I currently have my whole house attic fan on a z-wave relay. I have a ComfortMaker gas furnace and air conditioner. According to this tech support article from Nest, the Nest prefers Rc and C over Rh and C when all three are connected.. If it's on Auto, when the heat or the A/C comes on, the blower comes on. By any chance would this specific wiring be for a heat pump configuration and the W1 should be in the O/B? Press question mark to learn the rest of the keyboard shortcuts. Secondly, our previous thermostat was also a schedulable one, albeit a very difficult to set/use variety, so we had some existing saving built-in. Sounds wacky, but consider these situations: 1. ECOBee3 AC running same time as Heat . CONCLUSION. If you switch it to manual, the blower runs all the time to circulate air. Or anything else about the NEST unit that I should know? This squeeze has since had some backlash to which Nest has relaxed is price policy a bit however many AC repairmen still believe the unit is not worth their time compared to the pay rate. If I leave them on the control board they work fine, if I remove them, I get no AC but my heat works. They had me change some pro settings to trick the tstat into thinking I was using gas and changing some of the "gas" settings. My ac and Furnace run at the same time. If so, there may be a power issue. Posted by 2 years ago. Lennox. When you submit a report, we'll investigate it and take the appropriate action. 11 years ago. hide. For instance, you may notice your system is always on, it won’t turn on, it turns off and on repeatedly, or it makes strange noises. I think the blower is just running constantly and blowing cold air when no call for heat Isn't "c" the optional power supply to the thermostat When my thermostat is set to cool, both the furnace and the a/c turn on giving me room temperature air, regardless of what it is set at. Forced hot air blower located next to furnace. We’ve had a Nest for 6 years installed just like this. So why the heck is your AC running? A Week ago Nest sw updates occurred, with these updates came a … What could be causing this? Today he tried to turn his heat on but his outside condenser unit kicked on as well. Go to the Legal Help page to request content changes for legal reasons. End of Search Dialog. When I set temp, (ac - heat - 66 - 78) and the thermostat reaches temp, it runs the fan afterwards and the fan stays on until it needs to kick on the AC to adjust the temp again. Thank you. AC and heat strip running at same time. I have since temporarily corrected the problem by turning off the outside unit via its own breaker panel. I have what sounds like the same wiring co figuration as you. In the RV there are 2 blowers: one for the furnace and the other for the A/C. Because of this my power bill is going up (as of now 30% increase on avg bill compare to my previous bills). Your Nest thermostat uses the voltage from your system’s wires to keep its internal battery charged. BTW I have checked the wiring between my thermostat and furnace and it looks correct. You can then select how long you want the fan to remain on (15 mins to 12 hours). I felt the air coming out of the register and it was warm. Some community members might have badges that indicate their identity or level of participation in a community. One last issue was one of the power wires connected to my HVAC wasn’t properly connected. It is winter, and I just noticed today that the compressor outside is running at the same time the heat turns on. You will lose what you have written so far. Nest . I installe… I just purchased and professionally installed the nest but the fan stays on after set heat temperature is reached. AC and heat strip running at same time. After you select a time, the blower should come on for that amount of time. If you have a Heat Pump system the outdoor unit will operate in both winter and summer, in the winter it rejects hot air indoors rather than outdoors. Tried changing all settings but no luck. AC is running fine, freon, etc, all good to go. E38, E88 A heat pump can have at most one auxiliary heat wire. … Are you sure you want to continue? Open up the Nest app on your phone and select your Nest Thermostat on the main screen. Same thing is happening to me also. This is for electric heat. Find community discussions. If it seems to be helpful, we may eventually mark it as a Recommended Answer. the colder it gets the less efficient it get but never goes below 1:1. it you are straight electric it should run no matter how cold it is. I'm no expert but I'm pretty sure that isn't supposed to happen. Heat is absorbed at the inside evaporator coil in the summer, and then it’s released outdoors at the condenser coil. nest thermostat’s issue with furnace & air conditioning technicians. Still happens. Have you also notice this on either Heat or Cool mode? By keeping your fan on in the winter, you may feel cold air coming out of your vents. Your Nest Thermostat can learn your preferences over time and automatically adjust the temperature accordingly. Discussion on Google Nest products, including installation and configuration. I'm going back there in about 5 hours. With a heat pump, however, the air conditioning and the heating system are one in the same. So we run our A/C pretty much throughout the whole year. Therefore, you may end up running your AC even more, to counterbalance the extra heat. Anyone have any thoughts as to why both come on at the same time? Same thing is happening to me also. 11 years ago. I have a forced-air unit on the roof, as well as the radiant heat in my Eichler flooring. So you’ve turned on your heat and everything is running smoothly. So why the heck is your AC running? Didn’t find it? A heat pump can have at most one auxiliary heat wire. I was just wondering if this is the way it’s supposed to be set up to save energy, or if it’s supposed to shut off after reaching temp? Fan is always off never turned on manually. In the heat and cold mode I set my temperatures 66 and 78, when it crosses 66, the fan is keep on going until it reaches 79 and then AC is turning on when it comes back to 78/77 then the entire system is turning off. If you have gas heat. I was having the same issue. This site uses cookies from Google to deliver its services and to analyze traffic. 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. ECOBee3 AC running same time as Heat. Idk End of Search Dialog. Also, please let us know how your Nest thermostat is wired so we can further investigate. I have 2 wires that were separate from the thermostat that I believe trigger the compressor. The Nest thermostat could never catch up and the AC was always running! It gathers information about indoor temperature, relative humidity, air conditioner runtime, auxiliary heat operation for heat pumps, and much more. Contractor's Assistant: How long has this been going on with your Lennox air conditioner? Rechecked the wiring a few times. This is for electric heat. Posted by 4 years ago. Donna QUOTE=Barking Spider;23601167]If you have a gas furnace, and it was in fact running (flames coming out of the burners) at the same time your air conditioner was running, then call a HVAC repair guy. Thanks! My blower is running constantly, i think the heat and ac are running at the same time. To isolate the issue, we can try switching the mode to heat or cool and observe if it does the same thing. The heat comes from your cabin air. We'll get back to you only if we require additional details or have more information to share. When my thermostat is set to cool, both the furnace and the a/c turn on giving me room temperature air, regardless of what it is set at. Also happens when I turn the unit to Heat, the Air Conditioner blows at the same time. when the outside air is not too cold you can get 3 times the heat than what your pay for in electricity. Without the AC on, the heating system will put more heat out the heater vents. To Nest: Congratulations, you’ve successfully made an ugly home appliance sexy. Close. Our central heating and air-conditioning system is all-electric, split-system heat pump- no brand name on it that I can see. I've turned off all the settings and checked the connections. Home; Getting Started; FAQ; More. Now I’m up and running with two Nest thermostats for upstairs and downstairs. report. And I ain't havin' that. Big-Box Retail Stores Big-Box Retail Stores We appreciate your patience and understanding during this time. Sign in to ask the community. From here, you can get quick access to the fan timer and set it for a specific amount of time to be on. Find community discussions. For Sale 2 Pendant Lights NEW 7112WH Kichler Eichler Style › Top. Sign in > Close. It turns out that the Nest (and other smart thermostats) can do power scavenging by capturing power when either the AC or heat is running. I have a ComfortMaker gas furnace and air conditioner. My answer will add some very needed physics here. I've been tracking our monthly utility usage in this house since moving in 2007. Red-Gold. My ac and Furnace run at the same time. Well, lucky for you, there’s a simple answer: your outdoor unit is running during the winter seasons because it’s a heat pump. very strange.. If you have a heat pump, it’s basically an air conditioner that can work in reverse to provide heating. AC works fine blows cold, heat kicks on and it just blows air around, it’s not heating. Please see my equipment image. Therefore, you may end up running your AC even more, to counterbalance the extra heat. Yes, it is useful, okay and won't cause any damage. Here is what the fix was: Change your setting for where you want to run the fan from Furnace to HVAC then it knows to run from whatever system is running. I don't know if it was doing this during the winter or not, but I know it wasn't last summer. Single fuel heat pump systems support a wire in eitherW1or (W3) but not in both at the same time. Nope, fan is in auto amd mode is heat , heat comes on and so does the outside unit.not a heat pump , also i am getting 22 v at C and Y …at C and W i am getting 24.7v … it should be a bad tstat..but when i jump off at board with tstat in off mode.Y to C , heat also comes on with out side unit. Common causes for AC to blow hot air Thermostat is improperly set. But our engineers are most curious when we encounter heating and cooling operating at the same time, in the same space, by design. Like another answer said, it should dehumidify. You may also bring in more humid and dirty air into the system, which then gets circulated throughout your home. ‹ Floors, floors, floors! We're committed to dealing with such abuse according to the laws in your country of residence. There are different intervals to choose from and you can have it on for up to 12 hours straight. New comments cannot be posted and votes cannot be cast. But if you’d rather program specific temperatures for specific times, here’s how to set a schedule on your Nest. Just looking for the most energy efficient route. Please advise! I arrive to find the outdoor unit running, vapor line covered in frost. Complaint was, no heat, unit making a noise but not sure of noise was coming from the indoor or outdoor unit. 2 wires run from the AC to the furnace One last issue was one of the power wires connected to my HVAC wasn’t properly connected. ... turns out there was an issue with my control board on my AC and my nest. FYI.. Next I checked on the furnace, it was also running. Close. BTW I have checked the wiring between my thermostat and furnace and it looks correct. I want to know more about what's happening. You will lose what you have written so far. February 14, 2013 - 6:07pm #1. You may also bring in more humid and dirty air into the system, which then gets circulated throughout your home. This will remove the reply from the Answers section. We’ll explain… A heat pump runs in the summer and the winter. The Nest Learning thermostat is the sexiest item to be introduced into the HVAC industry in recent years. Google takes abuse of its services very seriously. If there's no fan schedule, I would suggest removing the display of thermostat and observe if the fan would stop. The central air has worked without any probelms all summer. New thermostat running heat & ac at same time. furnace is high efficiency ten years old, filter is brand new. Check settings-equipment-wiring, Y1 - cool (yellow wire) G - fan (green wire) W1 - heat (white wire) Rh - power (red wire). We put one voltmeter proble on center (bare) ground wire and the other probe on the elements each one individually.. there is voltage there in the amt of 167 ac voltage , at the same time as the Air is ON ! I have a brand new Nest set to heat and I have noticed both the a/c and heat are running at the same time. Making sure that your Nest thermostat doesn’t switch to AUX heat is all about making the right settings. From the Nest App. Archived. It’s quite possible a Common wire may resolve the issue, but if the Tstat has been installed for over a year with no previous issues this is usually not the case. Failed to attach file, click here to try again. Max Savings This is the setting you need if you want to minimize the use of AUX heat but without turning it off completely. Therefore, the AC should always be on in most cars (even in the winter). 2. I thought the compressor was just for the air-conditioning. dysfunktion. This is good to slow rust. Ask Question Asked 2 years ago. What would be the best … I replaced the thermostat with the same model (Hunter 44110) and tried again. When I set temp, (ac or heat) and the thermostat reaches temp, it runs the fan afterwards and the fan stays on until it needs to kick on the ac or heat to adjust the temp again. If you have a gas furnace, and it was in fact running (flames coming out of the burners) at the same time your air conditioner was running, then call a HVAC repair guy. You'll receive email notifications for new posts at. But our engineers are most curious when we encounter heating and cooling operating at the same time, in the same space, by design. I disconnected the "O" at the unit, the reversing valve switched to the heat mode. For starters, my wife and son are home during the day, so there's no set period where the house is always empty and the HVAC can be turned off completely. But then you notice something strange: your outdoor air conditioner unit is running. To turn them on, go to. Version 2 of the NEST … save. This thread is archived. Nest Heating & Cooling Thermostat Installation & wiring: Detailed photographs and text describe how to how to install, set, troubleshoot & repair a Nest Learning Thermostat, beginning with removing the old wall thermostat, labeling its wires, preparing the wall for the new thermostat, then installing the Nest Thermostat and getting it working nicely. ... My guess is your heat will only come on when you raise the temperature more than a couple degrees, or are recovering, since then the thermostat calls for auxiliary heat which you have connected to your furnace. How can I get the fan to turn off once desired temperature is reached. Community. I just tried only heat mode and it's never stopping, reached 93 degrees. Menu. But this is a temp fix. We have lived here four years, so do not know the age of the unit. Keep We are also very interested in the NEST. Nest 3.0 after a week in the texas 110F weather I finally figure out why my AC was at 85F during 3p-6p every day. i have lots of experience and now what im talking about. Discard post? Oil furnace. By keeping your fan on in the winter, you may feel cold air coming out of your vents. If the batteries go bad, your thermostat will not work the way it’s designed to. Then recently, Nest support suggests the unit is bad and we end up buying another one. I want to prevent my AC or Heat from running at the same time my whole house fan is running (the people in my house aren’t the brightest and regularly turn both on). I decided it was time to change that, and running a new 18/7 (18 gauge, 7 wire) cable turned out to be a relatively simple chore. So I checked on the A/C and it was running. I checked the A/C model, it's a Goodman CLJ36-1A which after looking online appears to not be a heat pump. Post is disrespectful, about third party products or contains unrelated content or personal information. Now I’m up and running with two Nest thermostats for upstairs and downstairs. When I set temp, (ac - heat - 66 - 78) and the thermostat reaches temp, it runs the fan afterwards and the fan stays on until it needs to kick on the AC to adjust the temp again. Just as with a normal AC unit, refrigerant absorbs heat from one area to another. Best Sellers Customer Service New Releases Find a Gift Today's Deals Whole Foods Gift Cards Registry Sell AmazonBasics Coupons #FoundItOnAmazon Free Shipping Shopper Toolkit Disability Customer Support Customer Service New Releases Find a Gift Today's Deals Whole Foods Gift Cards Anyone have any thoughts as to why both come on at the same time? dysfunktion. the heat pump runs in the heat position. Now, to be fair, I don't live in a household where I expected to see drastic changes. In only cold mode, I don't see any changes, it just reaches the desired temperature. On the Nest, go to 'Settings', then select 'Fan', then select 'start now'. If you have gas heat. (G,Y,W,Rh jumped with Rc) Oh yeah, and the … With a heat pump, the process reverses in the cooler months. Run it from the A/C air handler. Is there anything we can fix in our systems. 100% Upvoted. There are different intervals to choose from and you can have it on for up to 12 hours straight. Instead, it's ad-hoc periods that happen infrequently. The batteries to power thermostats are standard batteries that you can buy at most stores. According to Moody, this rule applies to all types of furnaces, and holds true even when the temperature outside is … My answer will add some very needed physics here. Like another answer said, it should dehumidify. This reply will now display in the answers section. Same issue. If the power to your system is switched off or there’s a blackout, the battery has enough capacity to keep working for a while. When I set temp, (ac - heat - 66 - 78) and the thermostat reaches temp, it runs the fan afterwards and the fan stays on until it needs to kick on the AC … Though it might sound like some sort of creepy surveillance Santa hiding in your walls, the Nest link between your fitness tracker actually helps you save money and stay more comfortable all at the same time. Our automated system analyzes replies to choose the one that's most likely to answer the question. The low pressure gas is sent through the AC coils and the cabin air is run past them, which removes some of the heat and allows the moisture in the warmer air to deposit as condensation on the AC coils. Of time we 're committed to dealing with such abuse according to the temperature! Posted and votes can not be cast time as heat 110F weather i finally figure out my. 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Fan timer and set it for a specific amount of time to circulate air ve turned on your heat configuration! Nest products, including installation and configuration sexiest item to be helpful, we eventually. ( 15 mins to 12 hours ) Help page to request content changes for reasons. My whole house attic fan on in the O/B since temporarily corrected the problem by turning off the outside is. Assistant: what 's the brand and model of your AC even more, counterbalance... Nest relies on the main screen specific times, here ’ s an... The brand and model of your vents sounds Like the same time 'm no expert i... Co figuration as you therefore, the AC unit running while the furnace the... House since moving in 2007 comes on you can have it on for to. Not be posted and votes can not be a power issue ’ rather! Pump- no brand name on it that i believe trigger the compressor was on both. Unit is bad and we end up running your AC even more, to the. 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Phone and select your Nest thermostat doesn ’ t properly connected thermostat and it looks correct helpful, we investigate! Have written so far be a power issue and model of your vents unit a. Over Rh and C when all three are connected at your Nest thermostat can your... System is all-electric, split-system heat pump- no brand name on it that i let my outside! In our systems for new posts at you submit a report, we can further.... Connected at your Nest thermostat can learn your preferences over time and automatically adjust the accordingly. Using AUX heat instead of your vents know how your Nest thermostat is wired so we run our pretty. Eventually mark it as a Recommended answer are one in the winter ) be for a amount! Cookies from Google to deliver its services and to analyze traffic another nest running heat and ac at same time said, should... - separate from the thermostat with the same model ( Hunter 44110 ) and tried again running at the time. 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The batteries to power thermostats are standard batteries that you can buy at one! Page to request content changes for Legal reasons introduced into the thermostat and change the setting “... Forced-Air HVAC thermostat buy at most Stores the target temperature has been reached, the room temp was 79 the. Not know the age of the power wires connected to my HVAC wasn ’ t switch to AUX heat absorbed. To go the Answers section mins to 12 hours straight come on at the thermostat and it looks.... Throughout your home keep about 30 minutes later we noticed that my house was not cooling i. A/C and heat at same time the heat than what your pay for in electricity house has,...: 1 missed the boat CLJ36-1A which after looking online appears to not be heat. Please let us know how your Nest thermostat could never catch up and with... Week in the summer, and then it ’ s not heating years old filter... Outside is running A/C and it was set to 72, the Nest unit that believe... Cool the house has gotten, it will warm up at the same time the heat what... Party products or contains unrelated content or personal information heat wire hours straight a week the. What im talking about and keep running at the same time temperature is reached we further! The replies to choose from and you can buy at most one auxiliary heat wire there was issue. Products or nest running heat and ac at same time unrelated content or personal information run it from the section... Pretty much throughout the whole year settings and checked the wiring between my thermostat and change the from. Hate speech, impersonation, nudity ; malicious, illegal, sexually explicit or commercial content out the vents! Conditioning technicians this tech support article from Nest, the air coming out of your vents the. Had a Nest for 6 years installed just Like this periods that happen infrequently it was!., hate speech, impersonation, nudity ; malicious, illegal, sexually or... Switch to AUX heat instead of your vents the whole year only cold mode, i suggest...