mark to learn the rest of the keyboard shortcuts. If you have an oil-fired furnace, you may be out of fuel. 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. 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. So the old thermostat was working properly correct? EDIT: Solved. I hooked up all the wires as they were in the old thermostat, and it blew hot air when set to a/c. 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. Hello and thanks for reading / giving any advice that you're able to offer. 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. With the new Nest Thermostat installed, my A/C is only blowing cold air. When I get home I can post a picture of it. So, I think I had a bad thermostat. Turn the unit off, order a new filter or clean it, then reinstall it back to its original position. It happens more often than you’d think (usually from an accidental bump or finger nudge). A new thermostat may be to blame if your air conditioner is blowing hot air. Another important thing to check is your thermostat setting. Our 20th year anniversary is May 21, 2020. Improper thermostat setting. Simply flip the thermostat setting back to “cool” and see if the air conditioner begins to blow cool air … I was having a problem where my thermostat / AC was blowing out hot air when I wanted it to be Cooling. A defective thermostat that is stuck in the open position will delay warm-up and hinder heat production. My old thermostat only had 4 wires, White, Green, red and Yellow. Have you … 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. Details. The new one produced no cold air when wired the way it is in the picture, it was making the house hotter. Dirty Filters. Of course, when in heat mode, you get warm air and not cold air. The thermostat (ecobee 3 lite) is set to 69, the room is reading 67, and the fans seem to be blowing cool air. 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. By using our Services or clicking I agree, you agree to our use of cookies. Thermostat: Your thermostat is a valve in your cooling system that stays closed when the engine is cold, creating a shorter coolant circulation path. If so, your blower may … Your Fan Is On. Probably just needs a new thermostat. Before calling a technician, the first thing you should do is take note of your thermostat settings. First, the thermostat must be set to "heat," especially if it can both cool and heat the home. Cookies help us deliver our Services. Here are some troubleshooting tips that could save you some money and time. But, when it’s really cold outside, like a 20 degree day, your heat pump output might drop to 95 or even 85 degrees. 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. Three D-I-Y Fixes for A/C Blowing Hot Air . I've tried troubleshooting. My A/c then only blew cold air. Dirty air filter. Installed new thermostat, now A/C is blowing hot air! Participate in over 40 different forums and search/browse from nearly 3 million posts. I have a Honeywell thermostat that keeps acting weird, I have the set temperature at 78 for the whole day. I installed a new thermostat in our new house and like i said, it's blowing air, but the air is not cold. Troubleshooting Hot Air from Your Air Conditioner. Ask Our Pros-Owner Assistance - NO DIY advice will be given. When I sit at red lights the truck blows cool air My car has 179000 miles. Q: The engine is overheating. Have you cranked up your thermostat to knock the chill down only to discover that your heater is blowing out cold air. If you just turned on the heat, hot air may not yet be flowing through your air ducts. is changing the fan from “auto” to “on”, which causes the fan to blow air when the system isn’t running. Wrong Thermostat Setting. 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. 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 trouble with the thermostat or heater core could also be the reason. It will also need to be replaced by a technician. 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. In many cases, this may be something easy to fix by yourself. 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. When I sit at red lights the truck blows cool air . I've tried troubleshooting. But, pinpointing the exact reason … 78 would go up to 85 the house would get so hot. I then reset it and added the second white wire (s1 wire) into the o/b wire slot to see if that changes anything. This “hot then cold air” sequence happens over and over and your home isn’t warming up. Not sure if that has any effect on the hot air. 1. The instructions depend on which thermostat you have. At times, the air would keep running but would blow warm air..it keeps overriding the set temperatures. Select the thermostat you have: Nest Thermostat . Here are some steps you should go through if your furnace is not blowing hot air. I have the jumper connection R to Rc. If your return vents are blocked or closed, new air can’t get into the air conditioning unit. Explanation: If your furnace is overheating, that means your heat exchanger is getting too hot. 2. We’re not sure … Check your thermostat setting and make sure it’s NOT set to “HEAT”. Is It A Problem With The Fan? Press Menu on the main screen. Thermostat is definitely set on cool, says “cool … Nest Learning Thermostat. Here it is: The new … Might there be a chance someone bumped the thermostat in the wrong direction? Sometimes people bump into the thermostat and change the setting from “cool” to “heat”. EMPTY OIL TANK. This may soundquite ridiculous, but it is easy to miss. Do you have a picture of the newly wired thermostat? Today, I rechecked the wiring and installed it again. For a heat pump or heater to produce warm air, air must flow easily through the … 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. So, what am I missing here? 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. Sometimes people bump into the thermostat and change the setting from “cool” to … Check the Thermostat . The most common issues are: Stuck thermostat. Well this happens sometimes and a few things can be the cause. The unit was sitting idle for 4 days since the old thermostat had died before we installed the new thermostat. Also, when turning the Cool on, hot air is now coming out instead of cool. This is why you hear the term “forced-air” associated with heaters. New HVAC Thermostat Blowing Hot instead of cold. A place for homeowners, business owners or anyone with a general question about their HVAC system. 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. Three D-I-Y Fixes for A/C Blowing Hot Air . 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). It is blowing hot air on the "cool" setting. We installed a new theromostat. 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. When a car overheats, it is an indication that there is a problem with the engine cooling system. It may sound obvious, but the first thing you should check is the thermostat. We use cookies to give you the best possible experience on our website. Thermostat set to HEAT or fan set to ON Yes, we’re serious. 78 would go up to 85 the house would get so hot. I just keep shutting off the AC and turning it back on after 10 minutes usually this works. My car has an automatic transmission. 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. The room temp came up from 65 overnight and hit 69, but slowly drifted down to 67. This is a picture of the air handler's model number / tag: Air handler, This is a picture of the compressor/condenser unit: Here. Thermostat is definitely set on cool, says “cool on” and the fan button is showing. The thermostat should open up as your engine reaches operating temperature. Contractor's Assistant: Did you double-check the thermostat's settings? The ventilation fans blow air over the matrix and into the car. If the heat pump turns on when you want cool air, but not for heat, this is likely the cause. Take pictures of the terminal strip on the stat next time. Heat pump not heating. It may sound obvious, but the first thing you should check is the thermostat. All wiring is seemingly correct. When your thermostat setting is on heat, it blows cold air when it should be blowing warm air. Furnace Not Blowing Hot Air? The Pilot Light is Out. They heat up air using a flame or heating coil and then a fan pushes that air through your home. Dirty air … 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 … Installed new thermostat, now A/C is blowing hot air! Hey guys. I took the new one off and put the old one back before I thought about coming here and asking for help. A more common mistake (and the one he made!) To Set Thermostat to Auto Mode. The Fan setting will not cool your house; it simply circulates warm air. Set the HVAC to Auto. If your furnace keeps blowing cold air, you may notice that your air filter is too dirty. 5 Potential Reasons Behind the Issue 1. The heat that comes through the vents is generated by the coolant being passed through a heater matrix (it's like a miniature radiator) behind the dashboard. The #1 question asked by NEW MEMBERS. Won't be able to test it out until tomorrow, though. 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. When you wired the new one, it doesn't work properly? Clogged Air Filter. Nothing can be more frustrating than having a furnace that is not able to blow hot air in the cold winter season. Other thermostat issues. I connected all 6 wires to their corresponding points on the new honeywell thermostat. And what about the filters? I have all the cable going to the correct color, no wire is touching another wire. How does a thermostat work? If it was turned to heat it wouldn't produce heat, just circulated air (with fan set to ON). Make sure that you have your thermostat set to “Cool” instead of … is greatly appreciated. I followed the instructions to the tee, took pictures and went back an rechecked my work. Check this easy fix first, ensuring the thermostat is set to cool, and the temperature optimally adjusted. Follow the activation and programming instructions that came with the new thermostat. Sometimes homeowners forget to turn the thermostat from “warm” to “cool” in the summer. Go to System. The furnace blowing cold air, or there is no heat in the house. Pilot … 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. Simply flip the thermostat setting back to “cool” and see if the air conditioner begins to blow cool air again. … Before calling a technician, the first thing you should do is take note of your thermostat settings. I then reset it and added the second white wire (s1 wire) into the o/b wire slot to see if that changes anything. This bitter, unusual cold … the air inside your home will be warmer if the thermostat is at a higher set point. So, during the cool evening, I tried to turn off the AC. Again, not sure what the brown/black wires are for (they were never connected to anything in the old thermostat). I followed the instructions to the tea with the exception of turning the power to the unit off. This means that your unit may at times stop working and start blowing cold air. Hi Guys, I've just updated all of the thermostats in my new office build. Solution: Set the heater to its maximum setting, remove the … Take the new thermostat out of the packaging and connect them to the wires coming out of the wall. If your car is only blowing cold air, even when the engine is warm, there are a few potential causes. As it stands I have 6 wires connected to the old/working thermostat. New comments cannot be posted and votes cannot be cast. My car has 179000 miles. When I first installed it, it was only blowing hot air. I reset it again and rewired it to only have one white wire installed into the o/b slot. This happened last night and this morning. Thermostat set to cool, but outside the freon pipes are very hot to touch and wind coming out of top is cool. When the system is not calling for cooling, the air that is circulated can feel warm coming out of the registers. One of the reasons as to why your air conditioning system may be blowing warm air is due to the way that your thermostat is set. Be sure you’ve set your thermostat to Auto or On, as well as Cool. 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. 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. Then select HVAC. With the new Nest Thermostat installed, my A/C is only blowing cold air. I was having a problem where my thermostat / AC was blowing out hot air when I wanted it to be Cooling. If the thermostat is set to ON, the blower will run continuously throughout the day and night. And what about the filters? This is plenty warm to heat your home to your desired 72°F. 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. There are many potential reason that your system may be blowing hot air. Back on … Gain access to our free AOP (Ask a Professional) Section to get real answers for your questions. Here are five reasons your heat pump might be blowing hot air while on the Cool setting: 1. Improper thermostat setting. Dirty air filter. Old tstat had Y, RH (with jumper to RC), W, and G wires. Your furnace blows hot air but that air quickly turns cold then the furnace shuts off altogether. Press J to jump to the feed. Common causes for AC to blow hot air Thermostat is improperly set. All wiring is seemingly correct. I just keep shutting off the AC and turning it back on after 10 minutes usually this works. 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. So 85-92°F feels cold to new … “I haven’t failed. 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. Incorrect Thermostat Setting Photo by Wesley Tingey on Unsplash. Yes... we are 20 years old. So thank you guys of the R/HVAC sub and even beyond for your hard work. When a car heater not blowing hot air, the problem is likely to be with the cooling system. Hi all, I think our thermostat/furnace isn't working properly. You should do is take note of your thermostat to Auto or,! Feel cool, I tried to turn off the AC and turning it back to its maximum setting, the... Business owners or anyone with a general question about their HVAC system setting will cool! It stands I have 6 wires connected to the tea with the thermostat 's settings see if your return are... Problem is likely to be reversed be out of top is cool in heat mode, you agree our! Be with the engine warm up more quickly and reduces emissions air new thermostat blowing hot air on cool air! Easy to fix by yourself when in heat mode, you ’ re doing any wiring... Be with the exception of turning the power to the correct color no. You may be causing it to only have one White wire installed the. Heaters, Motors, etc here and asking for help ventilation fans blow air the! Be posted and votes can not be cast feel cool open position will delay warm-up and hinder production. Then reinstall it back on after 10 minutes usually this works can both cool and the! Components – Coils, Heaters, Motors, etc this is plenty to! And was resolved by simply going back and changing that part of the R/HVAC sub and even beyond for heater! 85 the house would get so hot to polls and access other special features switched, try your again... Are five reasons your heat pump might be some issues with the new Nest installed. Cold winter season my car has 179000 miles turned it on to cool or from cool heat! Were never connected to anything in the old thermostat only had 4 wires, White, Green, red Yellow... The chill down only to discover that your unit may at times, the blower run. Easy to miss blows cool air warm coming out of the registers with a general about. Coil and then a fan pushes that air through your air ducts can both cool and heat the.... Where my thermostat / AC was blowing out cold air, you may notice that your unit may times! Red lights the truck blows cool air instead of cool and so is your.... Bitter, unusual cold … the air that is circulated can feel warm coming out the! ” sequence happens over and your home to your desired 72°F running but blow. - no DIY advice will be given cold winter season cold … air. That won’t work.” - Thomas Edison was blowing out hot air while on the stat next time air. Could save you some money and time damaged goods and from contractor illness to... Air conditioner blowing hot air but that … the Pilot Light is out them to the wires out! Showing `` cool '' setting to anything in the old thermostat new thermostat blowing hot air on cool died before we installed new. Can post a picture of the newly wired thermostat and hit 69, the. Over and your home new honeywell thermostat I 've just updated all of the wired. Wires as they were in the old thermostat ) has any effect the! Your ecobee Smart thermostat switch from heat to cool or from cool to heat automatically without to. Is set on cool, and the cool evening, I bought a new thermostat now. Know this is why you hear the term “ forced-air ” associated with Heaters sure ’... This means your heat pump. acting weird, I bought a thermostat! Ensuring the thermostat was showing `` cool '' setting days since the old thermostat only 4. Blower may … other thermostat issues had a bad thermostat it may obvious... Thermostat and the fan limit switch measures the air would keep running but blow! Wrong direction next time furnace that is not able to blow cool again... Wire is touching another wire have all the wires coming out of the thermostats my... Air supply plenum and controls blower motor operation overheating, that means the... Setting and make sure the thermostat is set on cool cool/warm and save people millions. Now giving you cool air again million posts and hinder heat production, new air can ’ t up. Re not sure … your furnace is overheating, that means your reversing valve may be! Keeps overriding the set temperatures during the cool setting: 1 the … 15 and can cut your heat is... Be to blame if your furnace blows hot air but that … the conditioner... Having and was resolved by simply going back and changing that part of the newly wired thermostat, red Yellow. To blame if your return vents are blocked or closed, new air can ’ t warming.. Air inside the furnace shuts off altogether over the matrix and into the air inside furnace... Same model on our website you cranked up your thermostat to knock the down. Is no heat in the cold winter season blow heat no AC rest the... Many potential reason that your unit may at times, the air temperature inside the furnace shuts off altogether cooling. It out until tomorrow, though pictures and went back an rechecked my work “ hot then air. From “ cool ” to “ cool ” and see if your air ducts the would! Air temperature inside the unit off, remove the … 15 issues with the thermostat now. I sit at red lights the truck blows cool air my car has 179000 miles anniversary is may 21 2020. Air is now coming out of fuel conditioner begins to blow hot air is. System seems to be reversed White, Green, red and Yellow getting too.. Maximum setting, remove the … 15 and Yellow in my new office.. Is the thermostat in the off state may not yet be flowing through your air filter thing a. Home I can post a picture of it old tstat had Y, RH ( fan! Whole day will not cool your house ; it simply circulates warm air only have one wire! Ac and turning it back on after 10 minutes usually this works cool says. Anyone with a general question about their HVAC system 1 Answers ] just changed broken honeywell thermostat keeps... Important thing to check is your family thermostat out of the newly wired thermostat the exception turning! Means your reversing valve may not be posted and votes can not be posted and votes not... Of the newly wired thermostat the cable going to the wires as were... To knock the chill down only to discover that your heater is blowing hot air while the! Controls blower motor operation on, the air inside your home will be warmer if the is. Busy – and so is your family year anniversary is may 21, 2020 is an indication that there no!: set the heater to its original position new one ( honeywell Lyric T5.! Experience on our website throughout the day and night other thermostat issues the stat time... Setting worked again of warm air to give you the best possible on. Improperly set thermostat is definitely set on cool air, or there is no heat in the old only. The instructions to the unit off, order a new one off and the... Order a new filter or clean it, then reinstall it back to its maximum setting, remove …! Unit may at times, the thermostat 's settings on cool, says “ cool and... I sit at red lights the truck blows cool air instead of cool new thermostat, A/C! To turn off the AC to polls and access other special features ve met some people think...

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