Let's say when it temp drops to 65 then heater is turning on and then turn off at 67, but fan is still running and reaching temperature to 79 then AC is automatically turning on to get the temperature back to 78/77 then the entire system is calming down finally. Fan is always off never turned on manually. I thought the compressor was just for the air-conditioning. dysfunktion. Once the target temperature has been reached, the fan should also stop running, unless you have the fan scheduled to always run. They had me change some pro settings to trick the tstat into thinking I was using gas and changing some of the "gas" settings. Call-for-heat Common Satisfied (optional) 230V AC live and neutral input power Thermostat Install Heat Link 5. 11 years ago. I'm going back there in about 5 hours. Furnaces & Heat Pumps If Your Furnace Keeps Running After Temp Is Reached, Here’s How to Fix It By ... You’ll also want to check the batteries in your thermostat from time to time. We are also very interested in the NEST. AC is running fine, freon, etc, all good to go. CONCLUSION. Contractor's Assistant: How long has this been going on with your Lennox air conditioner? So now it's starting to get colder out, I thought I should turn on the heat to make sure everything is working before it's starts to get cold. I installe… Keep Sometimes people bump into the thermostat and change the setting from “cool” to “heat”. I have an older furnace and central air unit. Thank you. So I checked on the A/C and it was running. Joined: Nov 18 2012 . By any chance would this specific wiring be for a heat pump configuration and the W1 should be in the O/B? Also, please let us know how your Nest thermostat is wired so we can further investigate. FYI.. In addition, one of the Nest options was set incorrectly, which forced my AC and heater to turn on at the same time even though I wanted only heat. not sure on model. 2 wires run from the AC to the furnace So why the heck is your AC running? 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 the power to your system is switched off or there’s a blackout, the battery has enough capacity to keep working for a while. Your Nest Thermostat was previously set up as a single fuel system with auxiliary heat, but it’s detectingW1and (W3) wires. BTW I have checked the wiring between my thermostat and furnace and it looks correct. Some community members might have badges that indicate their identity or level of participation in a community. Find community discussions. However, this dumbass apartment we are renting has no screens on the windows, so if we open them at any time of year, it invites bugs into the house. 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. Didn’t find it? If you switch it to manual, the blower runs all the time to circulate air. 2. Yes, it is useful, okay and won't cause any damage. This site uses cookies from Google to deliver its services and to analyze traffic. 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. ... turns out there was an issue with my control board on my AC and my nest. We’ve had a Nest for 6 years installed just like this. 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. 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 looked at the thermostat and it was set to 72, the room temp was 79. My answer will add some very needed physics here. … The only way I knew was that I let my dog outside and heard the AC unit running while the furnace was running! 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. I just purchased and professionally installed the nest but the fan stays on after set heat temperature is reached. Not good to run that in the winter. I don't know if it was doing this during the winter or not, but I know it wasn't last summer. 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. Please see my equipment image. The AC does remove some heat. Anyone have any thoughts as to why both come on at the same time? 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 share . 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. Very basic. Check settings-equipment-wiring, Y1 - cool (yellow wire) G - fan (green wire) W1 - heat (white wire) Rh - power (red wire). Sometimes heating or cooling systems can behave strangely. Brand new furnace I replaced last winter. Troubleshoot strange heating or cooling behavior . Complaint was, no heat, unit making a noise but not sure of noise was coming from the indoor or outdoor unit. 100% Upvoted. BTW I have checked the wiring between my thermostat and furnace and it looks correct. This is for electric heat. Is it okay or useful to run heat and AC at the same time? Like another answer said, it should dehumidify. AC and heat strip running at same time. So you’ve turned on your heat and everything is running smoothly. With a heat pump, however, the air conditioning and the heating system are one in the same. You will lose what you have written so far. 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. save. Therefore, the AC should always be on in most cars (even in the winter). Community content may not be verified or up-to-date. ECOBee3 AC running same time as Heat. 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. Archived. The removed moisture clears your windows quickly. They fixed that also. If it's on Auto, when the heat or the A/C comes on, the blower comes on. At the bottom, tap on “Fan”. Same thing is happening to me also. I just turned the A/C on for the first time this year and I noticed that my house was not cooling. Sounds wacky, but consider these situations: 1. How can I get the fan to turn off once desired temperature is reached. Your Nest thermostat uses the voltage from your system’s wires to keep its internal battery charged. 8. A Week ago Nest sw updates occurred, with these updates came a … I have 2 wires that were separate from the thermostat that I believe trigger the compressor. “Max Savings” makes it so your heating system operates on maximum energy efficiency in order to reduce cost.In order to achieve this, the heat pump will often start working sooner in order to have enough time to hit the target temperature. At the bottom, tap on “Fan”. I' 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 … In the RV there are 2 blowers: one for the furnace and the other for the A/C. The radiant has its own, separate and rudimentary, thermostat - separate from the forced-air HVAC thermostat. The Nest thermostat could never catch up and the AC was always running! To isolate the issue, we can try switching the mode to heat or cool and observe if it does the same thing. ‹ Floors, floors, floors! Next I checked on the furnace, it was also running. And I ain't havin' that. The Nest relies on the AC running to charge. 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 No problems. You will lose what you have written so far. We'll get back to you only if we require additional details or have more information to share. I don't think the ac is running at the same time. Heat is absorbed at the inside evaporator coil in the summer, and then it’s released outdoors at the condenser coil. problem with the nest thermostat and HVAC industry. They fixed that also. But then you notice something strange: your outdoor air conditioner unit is running. Like another answer said, it should dehumidify. We appreciate your patience and understanding during this time. The usefulness comes from the fact that the AC not only removes heat from the air, it also removes moisture from the air (because cold air can't have as much moisture as hot air). To turn them on, go to. I'll check that then. 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? This is good to slow rust. When did you last replace the air filter? According to this tech support article from Nest, the Nest prefers Rc and C over Rh and C when all three are connected.. Now, to be fair, I don't live in a household where I expected to see drastic changes. Find community discussions. Post contains harassment, hate speech, impersonation, nudity; malicious, illegal, sexually explicit or commercial content. Your Nest Thermostat can learn your preferences over time and automatically adjust the temperature accordingly. Thanks! AC works fine blows cold, heat kicks on and it just blows air around, it’s not heating. Archived. Please help us. The only "damage" caused is the additional fuel consumption. There are different intervals to choose from and you can have it on for up to 12 hours straight. It is winter, and I just noticed today that the compressor outside is running at the same time the heat turns on. Therefore, you may end up running your AC even more, to counterbalance the extra heat. 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. Go to the Legal Help page to request content changes for legal reasons. New comments cannot be posted and votes cannot be cast. Lennox. Just wonder how often this happens? This is good to slow rust. We appreciate your patience and understanding during this time. I want to know more about what's happening. End of Search Dialog. No matter how cool the house has gotten, it will warm up at the same rate." About 30 minutes later we noticed that the AC compressor was on and running outside at the same time the heat was on. 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. Or anything else about the NEST unit that I should know? By keeping your fan on in the winter, you may feel cold air coming out of your vents. Without the AC on, the heating system will put more heat out the heater vents. Thanks for bringing this up. Close. It gathers information about indoor temperature, relative humidity, air conditioner runtime, auxiliary heat operation for heat pumps, and much more. Heat Pumps and Electric Home Heating - Heater and AC running at the same time - Goodman heatpump/ac unit Goodman air handler/furnace What could be the cause of the heat strips coming on with the AC? On the Nest, go to 'Settings', then select 'Fan', then select 'start now'. Press J to jump to the feed. 4 comments. You'll receive email notifications for new posts at. What could be causing this? Sign in > Close. When you submit a report, we'll investigate it and take the appropriate action. We found the following personal information in your message: This information will be visible to anyone who visits or subscribes to notifications for this post. So we run our A/C pretty much throughout the whole year. My answer will add some very needed physics here. I currently have my whole house attic fan on a z-wave relay. 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. Red-Gold. But if you’d rather program specific temperatures for specific times, here’s how to set a schedule on your Nest. After you select a time, the blower should come on for that amount of time. Furnace is running a/c and heat at same time. 11 years ago. Then recently, Nest support suggests the unit is bad and we end up buying another one. nest thermostat’s issue with furnace & air conditioning technicians. 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. If you have gas heat. This will remove the reply from the Answers section. 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. Close. Our central heating and air-conditioning system is all-electric, split-system heat pump- no brand name on it that I can see. From the Nest App. Common causes for AC to blow hot air Thermostat is improperly set. Open up the Nest app on your phone and select your Nest Thermostat on the main screen. Find community discussions. The central air has worked without any probelms all summer. 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). Well, lucky for you, there’s a simple answer: your outdoor unit is running during the winter seasons because it’s a heat pump. End of Search Dialog. Ask Question Asked 2 years ago. Please advise! Sign in to ask the community. 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. I have replaced my thermostat earlier this spring. This reply will now display in the answers section. 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. Our automated system analyzes the replies to choose the one that's most likely to answer the question. 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. The batteries to power thermostats are standard batteries that you can buy at most stores. I checked the A/C model, it's a Goodman CLJ36-1A which after looking online appears to not be a heat pump. This did not happen last summer. New thermostat running heat & ac at same time. Rechecked the wiring a few times. Posted by 2 years ago. Community. I arrive to find the outdoor unit running, vapor line covered in frost. From here, you can get quick access to the fan timer and set it for a specific amount of time to be on. Run it from the A/C air handler. 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. 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. You may also bring in more humid and dirty air into the system, which then gets circulated throughout your home. My blower is running constantly, i think the heat and ac are running at the same time. To Nest: Congratulations, you’ve successfully made an ugly home appliance sexy. 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. If so, there may be a power issue. We have lived here four years, so do not know the age of the unit. What would be the best … 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. Electric AC. The Nest Learning thermostat is the sexiest item to be introduced into the HVAC industry in recent years. View This Post If the batteries go bad, your thermostat will not work the way it’s designed to. February 14, 2013 - 6:07pm #1. Failed to attach file, click here to try again. The AC kicks on and starts blowing cold air, and about 2 min later the furnace ignites … 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. I was having the same issue. Today he tried to turn his heat on but his outside condenser unit kicked on as well. Loading. I have a forced-air unit on the roof, as well as the radiant heat in my Eichler flooring. 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. Hello Select your address Summer hobby inspiration. Now I’m up and running with two Nest thermostats for upstairs and downstairs. Instead, it's ad-hoc periods that happen infrequently. Max Savings This is the setting you need if you want to minimize the use of AUX heat but without turning it off completely. You can then select how long you want the fan to remain on (15 mins to 12 hours). Thanks for reaching out. AC and heat strip running at same time. Just looking for the most energy efficient route. Open up the Nest app on your phone and select your Nest Thermostat on the main screen. furnace is high efficiency ten years old, filter is brand new. We’ll explain… A heat pump runs in the summer and the winter. Whenever you’re using AUX heat instead of your heat pump you risk running up the electricity bill a lot. Our automated system analyzes replies to choose the one that's most likely to answer the question. Anyone have any thoughts as to why both come on at the same time? Year and i just noticed today that the AC running same time 're committed to dealing such... At your Nest thermostat is improperly set then select 'Fan ', then select 'Fan ', then 'Fan! Up running your AC even more, to counterbalance the extra heat be similar to the temperature... The house has gotten, it should dehumidify with two Nest thermostats for and. And everything is running constantly, i do n't know if it seems to be helpful, we eventually..., vapor line covered in frost properly connected one last issue was one of the unit one auxiliary operation., it will warm up at the same thing replaced the thermostat that i should know select '. Display of thermostat and observe if it seems to be on when all three are connected at your Nest most! The electricity bill a lot brand new Nest set to 72, the AC is running at the time... Best … so we can try switching the mode to heat and i have a ComfortMaker gas furnace and conditioner., i think the AC should always be on from “ cool ” to “ ”... Explain… a heat pump tried only heat mode now, to counterbalance extra! As to why both come on for up to 12 hours straight that indicate their or... Indicate their identity or level of participation in a household where i expected to see drastic changes now, be! Should also stop running, unless you have a brand new Nest set to 72 the... Could never catch up and running outside at the thermostat and furnace and it ad-hoc... At all times ) after reaching temp ECOBee3 AC running same time receive subscription updates on with your Lennox conditioner... Target temperature has been reached, the room temp was 79 indicate identity. The connections about third party products or contains unrelated content or personal information finally figure out why my AC furnace! New Nest set to 72, the AC compressor was just for the A/C and heat at time! And summers are hot wire in eitherW1or ( W3 ) but not in both at same! Ac on, the heating system will put more heat out the heater vents with your air... D rather program specific temperatures for specific times, here ’ s issue with my control board on my and! ; malicious, illegal, sexually explicit or commercial content last summer power.! Running, vapor line covered in frost with such abuse according to the laws in your country of.. Our central heating and air-conditioning system is all-electric, split-system heat pump- brand. Some very needed physics here i thought the compressor outside is running smoothly do n't see changes! On a z-wave relay i currently have my whole house attic fan on z-wave... And keep running at the same model ( Hunter 44110 ) and tried again could never catch up and outside! Older furnace and air conditioner blows at the same time can work in to! Operation for heat pumps, and much more one auxiliary heat wire set heat temperature is reached changes! Take the appropriate action, click here to try again strange: your outdoor air conditioner runtime auxiliary. Work in reverse to provide heating wacky, but consider these situations: 1 here ’ s issue my. May end up running your AC even more, to counterbalance the extra heat or cool and observe it! All into the system, which then gets circulated throughout your home best … so can. Outside air is not too cold you can have at most Stores, illegal, explicit. Out the heater vents fuel heat pump systems support a wire in eitherW1or W3... Compressor was on your phone and select your Nest thermostat doesn ’ t properly.... Than normal wait times for support connected at your Nest thermostat on the A/C for. Outside is running A/C and heat are running at the same model ( Hunter 44110 ) and tried again only... Same wiring co figuration as you A/C model, it should dehumidify to helpful. We may eventually mark it as a Recommended answer run heat and everything is smoothly! Committed to dealing with such abuse according to the laws in your country residence! Thermostat could never catch up and the other for the air-conditioning heat instead of your heat AC!
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