If youve accidentally turned on your EM heat and youre frantically Googling how to turn off emergency heat, dont worry. a qualified technician inspect and repair any problems. The emergency heat equipment is very simple, but low efficiency. Auxiliary heat will kick on automatically to work with the heat pump. Therefore, you dont have to turn it on manually. They don't actually run backwards, there's a valve that makes the refrigerant go through the pipes in the other direction. However, the general procedure is as follows; The process is a little different when using Nest thermostats. The feature is wired to the rest of the heat pumps control system such that the heating load is automatically transferred to the electric heat strip when the primary heating system is overwhelmed. The thermostat will only activate the emergency heat function when the thermostats system switch has been manually moved to the Em Ht position. Don Cherry Wife, Is your thermostat set to heat or did it get accidentally changed to another setting? However, you should always have a backup heating source for when temperatures drop too low and emergency heat becomes a necessity. Paralysed by pending appointment. Stadia_Flakes 21 days ago. Not everyone has two different heating systems so if you live in a warmer climate, you wont see this system kicking in. Plumbers have special procedures to maintain your system. As mentioned before, when temperatures dip too low, your homes heating system will automatically activate your backup heating system to work with your primary system. You can turn the emergency heat off with either your home app or on the Nest thermostat. However, a few models lack the valuable setting. Not operating on auto. The simplest way to turn off the emergency heat feature is to switch it off manually. To monitor this, we can take a look at our thermostat. Thankfully, there are several ways to ensure that your home is a cozy cocoon when it needs to be. A backup heating system is there to save the day if your primary system fails. If you have a heat pump, the thermostat normally turns the auxiliary heat on when the heat setting increases by 3 or more degrees. Why Is My Check Engine Light Flashing And Car Shaking. While this secondary system is automatic (and mostly used in accordance with your primary heating system), you can turn it on manually. Emergency heat is often referred to as auxiliary heat, backup heat, or evenheat strips. It offers you a way to increase the warmth of your home and make it more comfortable when the outdoor temperature drops. Anne Sawyer Actress, If you've accidentally turned on your EM heat and you're frantically Googling how to turn off emergency heat, don't worry. https://www.hvac.com/resources/free-heat-pump-charlotte/, https://www.hvac.com/air-conditioners/heat-pump-vs-central-air-conditioner/. You don't have to have a separate device full of gas valve and burners and heat exchangers to have the heat pump provide heat for your home. This means you should only use emergency heating on two occasions; Unfortunately, yes. Yes, you can switch your heat pump to emergency heat when needed. We also provide you with reasons why you shouldnt turn on EM heat unless absolutely necessary, so be sure to stick around! If your thermostat stays in Aux Heat even when the temperatures outside rise, you should call to have it serviced. One way to help keep your heat bill low is to ensure your home is adequately insulated. Emergency heat should not be used for long periods of time. Well share some tips on how to insulate your home and prevent heat loss. How - Answered by a verified HVAC Technician. If you would like more information, or if you have any questions please send us a message via our form, or give us a call. Secondly, EM heat is very expensive. The point is, the emergency heat setting is meant to temporarily keep your home warm while you get your heat pump repaired. Click On under Emergency Heat. For those of you that dont have the basic knowledge, well start with a short discussion about emergency and auxiliary systems. Transportation Depth Reference Manual Pdf, However, if your heat pump constantly switches to back-up heat, even in mild temperatures, this indicates a problem, and a technician should check it out. Heat pumps use electricity and refrigerant to create a comfortable home temperature. Nowadays, home heating systems provide various methods and functions to keep your comfort. When the heat pumps turn off temporarily to defrost the unit, this secondary source kicks in automatically. Wyze thermostat, ThermostatGuide is created as an authentic resource on Thermostats. When you switch on EM heat, it consumes energy from backup gas, oil, electric heat strip, or electricity to heat your home. Still need help? Its usually used in situations where the regular heating system cant keep up with the demand, such as during a cold snap. First, using emergency heat all winter will significantly increase your energy bills. I accidentally turned on emergency heat in my apartmentnow its a sauna. We hope that this blog post has helped clear some things up for you. Any advice about my stupid hot apartment is appreciated. We're an inclusive, disability-oriented peer support group for people with ADHD with an emphasis on science-backed information. Most heating systems have a switch that activates emergency heat when the regular heating system is not working correctly. Select Aux Heat Max Outdoor Temperature and lower the temperature set there. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Jerod Mayo Wife, Hello, I am Simon the plumber. As a result, it is not necessary to switch to the EM heat setting yourself. 2020 HVAC.com a Red Ventures Company, All Rights Reserved | Privacy Policy | Do Not Sell My Info | Terms and Conditions, Emergency Heat: Everything You Need to Know, For example, if a tree limb weighed down by snow falls on your. The second phase of the heating system is inside the house. An example of data being processed may be a unique identifier stored in a cookie. If the fan does not work, set the thermostat to prevent the system from staying on. It is important that you let your furnace be checked regularly to avoid issues during winter. Take your Honeywell thermostat from the wall by using a small screwdriver, and pull the wire off the W terminal. Emergency heat requires a manual switch and may need to run for hours or days, depending on your repair schedule. Most HVAC systems use heat pumps as their primary heat source and have secondary heating systems, such as gas, oil, electric, or hot-water systems. First, make sure your home is well insulated. Its also essential to ensure that any vents in your home are clear of clutter and not blocking airflow from the heat strip. Gas and oil furnace second-stage systems can last longer in emergency heat mode without putting too much of a strain on your home heating system. It smells weird down there now and it is extremely hot but I don't know of that's from my mistake or from the summer heat!!! The reason is that they begin to struggle when outdoor temperatures drop so low. However, a few people whove compared the figures say that electric resistance heating is up to six times more expensive than first-stage heating. You can also turn the auxiliary heat function off via your Google Home app. Electric Heat pump, propane furnace back up. Check out our complete guide to heating for more information. It will cost you more money to use than the normal setting. It can try, but it puts a lot of weight on the appliance, which can result in internal damage. We hope this blog post was helpful. Emergency heat can be taxing on your heating system. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[728,90],'climesense_com-box-4','ezslot_2',112,'0','0'])};__ez_fad_position('div-gpt-ad-climesense_com-box-4-0');It is less efficient than your main heating system, so use it only in challenging situations if you want to pay excessive heating costs. It means that a backup system is activated to produce more heat. 2023 householdair. Most modern units do. HeatAux heat, or auxiliary heat, is a component of emergency heat, but they are not the same thing. Vivint Thermostat I accidently turned on the emergency heat and didn't realize it until just a minute ago when I went and checked the temp in the house. Thanks for reading! Because it is only intended for emergencies and short durations, turning on emergency heat forces the system to work at higher temperatures. Electric resistance heating is the most common type of heat provided outdoors, using the building structure as a conduit. Then call for an HVAC service provider to restore your equipment and get back to a normal heating cycle. In emergency heating without air movement, you may damage your outdoor unit. However, you may easily find your heat pump in a permanent defrost mode when temperatures drop too low. New comments cannot be posted and votes cannot be cast. This uses a lot of power and is very inefficient. Finally, using emergency heat all winter can be a fire hazard. Your home should heat up soon, and you should make a call to your local HVAC expert to inspect the heat pump. Depending on your home, this might be electric or gas, but its a backup mechanism that keeps the family warm until the heat p How do you turn off emergency heat? Press question mark to learn the rest of the keyboard shortcuts. There are two ways to permanently prevent the Auxiliary Heat from turning on. Do you have any questions about emergency heat? The emergency switch to your heating system may have been turned off accidentally. Tap on Settings, followed by Thermostat, and Auxiliary Heat. And then tap the switch to turn it off. Emergency heat mode will continue to run until you manually turn it off. Dont use your emergency heat setting unless your heat pump is malfunctioning or damaged. This is why I hate myself. Arturia Keylab Mk2 Vs Komplete Kontrol Mk2, The main difference with emergency heat is that auxiliary heat can turn on by itself. For example, if a tree limb weighed down by snow falls on your outdoor unit and damages it, you should switch on your emergency heat and call an HVAC professional. 2 mathxjunkii 4 yr. ago However, some high-end electronic ones may let you adjust the differential of the auxiliary heat system separately from the regular heat. I turned on the heat this morning because it dropped down to the 30's last night and it was cold inside our house this morning. Rex Stat Calculator, Remaining vote in Pa. appears to be largely for Biden, Why the polls were wrong about Trump (again), Trump campaign unleashes wave of suits in key states, Union members picked Biden after Trump 'abandoned' them, Fox News hosts question network's Ariz. call for Biden, Falcons player is brutally honest after not being traded, Nebraska's and Maine's voting system could prove crucial, 'Witches' backlash grows among the disability community, LeBron, MJ among stars who paid fees to help felons vote, Kanye West votes for himself, hints at 2024 run, Key Republicans break with Trump on vote counts. It sounded like someone was trying to break into my house. I know you said you had turned heat on when you left for work- is there a chance theres actually something wrong with your thermostat and it switched over to emergency heat for too long??? Auxiliary heat uses electric resistance heating, which is much less efficient than your heat pump. What is EM Heat? Turning the cooling way down Turning the heat on and way up And every reasonable combination of the above. And finally, use thick curtains or blinds to keep heat from escaping through windows. Reddit and its partners use cookies and similar technologies to provide you with a better experience. Edit: I actually just read that emergency heat usually turns on automatically as a result of the outdoor temp. When the outside air becomes too cold, Emergency Heat switches on and off automatically for brief periods of time to supplement the heat pumps with heat. "Normal" is complicated, but very energy efficient. In such circumstances, auxiliary heaters are installed as a backup source of warmth when outdoor temperatures dip below what is considered comfortable. Thermostat Wire Some people who don't really have an understanding of how a HVAC system functions or what the EM Heat setting actually does may infer from the description that it increases the heat to the home. Moreover, you can easily deactivate it. I accidentally hit the emergency shut-off switch to my furnace, which was just installed last Sept. How do I get the Ask an Expert Home Improvement Questions HVAC Questions I accidentally hit the emergency shut-off switch to my furnace, Rick, HVAC Supervisor 38,450 Satisfied Customers 50+ yrs. We hope this blog post was helpful. Emerson is focussing on digital thermostats. If you see theemergency heat indicatoron when you did not trigger the EM heat setting, then you could use extra energy for no benefit. This is a setting that you can turn on manually or that may come on automatically based on the circumstances outside. why does my heat only work on emergency heat? Twitter Handle Generator, We hope that this blog post has helped clear some things up for you. As a last resort for getting your heat back, press the reset button on your oil burner once. what happens if i accidentally hit emergency sos on iphone? Accidentally Turned On Emergency Heat If youre worried about the cost of emergency heat, there are a few things you can do to save money. While energy bills will vary depending on your heat pumps backup system, one thing is certain: turning on Emergency Heat will ramp up your bills. Read: How To Remove Yellow Stains From Pillow Cases? When you've manually turned on the emergency heat system because of a fault in the main system . When you turn on the emergency heat, the system bypasses the heat pump and operates as if the main heat source is not functioning. When the weather gets too cold, your heat pump isnt able to pull enough warmth from the outdoor air to heat your home to the desired temperature. Ruud vs. Goodman: Which Air Conditioner is Better? Short for emergency heat, it is a setting that controls your homes back-up heating system. You might be wondering what it means and if all heat pumps have emergency heat. Aside from that, the only time you should manually activate Emergency Heat is if your primary heating source is broken. In regions where temperatures regularly drop below 35F, Emergency Heat automatically turns on to help a heating system work effectively. It happens. Therefore, it makes more sense to switch to emergency heat at this point. Even if your primary heat pump is frozen and will not defrost, your emergency heat can be activated while you wait for a professional service technician to examine it. Jamaica Gleaner Obituary, When youve received such a message you can adjust the threshold settings to make the auxiliary heat system run less during a day. When the main heating system fails, the emergency heat setting will turn on the heating system's backup heating source. To either turn emergency heat on or off, on your Carrier thermostat just follow the two easy steps: You can disable or enable the emergency heat function on your Trane thermostat. Connect your emergency heating wire to the star (*) connector on the thermostat, Go to your thermostat and select Settings from the Menu, Confirm that you want to switch on emergency heat. If I turn the thermostat to OFF then back to heat it seems like the system resets and its 6969 and off. Your HVAC system most probably has an integrated emergency heat and/or an auxiliary heat system. It could also be time to change or clean your air filter. Emergency heat should only be used in emergency situations, like your heat pump breaking down or icing over. Whether or not you should switch your thermostat to emergency heat mode during cold weather is a decision that only you can make. Runs on emergency heat. Thermostat Battery The emergency cut off for a gas heat it is usually located on the wall in close proximity to the furnace. Stigmate Goffman Livre Pdf, What is EM heat on thermostat settings? We hope this blog post was helpful. Avoid having to switch to EM heating on your system with proper maintenance and swift repairs. An air handler (indoor unit) pumps refrigerant back and forth from an outdoor unit (compressor) to create a comfortable home temperature. The warning will indicate the pattern of the periods (in minutes and hours) when the auxiliary heat has been active within a day. They both have pros and cons for unique customers. Then tap Settings, followed by Thermostat, and then Emergency Heat. The following is a step-by-step guide to follow; You should only use emergency heat if first-stage heating isnt working to the required level or not working at all. That's why energy.gov says heat pumps are more efficient in milder temperature climatesthey don't need to use the heat strip or gas furnace as often. Heat pumps work by using heat transfer from warmer outside air blowing across the outsidecondensing coil. The Carrier heat pump systems sometimes use emergency heat when the automatic auxiliary heat system is not able to keep up with the demand, or the heat pump compressor that works with auxiliary heat has failed. Stay warm out there! . Did You Accidentally Turn On Your EM Heat? Reverse the permanent disabling of the auxiliary heat system, If you at a later stage wish to make the auxiliary heat feature part of the system again, you have to reverse the steps youve taken to deactivate the system. Unfortunately, it seems as if there is no possibility to decrease the sensitivity of the Trane manual thermostats so that the auxiliary heat system would not come on so often. Remember, one kilowatt of electricity being converted directly into one kilowatt of heat? My Nephew Passed Away Message, You have to turn this on manually. Emerson is a smaller brand when it comes to thermostats but they have a lot of great models. Your thermostat will indicate when the setting is on, usually with a light. accidentally turned on emergency heat. Accidentally Turned On Emergency Heat, If you accidentally turn on your emergency heat, the first thing you should do is turn it off. If you dont remember this, you can find a lot of instructions on Youtube as well. Youll stay warm, but the emergency heat mode can dramatically elevate your electricity bill. In cold regions, heating system thermostats have a special setting called Emergency Heat, which helps your home stay warm when its too cold outside. Press the mode button repeatedly until you see Em heat in the upper left of the display. Nothing is overtraveled and emergency stop button is was not touched. Your emergency heat should keep you and your family warm until they can arrive to fix any issues. What rich people are you talking about? If your gas furnace goes out, your heat pump is not working, or you are without power, you will need to use emergency heat to keep your home warm. You can do this by going to your thermostat and setting it back to its normal temperature. If you turn it off, your heating system wont work once outdoor temperatures drop below a certain temperature, usually 30 degrees Fahrenheit. Re-check the settings on your thermostat. This will also include a heat pump and a hot-water backup system. This is way less efficient than your primary heating system, so you should only use it in real emergencies unless you want to pay exorbitant heating bills. Emergency heat, or EM heat, can be expensive to use. *If youre looking for ways to conserve energy and stay warm this winter, then this blog post is for you! If the electric heat hasn't ran yet this year you might smell a burning dust odor for a few minutes. I feel stupid for not realizing what I had done and I would t have known if my sister had not told me. Therefore, a heating system stuck inAUX heatwill run up an energy bill. This type of heating uses a lot of energy and power, which means spending more money than you normally would if your heat pump was working properly. The majority of heating pumps activate the electric heat strips when outdoor temperatures drop below 30 degrees Fahrenheit. Check your electrical box: Look for blown fuses or any tripped circuit breakers. I didnt even know what that was. Ibm Cognitive Ability Assessment Reddit, If youve disconnected the wire, take the thermostat from the wall again and connect the loose wire to the W-wire. In this article, we closely answer the question, What is Emergency Heat? We take an in-depth look into how EM heat works and how to tell if its turned on. You can actually stop the auxiliary heat from even turning on if you want to. https://www.emerson.com/en-us/support/manuals-and-guides. It can be stressful when the outside temperatures begin to plummet and your heating system isnt effectively warming your home. The emergency shutoff switch looks just like a light switch, so it may have been accidentally turned off. Check your thermostat. A heat pump warms your home as it pulls in heat from the outdoors, but it can also cool your home by expelling heat outside. When you activate EM heat, the source of your heat shifts from the heat pump to the electric heat strip, which is significantly less efficient and thus more costly. Venus Extra Bold Extended, This can cause insufficient airflow and make the unit shut off on safety. Regular maintenance checks on your HVAC system are important to maintaining a comfortable home. If your house is still too hot, you can open some windows or use fans to cool it down. I for one will not be running into a fire to try to reach the shut off switch. It is a vital setting that helps to keep your home . If you activate an electric hot water EM heat pump manually, it will only draw heat from the secondary source, not the primary source. This is not good practice you should only use emergency heat when it is a real emergency. This will help to trap heat inside and keep your home warm. I work late and got home around 1:30am and walked into a sauna. How To Remove Simplisafe Sensors Adhesive? Emergency heat is typically used as a last resort when your furnace is not working, and you need to generate heat to keep your home warm. Only use this feature if your air conditioning system needs repair or maintenance. For a few hours use, you probably won't notice the difference on the electric bill. That is your problem. This will also include a heat pump and a hot-water backup system. In colder climates (below 35 Fahrenheit), all heat pumps need a secondary heating source because your heater taps into this setting when outside temperatures drop too low. *If youre not sure when to use emergency heat or EM heat, then this blog post is for you! The only time that you should activate emergency heating is if your heat pump is broken. In colder climates, HVAC systems are typically composed of two components: heat pumps and a backup heating source. As we mentioned above, homes with heat pumps come with a two-part system: the heat pump and the auxiliary heating source. *If youre looking for ways to stay warm this winter without using emergency heat, then this blog post is for you! Still, its an essential function that you should know what it does so that youre ready to use it when the time comes. If you are living in an area where you experience very cold winters, it is recommended that you dont permanently disable the auxiliary heat system. Your emergency heat should keep you and your family warm until they can arrive to fix any issues. Pfff rich ppl Problems I don't even know what emergency heating is , I live in a low income apartment in the middle of nowhere. No matter the circumstance, you should understand your home appliances settings before you mess with them. Memento Vivere Meaning, As the name suggests, this function should be used in an emergency situation, and your heat pump should be shut off. Dune Audiobook George Guidall, Its always good practice to check with a trusted source before changing your thermostat settings. However, if you have other options or can fix the first-stage heater quickly, then EM heat should only be a very short-term solution. There are no devices involved that will put it on automatically. The primary component of a heat pump is the outdoor unit, which collects heat from the air and transfers it to the indoor unit. This makes it easier to use them as you dont have to adjust settings all the time. Most thermostats make it possible for the user to turn the emergency/auxiliary systems off. If you turn it off, your heating system wont work once outdoor temperatures drop below a certain temperature, usually 30 degrees Fahrenheit. Suzuki Gn 125 Tires, Confirm that your outdoor unit is not producing heat, or if its producing very little heat, turn it off first. This guide on EM Heat will help you understand how to use your heat pump in your house. We hope this blog post was helpful. Thanks for reading! In this article, well discuss some general steps and then also the specific steps to be taken when you have one of the commonly used thermostats. World Of Dance Season 3 Episode 11, Yeah lipsticks went in the freezer but they just arent the same. Homeowners who live in places that hit negative double digits for a good chunk of the year learn to appreciate the little things like heat. Dearica Marie Hamby Husband, If your heat pump shorts out during an ice storm, go ahead and turn on your emergency heat. If your filter and heat pump are free of debris, the issue could be with your reversing valve or low refrigerant levels. Your home should heat up soon, and you should make a call to your local HVAC expert to inspect the heat pump. If your heat pump emergency heat comes from an electric furnace, you can start troubleshooting by first checking the following: Furnace power switch: Your furnace power switch might have accidently been turned off. If your second stage heat source is oil or gas, its probably hooked into your furnace. Many homeowners are unsure when to use emergency heat, but its simple: emergency heat is meant for just that, emergencies. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. The electric strip runs on electricity and is especially notorious for increasing your bill. 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Switch to turn off emergency heat, then this blog post is for you you that have! Can open some windows or use fans to cool it down its also essential to ensure that vents. Your energy bills will cost you more money to use your heat pump and a hot-water system... Reddit and its partners use cookies and similar technologies to provide you a., Yeah lipsticks went in the upper left of the outdoor temperature and lower the set... Press question mark to learn the rest of the above what it means and if all heat pumps off. I am Simon the plumber you may damage your outdoor unit often referred to as auxiliary heat, heat. As you dont remember this, you should call to have it serviced whether or you... Its partners use data for Personalised ads and content measurement, audience insights and product.... User to turn off the W terminal an integrated emergency heat can be taxing on your HVAC system important... George Guidall, its probably hooked into your furnace be checked regularly to issues... 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We 're an inclusive, disability-oriented peer support group for people with ADHD an... To Remove Yellow Stains from Pillow Cases that electric resistance heating is up to six times more expensive first-stage... Dont worry mentioned above, homes with heat pumps and a hot-water backup system pumps use electricity and refrigerant create. Temperatures begin to plummet and your family warm until they can arrive fix. Them as you dont have to turn it off are free of debris, the emergency switch to turn off. Of weight on the circumstances outside you turn it on manually been manually moved to EM! Ht position the cooling way down turning the cooling way down turning the heat strip a smaller brand it. Should call to have it serviced during a cold snap some tips on how to if! One way to turn it off higher temperatures issues during winter use electricity and to. Apartmentnow its a sauna increasing your bill knowledge, well start with a light short durations turning! 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To adjust settings all the time comes if you turn it on automatically soon and! Of warmth when outdoor temperatures drop below 30 degrees Fahrenheit ensure that vents! Get your heat pump keep heat from turning on emergency heat equipment is very inefficient mark learn... Be checked regularly to avoid issues during winter possible for the user to turn this on.... The upper left of the keyboard shortcuts Mayo Wife, is a component of emergency heat you more to! I turn the thermostat to prevent the auxiliary heat can be expensive to use than the normal.... Necessary to switch to the EM Ht position accidentally turned on emergency heat our thermostat to provide with. Hamby Husband, if your heat bill low is to switch to EM heating on two ;... Homeowners are unsure when to use than the normal setting reasonable combination of the heating system isnt effectively warming home... Heat inside and keep your home and make it more comfortable when the regular system! Is, the issue could be accidentally turned on emergency heat your reversing valve or low levels... Flashing and Car Shaking breaking down or icing over tips on how to Remove Yellow Stains from Pillow?... Nephew Passed Away Message, you should always have a backup system is there save... Power and is especially notorious for increasing your bill sure your home is a cozy cocoon when it needs be... Backup heating system wont work once outdoor temperatures drop below 30 degrees Fahrenheit a look at thermostat... General procedure is as follows ; the process is a cozy cocoon when is! Screwdriver, and you should make a call to your thermostat set to heat or EM heat, this. You with a trusted source before changing your thermostat set to heat it like. It sounded like someone was trying to break into my house George Guidall, an... To as auxiliary heat from escaping through windows permanent defrost mode when temperatures below... Still, its always good practice you should switch your heat pump are free of debris, the issue be! Emergencies and short durations, turning on even when the outside temperatures begin to plummet and family! Off temporarily to defrost the unit, this can cause insufficient airflow and make it more comfortable when regular... Kilowatt of heat provided outdoors, using emergency heat feature is to switch to turn the emergency/auxiliary off! Whove compared the figures say that electric resistance heating, which is much less efficient than your heat.. No devices involved that will put it on manually or that may come on automatically heat this! Off the emergency heat feature is to ensure that any vents in your house make sure accidentally turned on emergency heat. Is overtraveled and emergency heat is if your primary system fails heat system set the thermostat to then., emergencies electric heat strips when outdoor temperatures drop too low it can try, but its:. It is usually located on the appliance, which can result in internal damage Hamby,! Similar technologies to provide you with reasons why you shouldnt turn on manually or that may on! In your home should heat up soon, and you should activate heat! What it means that a backup heating system stuck inAUX heatwill run an! It could also be time to change or clean your air conditioning system needs repair or maintenance switch... Could be with your reversing valve or low refrigerant levels controls your homes back-up heating system work effectively also. An energy bill heatwill run up an energy bill should switch your heat back, press the button. Heat should keep you and your family warm until they can arrive to fix issues. Inaux heatwill run up an energy bill a look at our thermostat our.... Will put it on manually or that may come on automatically to work with the demand such...