Again, the The answer depends on what kind of auxiliary heating your system uses. EM heat is NOT the same thing as AUX heat: AUX heat signifies that your heat pump has automatically switched over to backup heating because temperatures are too low. A lot of people don’t really understand the difference between auxiliary heat and emergency heat. using resistive heating coils (like in a toaster or hair dryer) located “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. The furnace will be better positioned to keep up with the demands that the thermostat places on it. My Honeywell Thermostat Says Wait: What to do Next? The difference in name "emergency heat" vs. "auxiliary heat" results The important thing to remember is that “AUX” heat is fast and dependable but it’s also more expensive than heat … For more about identifying the functions of thermostat control The Heat Pump cannot handle this temp. Auxiliary heat uses electric resistance heating, which is much less efficient than your heat pump. Use the heat pump aux. I'm using a Nest Thermostat to power baseboard heaters (240VAC). The problem is that these heat strips are much less efficient than your actual heat pump. This is typically caused by one of three factors: when it’s below 35° outside, you’re trying to heat your home by 3° or more, or your heat pump is in defrost mode. It can be a good thing even if the cost of using this raises your monthly heating bill. compressible vapor with low boiling point (like freon) is forced TYPE". On my old thermostat I have a white wire connected to W2 and brown connected to E. Upon inspection at the unit in the attic I found that the brown and white wires from the unit in the attic, the white wire from the heat pump, and the brown and white wires from the thermostat are all tied to the same nut. E: Emergency heat (In emergency mode "Y" is not energized and E is energized to indicate the need for emergency heat. This wording is ambiguous because it sounds like you are The auxiliary heat (electric resistance heat, or back-up heat) is minimized since it is more expensive. Let’s say it is 28 degrees outside, the heat pump is running 100% as designed, the home is maintaining 72 degrees and all the heat made so far is cheap heat. To somewhat contradict myself, I do see a happy marriage between geolocation technologies and the Nest. heat below that temperature, or telling it to through a cycle that includes a compresser, a cooling heat exchanger outside in order to warm the house. While there may not be one clear answer as to how you can prevent the auxiliary heat from coming on, a few of these suggestions may help you to save more money this winter. This allows Nest to know if the Heat Pump is the least cost way to heat at any given time. Either way, these are issues that are best handled by professionals who have the tools to diagnose and correct the problem. While you may prefer learning how to stop the auxiliary heat from coming on, there is definitely a time and place for it. E: Emergency heat (In emergency mode "Y" is not energized and E is energized to indicate the need for emergency heat. E and AUX terminals, you'll have to flip a manual switch to get the "Use the heat pump compressor when the outdoor temperature is That’s why energy.gov says heat pumps are more efficient in milder temperature climates—they don’t need to use the heat strip or gas furnace as often. As the temperature drops two to three degrees below the set temperature, many systems will signal for the auxiliary heat to come on. If not, then it may not operate your system as expected. One heat There’s ice on the heat … The home temperature raises to a point just short of the thermostat set point and then the auxiliary heat turns off as soon as possible. In winter, solenoid-actuated valves reverse the circulation I have run across many customers who are used to oil or gas as a heat source who had to be re-educated on how to use their heat pump. The difference is quite simple. Using It without Wi-Fi. HEAT" or ; At Temperature Scale (°F/°C) settings, press Next. COMFORT". 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. temperature should only be used if The difference is quite simple. It is so cold. Auxiliary heat refers to your heat pump’s backup electric resistance heating. If you have not lived with a heat pump prior to the one you now have, there will be a learning curve. article. Don't want to use the aux heat though, really ever. It is signaled as “backup” for your actual heating system since the outdoor heat pump doesn’t seem capable of handling the situation on its own. By losing the emergency heat function you can NOT switch to just aux heat if the HP ever has a problem. need to use the electric heating coils is when the system is broken — It's following commands instead. Nest Sense Heat switched to "MAX. ". In the lower right the outdoor heat exchanger, where heat is released; then through the But we do have the occasional winter night with a low in the 20s. The nest is installed the heat seems ok the ac is not working right though it hot air still the outside unit comes on but the coils are hot on the inside unit . Newer thermostats may cause the auxiliary heat to come on more quickly than older ones. If it’s 30 degrees outside, it is unreasonable to expect the system to maintain an indoor temperature of 78 without using the heat strips. Pump Balance is on. But we do have the occasional winter night with a low in the 20s. Perhaps you feel most comfortable in the mid-seventies, but the air outside is dipping below freezing. Most Heat Pumps can heat your home down to about 32F degrees. EM heat is an option on your thermostat that you can manually turn on to activate backup heating. But on the Nest The W2 brown wire goes in to * on the Nest which is emergency heat. I would recommend to set a value for these thresholds first and that should eliminate the aux heat turning on sooner than needed. The coils won't get hot on the auxiliary heat! when the heat pump is working perfectly well, and in this case the a short time in the morning when your system goes from your lower Add a few layers to your outfit or sleep with an extra blanket to keep your furnace from working so hard. system called a "heat pump", and live in an area where the temperature I have a heat pump w/aux. Because auxiliary heat is a rather complex and also expensive solution, I would really recommend checking out the Nest website to see if there is a more efficient or cost-effective set up for your Nest Thermostat. Nest 3rd gen model will turn ON the aux heat system only when it is necessary (only when the outside temperature falls below the aux heat lockout temperature). This mode is used if the heat pump fails during cold winter temperatures and the compressor must remain off.) Sensi Smart Thermostat. identifying thermostat wires ; Outdoor settings. There may be an easy solution that corrects your auxiliary heating issue and reduces your heating costs all at the same time. exchanger is located inside the house or apartment, and the other is Learn more about what to do if your aux heat keeps coming on this winter. When your heat pump breaks down, or it just isn’t working the way it’s designed to, a homeowner can switch to emergency heat. It could be your thermostat is calling for aux heat and you are getting a false reading that the heat strips are operating as they should be. Switching your thermostat to emergency heat is you telling your heat pump this: “Hey, stop trying to pull in air from outside. Just like a smart fridge without an available Wi-Fi connection is nothing more than a regular fridge, Nest turns into a regular thermostat if there is no Wi-Fi connection. Type above and press Enter to search. That is why both the Heat Pump and the Aux. Heat Pump Stuck in Aux Heat Mode. If you chose "E: EMERGENCY", then you're done, there is nothing For this reason, heat pump systems installed in climates Other times, it is influenced by the make and model of your thermostat. "while asleep" temperature setting to your higher "while I'm awake" On the other hand, if you live somewhere that the temperature ; Press Next. vents, or if you get your heat from oil or gas, then these rightmost end, or about 15 steps from the left), You'll see "Equipment detected" and a diagram of the backplate with Install the best insulation so that your home can hold heat better. It turns red when it's using just the heat pump to heat the house, and then red with the words "Aux. Their thermostat is set to help accommodate your preferences, but the temperature may not always remain constant. the outdoor temperature is below, Use the heat pump compressor when the outdoor I do not have my switch set to Aux Heat. Using Nest-Sense the thermostat Monitors The Heat Pump’s Operating Performance all the time it’s running. Heat pumps do not do well in leaky houses. To do all these incredible things for you, Nest needs Wi-Fi access. emergency vs. auxiliary heat: After making these settings, the Nest "home screen" (showing the Unfortunately, using the auxiliary heat is significantly more expensive than using your heat pump. term "auxiliary heat" is more appropriate. outdoor air. It turns red when it's using just the heat pump to heat the house, and then red with the words "Aux. It is my understanding that it should not kick into AUX heat unless the temperature setting is set 3 degrees or more above what the temp is reading on the screen. Thanks for any help you can give me. When it reads that the room temp is 70 degrees and I have the thermostat set at 70 degrees why does it kick into AUX heat? Avoid using the emergency heat setting: auxiliary heat vs emergency heat. auxiliary heat to turn on. settings. It’s important that your Sensi thermostat is configured to match your system type. Emergency Heat is typically triggered when it is 35°F and below outside. "auxiliary" or "emergency", rarely both. Emergency heat is only used if there’s a problem with your heat pump. This is even a great time to turn on your oven for a little holiday baking. well it can work when the outside temperature is very cold. There are plenty of situations that certainly call for this backup system to spring into action during the winter months. The W1 white wire goes into the W2/aux on the Nest. To do this, some heat pumps will rely on the use of heat strips. What does aux heat mean on a Honeywell system? different names refer to the same thing: an electric heating system If you live in an area when the temperature hardly ever goes below bottleneck value (making the refrigerant cold) and then through the is called "Auxiliary Heat Lockout" in the website and app. Hello. heat when Thus, there is only 1 level of auxiliary heat from the thermostat, turning on 1 or 2 strips. Before the winter season really begins, it is best to schedule a time to have your system inspected and tuned up. instructions do not apply to you. Most San Marcos homes have 1 of 2 types of auxiliary heating:. W: Auxiliary heat, stage 1. EM heat is NOT the same thing as AUX heat: AUX heat signifies that your heat pump has automatically switched over to backup heating because temperatures are too low. Save my name, email, and website in this browser for the next time I comment. ... Nest Thermostat Keeps Using Aux Heat – How To Fix: benefits. However, by turning your thermostat up slowly, you can avoid this. Next screen is "Your System", which should read: "heat pump and max. heat pump should be able to keep you warm all the time. In summer, the heat pump circulates in one direction, causing the outside (perhaps on the roof). if the outside temperature is below about 25°F (or -4°C), a heat pump already have this set properly (if it were set improperly, your system It may seem like it isn’t much you can do when your Honeywell thermostat says the auxiliary heat is on. In this option, please select what you find best fits for you. If the heat pump is in defrost mode, you will also need to make good use of your auxiliary heat. cannot warm the inide of a house quickly enough to counteract the There’s ice on the heat pump While also rare, ice is the more common reason for a Phoenix heat pump to use AUX heat. The Nest Thermostat E uses W1 for both emergency and auxiliary heating. My Honeywell Thermostat is Not Turning On. "* WIRE TYPE", and "PRO SETUP". I am replacing my old thermostat with a 2nd Gen Nest. Down in the bottom-left corner, tap on “Heat”. In these cases you can manually enter a higher differential to avoid the auxiliary heat coming on for a certain time or temperature difference (it is up to you what value you would like to keep it at). using the electric heating coils. If you find that you continually need additional warmth in your home, contact your local, licensed professional HVAC dealer for a consultation. (This setting is about 4 or 5 from the Opting for a chillier home can oftentimes make a major difference in whether your auxiliary heat constantly runs or not. above". By bumping your thermostat up three degrees, the auxiliary heat must kick on to catch up with your new demands. Here’s how it works. E: This works nearly identically to auxiliary heat, but for emergency purposes only. Nest website and iOS/Android apps. You are asking your furnace to work too hard to maintain a comfortable temperature. An Informative Guide for Homeowners, My Thermostat Is Not Reaching the Set Temperature: Diagnose the Problem. else to set. 30 degrees, even at night during the coldest month of the year, then a If these strategies don’t work, the thermostat could be the issue. For the most part, you can stop the auxiliary heat from coming on by making a few lifestyle changes in your daily routine. Thermostat itself, the term "Lockout" is not used, instead you see Should I try that first or will wiring it to W2/Aux allow the Nest to use the Strips while the Heat Pump is running without any extra programming since it a dedicated Aux wire? current temperature and whether it's heating" will show "AUX. Open up the Nest app on your phone and select your Nest Thermostat on the main screen. Because consumers have many more auxiliary heat options to work with for augmenting heat pumps, this allows them to experience a winter or two in a milder climate zone without the feature before committing to the extra investment, whichever one it may be. While this might be necessary during a particularly cold spell where your outdoor pump is frozen for days at a time, that is a rare occurrence. the wires that are connected and their labels. cooling that happens from heat going out through the walls, windows, Typically, Therefore, a heating system stuck in AUX heat will run up an energy bill. Next you have the screen where you can actually adjust the Here are a few things you might be able to do to stop the heat from raising your monthly heating costs. Select "Heat Pump Balance". heat exchanger to release heat into the indoor air, then through the I know that my system is a heat pump. heat pump balance doesn't seem to do anything other than raise the outside temp level that the aux heat is able to kick in. No, do not cover your heat pump in winter! The setting will either say “auxiliary” or “emergency” heat. temperature is below. This work is licensed under a Creative Commons Instead of allowing the indoor temperature to drop low enough to signal the auxiliary heat, it will be able to keep a more consistent temperature in your main living areas. Introducing Google Nest. Emergency Heat, also known as “auxiliary heat”, is the second stage of heat that your thermostat runs on when the temperature is too cold for your heat pump to extract heat from the outside. than the heat pump compressor) is referred to as the "Compressor do so, then it is probably actually broken. Short for auxiliary heat, this system is designed to heat your home up quickly instead of waiting for the cold heat pump on the exterior of your home. Limiting the use of auxiliary heat can be an effective means of saving money. The heat pump is doing opposite of what it’s told.. HVAC Technician: Chad DeYoung, replied 3 years ago. The issue could lie with your heating system. In fact, it costs two to five times as much to get the same amount of heat from the heat strips as it does from the normal operation of the heat pump system. How do I configure my thermostat? Therefore, a heating system stuck in AUX heat will run up an energy bill. But then I wasn't sure how to do the common wire. SAVINGS". Turn on a backup heat unit if outside temperatures are below 35 °F (2 °C). Understanding what is considered normal gives you a better idea of how to correct an issue with your HVAC system on your own. detected" and "Your System" screens to get back to Michael Joseph has more than 20 years of hands-on experience as an avid home handyman and had 10 years in the construction industry, specifically in the field of HVAC. EM heat is an option on your thermostat that you can manually turn on to activate backup heating. However, they want their furnace to heat their home again quickly in the morning. If you have a heat pump, use up arrow button to set this to “HP1”. Most dated and old thermostats like the Honeywell, Drayton and Danfoss may never appear to be working or be actually accurate. I think maybe we need to hook up the o wire spots what you think? C: Common. Many homeowners feel powerless over their rising heating costs during these winter months, but there are some practical steps you can take. bottleneck valve and the outdoor heat exchanger, where the I am having an issue with my honeywell 3000 thermostat. (Pocket-lint) - Google Nest has several devices in its portfolio from thermostats and cameras to doorbells and smoke detectors. Add a few layers to your outfit or sleep with an extra blanket to keep your furnace from working so hard. For the most part, you can stop the auxiliary heat from coming on by making a few lifestyle changes in your daily routine. Mine is not Honeywell, so check your instructions. Heat" display when it's using auxiliary heat. Luckily, there are some proven methods of removing frost that don't require a heater. If the auxiliary heat runs all day long, you need to have your system looked at by a professional. The furnace and outdoor heat pump may not be performing its job to keep your home warm enough without the boost from the secondary system. Go to SETTINGS > NEST SENSE. and roof. "*" connection should say either ". It’s Cold! To limit auxiliary heat and lower your heating costs, a critical first step is to set a lower indoor temperature. On these nights, the heat pump switches to auxiliary heat because there just isn’t enough heat to make running the heat pump worth it. You should verify that the X wire on the old thermostat is not a common wire. The auxiliary heat setting is more energy and cost-efficient than emergency heat. In practce I have found Page 24 Heat Pump: Both auxiliary and compressor lockout temperatures can be changed in the Heat Pump section of the Advanced Settings menu. Cookies help us deliver our services. Again, this is just speculation and I'm not sure it has legs to stand on. If it fails to ambiguous because you don't know if you are giving it permission to I have 4 wires that I have access to: 2 wires: Red/Black from a transformer which outputs 24VAC; 2 wires: 24VAC from a thermostat RELAY (Honeywell R841C1169) I thought initially that the two wires from the thermostat relay connect to W1 and RH. For those homeowners who never had an issue with their old thermostats but are suddenly experiencing this phenomenon, it may have to do with the specific model of thermostat that you purchased and installed. By default Nest will activate the heat pump balance, which then automatically determines the aux heat lockout temperature. When the winter winds start swirling, many people find that their home struggles to maintain a warm and comfortable temperature. If you're using geolocation all of a sudden, your learning thermostat isn't learning. In aux mode, your heat pump will continue to use outside air to warm your home to assist the secondary heat source. (If you don't see this, these instructions don't I control that temperature through my WIFI Thermostat. Another way you can prevent the aux heat from running is to create a warmer atmosphere in your home. If the units wired correctly emergency/auxillary heat will come on when the heat pump goes into defrost… it will send a signal to the white wire back to the air handler to energize the relay for the electric heater. On 2018-11-05 - by (mod) - Re-posting: I had a new furnace and Guardian heat pump installed over the summer. Alternatively, it could be that your Honeywell thermostat is malfunctioning and causing the aux system to turn on more frequently. "recovery".). As a result, it will need some assistance from its partner, your auxiliary heating system. When switching your unit to emergency heat, you’re forcing the backup heat system to do all the work. Once the ice on the heat pump has mostly melted, the heat pump goes back to normal and AUX heat turns off. You may notice a fan coming on when it shouldn’t, or your air conditioner runs in Heat Mode when it shouldn’t. In order to take advantage of their efficiency, you need to be sure they’re operating the way they’re intended to operate. Once your thermostat is set up and running, here's how to select Customer reply replied 3 years ago. In normal operation, a heat pump works like an air conditioner: a heat too and use a Nest with it. then after a few weeks, when things seemed to be working well, I always use aux. The auxiliary heat will kick on if the heat pump needs additional heating capacity to meet your set temperature. Electric resistance heating, which use heat strips (standard with every heat pump) installed in your ductwork.This type of heating is highly inefficient. This thermostat is only for use with heat pumps with auxiliary heat. Setting is more expensive to make good use of aux heat still does n't until! Is doing opposite of what it ’ s important that your home problem is that these heat strips much! Wires, see Nest's identifying thermostat wires article pop-up menu appears, “. Heating:, expect to see higher electric bills ” or “ emergency heat ” heat the house and... The lower right the '' * '' connection should say either `` and around bedtime therefore, a first! Temp is 4 degrees '' markup language, Go to settings > EQUIPMENT set. To schedule a time to turn on automatically if need be raises your monthly heating costs a. Should have a more difficult time creating enough warm air to warm your.... Are much less efficient than your heat pump prior to the `` * '' wire then select *... Heat never turns on to assist the secondary heat source might be able to do this some... Savings this is just speculation and i 'm not sure it has legs to stand on constantly... A special test to check the orientation of the O/B wire my heat pump cooling air... Phoenix area, this is even a great time to run some troubleshooting window, and. That if you live in an area where the outdoor temperature is above, use the must! Your thermostat and aux heat Keeps coming on at a comfortable temperature heat still does n't start the! Loads of laundry to take advantage of the Advanced settings menu in practce i have to cover heat... Pump has mostly melted, the auxiliary how do i stop nest from using auxiliary heat? is always on, is! Temperature Scale ( °F/°C ) settings, how do i stop nest from using auxiliary heat? Next rest of the Advanced menu!, please select what you think set really low so that the aux heat should only used... Either say “ auxiliary ” or “ emergency ” heat winter season really begins, could... Before contacting a professional heat their home again quickly in the Phoenix area, this only if. Off works with Nest connections time it ’ s important that your Honeywell thermostat is configured to match system. Reaching the set temperature: diagnose the problem: it will either say '' auxiliary '' or a `` wire., Drayton and Danfoss may never appear to be able to hold up under these demands choose '' Savings... T produce enough heat in the lower right the '' * '' wire then ``. Question here in Manteo, NC several devices in its portfolio from and. Turn heat pump balance, which is emergency heat – how to correct an issue with your heat pump subscriptions! Also a time to have your system looked at by a professional can’t keep up the... Want to change the min the lower right the '' * '' connection should say either `` this is... But they can be an easy solution that corrects your auxiliary heat runs... System stuck in aux heat still does n't start until the difference between set temp and current temp 4! Up slowly, you ’ re forcing the backup heat system to do all these incredible things for you ). Licensed under a Creative Commons Attribution-NonCommercial 4.0 International License heat must kick on working or be accurate. When thermostat shows auxiliary is working for your unit it only triggers when! Advantage of the warm air can be changed in the mid-seventies, but the air outside in to! The thermostat calls for a heat pump, use the heat from the dryer the Nest thermostat using. Pump in the 20s '' MAX Savings '', or `` emergency '', cooling the outside! View your order history your furnace from working so hard compressor when the thermostat be! So try to keep your home can hold heat better an air heat. Either say '' auxiliary '' or a `` B wire ''. ) am replacing my old thermostat is Reaching... Degrees the indoor temperature minimize the use of your thermostat up three degrees, the auxiliary heat labelled. An effective means of saving money to * on the use of heat strips old thermostat with a low the... For these thresholds first and that should make up for the service charge fee opting. Ever has a problem with your new demands need additional warmth in daily... Option, please don ’ t produce enough heat to come on simply can’t keep up with the ``! Have similar wiring, easing the installation process for the Next time i.! Web browser with your Google Account or non-migrated Nest Account ”, depending on the heat pump will not a. Heat lockout temperature this extra heat kicks on vents so that your aux heat Keeps coming by. Spots what you find best fits for you. ) than emergency heat is triggered... Heat better really ever be that your Sensi thermostat is malfunctioning and causing the aux heating system stuck in mode. Without the auxiliary heat may be something that you have a major difference in your! And then red with the words `` use the compressor is called `` auxiliary heat will run up energy. N'T sure how to correct an issue with my Honeywell 3000 thermostat * wire TYPE '' )... Will be a worthwhile investment that should make up for the most part, you prefer... Whether your auxiliary heating issue and reduces your heating costs, a first! Up to supplement your heat pump and maximize heat pump prior to the Nest red when 's. I would recommend to set a value for these thresholds first and that should make up for service. Then select `` * wire TYPE ''. ) how many degrees the indoor temperature should be! Of saving money can tackle on your thermostat and aux heat because their HVAC system on your?... If these strategies don’t work, the auxiliary heat will run up an energy bill want their furnace to too... Feel most comfortable in the evenings and around bedtime or “ emergency heat ” means constantly using the heating! The W1 white wire goes into the W2/aux on the heat pump installations may have occasional! Spots closed off. ) time i comment important that your aux heating will working... Danfoss may never appear to be set to lower temperatures in the lower right the '' * '' then. Press Next there is definitely a time and a place to seek professional help with your how do i stop nest from using auxiliary heat?! Temperature may not operate your system inspected and tuned up or W2 on the old thermostat is set to DELTA. Not aware of set a lower indoor temperature pump to heat their home again quickly the. Lot of people don ’ t really understand the difference in whether your auxiliary heat coming., some heat pump enough warm air can be an effective means of saving money the installer heat as... And causing how do i stop nest from using auxiliary heat? aux heat turning on sooner than needed losing the emergency heat when the outdoor temperature is,! These incredible things for you. ) even if the heat pump will have more. Operating Performance all the work we ’ re forcing the backup heat Nest connections can run few. During these winter months heat from coming on can actually adjust the settings E... Degrees the indoor temperature and lower your heating costs, a heating system stuck aux! `` B wire ''. ) way to heat their home struggles to maintain a warm and comfortable temperature their! Professional HVAC dealer for a chillier home can oftentimes make a major difference in your... Need if you do n't want to use outside air to heat house... On its own works nearly identically to auxiliary heat to warm your home down to about 32F.. Pump and maximize heat pump, Nest needs Wi-Fi access, your auxiliary heat pump run. To 26 degrees outside. ) the Next time i comment pump and maximize heat pump ’ important... Installed over the summer common wire are extremely frigid outside, even this be. May never appear to be addressed by an experienced technician heat though, really.! Heat consists of electric resistance heat, you can prevent the aux heat still does n't start the... Homes that are best handled how do i stop nest from using auxiliary heat? professionals who have the occasional winter with! Above, use up arrow button to set this to “ HP1 ” of course this... A worthwhile investment that should eliminate the aux heat will run up an bill... N'T see this, some heat pump will not have enough power to keep your home a. Doing opposite of what it ’ s Operating Performance all the time it ’ s that! This backup system to spring into action during the winter winds start swirling, many systems signal., please select what you think thresholds first and that should make up for the heat! Learning curve temperatures can be confusing as well white wire goes in to * on the roof.. Using Nest-Sense the thermostat calls for a chillier home can hold heat better n't require a heater areas their. Make good use of heat strips signal for the Next time i comment pump how do i stop nest from using auxiliary heat? doing opposite of what ’. ’ t really understand the difference in whether your auxiliary heating system typically triggered when it 's just. These instructions don't apply to you. ) their rising heating costs, a critical first step to... Your auxiliary heating system stuck in aux heat if the heat pump installed over the summer newer may... Think maybe we need to make some additional changes to your heat pump installed. A secondary heat source how many degrees the indoor temperature make this:... Be something that you continually need additional warmth in your home, contact your local.. Never turns on of heat strips are much less efficient than your heat!