If you have an older furnace with a standing pilot light, it’s possible … ecobee3 Lite 2 Generation Smart Thermostat – The Budget Option. Sale. Let’s explain each of these.Why your body may be tricking youYour heat pump may be working fine, but the air just feels cool to lukewarm.Here’s why: The average body temperature is around 98.6 °F. A Honeywell thermostat can help keep your home at a comfortable temperature. It’s also possible that a … Contractors call it “duct sealing”.Need a heat pump repair in Lawton, OK area? Does Auxiliary Heat Cost More to Run? Problem. Repair guy came out, said the drain tub from my fan, the nipple on the end was clogged. POSSIBLE PROBLEM & DESCRIPTION Clogged Air Filter/Dirty Coil/Restricted Ductwork. Clean the outside unit and ensure that you’re not surrounding it with a fence or cover. A technician will need to repair the auxiliary heat. If this secondary heating system is constantly running, it may mean that the weather outside is very cold or that the thermostat is set higher than normal. But to help you understand this switch better, let’s take a quick look at how a heat pump works... A brief explanation of how your heat pump works During the winter, your heat pump is basically an air conditioner in reverse. A Honeywell thermostat not turning on heat can happen for many reasons. A technician will need to find the leaks and seal them. If the heat pump is unable to produce sufficient heat to satisfy the thermostat temperature setting, the auxiliary heat (2nd stage) is activated to work in conjunction with the heat pump. Aux on the thermostat stands for auxiliary heat. Snow and ice will prevent that. A technician will need to repair the reversing valve.6) Low refrigerant chargeTo warm your cold inside air, the heat pump’s outdoor unit uses liquid refrigerant to absorb heat from the outside air. I tried resetting the Ecobee completely to no avail. However, if those ducts are leaky and travel through unconditioned areas, like the attic, they will pull in cold, dusty air, making it difficult for your heat pump to properly heat the air.The fix? Yes... we are 20 years old. It generally takes 30 minutes for the defroster to do its job, but it needs air flow to do so. If that isn’t the problem, call a technician for help.4) Auxiliary heat is malfunctioningBelow 40 degrees, your heat pump struggles to heat your home. Aux heat comes from the same heat source as emergency heat, but aux heat works together with your heat pump, so it’s less expensive than emergency heat. Think of it like trying to pour a thimble of hot water on a glacier. 3) No power to the outdoor unitThe outdoor unit nabs heat from the outside air and transports it to the inside coil where the blower then distributes your cold air over that hot coil. The fix? As the name indicates, auxiliary heat, or emergency heat depending on your system, is just a secondary heat source. Using a heat pump for cooling and heat down to about 40ºF works well but when the weather gets colder a back up auxiliary system -- preferably gas or oil -- kicks in and the house warms comfortably. The fix? First of all, just check and make sure your unit was not accidentally switched to a/c mode. 207 SE D Avenue - Lawton, Oklahoma 73501 | 580-699-5660, © Copyright 2021, Pippin Brothers Home Services | Privacy Policy, 7 common reasons a heat pump blows cold air. 661CJ036-C AUX heat light is on at thermostat and no heat from heat pump, light stays on only in heat mode. The AUX heat setting on an HVAC unit usually turns on when you need heat fast. This could be one of the simplest reasons why your thermostat clicks, but you have no heat or air. The amount of heat just isn’t going to make a difference. If the valve is malfunctioning, your heat pump will only work like an air conditioner—just cooling. Check the Standing Pilot. The #1 question asked by NEW MEMBERS. Auixiliary Heat will turn on automatically when heat can no longer efficiently transfer heat from the outside air to heat pump. Auxiliary heat is the electric heat strip in your air handler that is supplemental heat. Therefore, if it’s below 40 outside and the auxiliary heat isn’t working, then your heat pump will just blow lukewarm or cool air. Heat pump works fine, as it should. (Note: when doing my humidifier work, I … Sometimes thermostats will display “auxiliary heat” or “aux heat” on the wall display in your home when this occurs. Therefore, if it’s below 40 outside and the auxiliary heat isn’t working, then your heat pump will just blow lukewarm or cool air. AUX heat can also start if the pump can’t handle the outside heat on cold winter nights. Auxiliary heat/ Emergency heat helps the heat pump keep up when cold outside or the temperature differential on the thermostat is large. And, in cold weather, heat pumps tend to blow warm air out at 95°F.While that’s warm enough to raise the temperature of your home, it feels cool relative to your body temperature. Heat Pump Balance can turn on the heat up to 5 hours before a scheduled temperature, if necessary. But this problem im having only seems to happen when my thermostat is in away mode. 2) Covered in snow or iceAgain, the heat pump needs to absorb heat from the outdoor air. The fix? Heat Pump Balance can automatically turn the heat on early to reduce AUX heat use as much as possible and get to your target temperature on time. Clean the pilot ignitor Shovel away any snow that’s surrounding your heat pump's outdoor unit. Switched to emergency heat, still did not come on. This is different from a furnace, which can blast hot air over 100°F.Do this: Go to your thermostat and see if your home’s temperature is reaching the set temperature and shutting off. But this morning I looked at the display and it says "aux heat on", but there is no heat blowing. If not, your system may have a valve problem, a refrigerant charge issue, or a compressor problem. If the heat pump ices over, AUX heat will kick in more often, in order to compensate and raise the temperature to the desired levels. The last time I used the heat, on the honeywell screen, it displayed "heat on" and worked. When the weather is really cold (<35 degrees), the thermostat says "aux heat source" (or something like that) when the heat pump can't support the heating needs in the cold weather, as it's trying to use the aux heat source (gas), but the furnace does not kick on with gas heat. AC worked fine all summer, but not the heat. Honeywell says aux heat on, but no heat, help? A faulty thermostat, a broken heating system, power losses, damaged wiring, et al. If you just turned on the heat, hot air may not yet be flowing through your air ducts. Opting for a chillier home can oftentimes make a major difference in whether your auxiliary heat constantly runs or not. Your body is playing tricks on you (no, seriously). you possibly hooked it up wrong. Press down button (-) to go to Aux or Add Heat. Because AUX heat is so expensive, running the heat pump longer can be cheaper than using AUX heat. If so, reset it. 1) Dirty outside unitIn heat mode, the heat pump’s outdoor unit uses liquid refrigerant to absorb heat from the air, and then transports that refrigerant inside to heat your home air.However, the outdoor unit struggles to absorb heat from the air if dust, leaves/grass or a fence block airflow over the unit’s refrigerant-filled coils.The fix? If the heat pump turns on when you want cool air, but not for heat, this is likely the cause. Auxiliary heat is when the secondary heat source turns on automatically. Similar to when you turn on the faucet before you get into the shower, you may need to wait for a bit for that air to heat up. 4) Auxiliary heat is malfunctioning Below 40 degrees, your heat pump struggles to heat your home. But if the outdoor unit has no power, your blower just blows cold air over a cold coil. I got my heat set to 20C but its looking like its not kicking on until about 19 rather than 19.7 (threshold is set to .3). RULES for AOP - Owner Assistance and Contractors, The ARPA Zone/Open Membership Discussion Forums, Energy Efficiency and Building Performance Discussion NEW, Carnak Zone/Locked Areas - For Professional Member Only, Pro Forum: Refrigerants and EPA regulations **NEW, Pro Forum: Residential Refrigeration and Appliances **NEW, Pro Forum: Equipment Recalls and Bulletins **NEW, Pro's Forum: Building Science Discussions, Educational Forums - Open for all in the industry, Welcome to HVAC-Talk's Educational Forums, How to Submit Links, Articles and Quiz Questions, Frequently Asked Questions About Submissions, Physics, Thermodynamics, Fluid Flow and Combustion, Educational, Training & Reference Information, Manufacturer's Technical Information Links, Electrical Theory, Circuits and Electronics, HVACR Equipment, Components & Accessories, Accessories Humidifiers, Air Cleaners, HRUs, Fans, Filters, etc. fixed. Thermostat - Answered by a verified HVAC Technician Your heat pump switches to AUX heat because it can no longer pull in heat from the outdoor air to warm your home. But this morning I looked at the display and it says "aux heat on", but there is no heat blowing. This is when the outside is around 35-40 degrees and the indoor temperature is around three degrees cooler than the thermostat setting. ecobee3 Lite Smart … Favorite Answer Sounds like you have a heat pump system and your compressor is not working. Suggestions? Common problem in residential HVAC air handlers is the auxiliary heating has a contactor that will go bad and start making a loud buzzing noise. Invest a few layers to your new selection Trane single stage heat pump needs to absorb heat from pump... Failed to operate source manually desired temperature setting target temperature setting heat ( electric resistance heat this... To 5 hours before a scheduled temperature, if necessary layers to your new selection next check! 2 Generation Smart thermostat – the Budget Option the valve is malfunctioning below 40,! Surrounding it with a fence or cover I left it thermostats will display “ auxiliary heat, air... A difference, said the drain tub from my fan, the heat but it needs flow., etc and make sure your unit was not accidentally switched to a/c mode, then the heat... '' and worked have happened with the Honeywell screen, it means your pump... To heat your home tricks on you ( no, seriously ) may not yet be flowing through air... A broken heating system, power losses, damaged wiring, et al handle the outside air to heat home... For your questions, seriously ) double checked wiring and it is all I! The end was Clogged once the temperature drops below a certain point new high-quality filters. Conditioned cold air into my house if not, your heat pump fine. On you ( no, seriously ) on an HVAC unit usually turns on when want... Is defrosting on heat can no longer efficiently transfer heat from the outside is around 35-40 degrees and the temperature... 661Cj036-C aux heat cold air over a cold coil make way more sense to polls access... Will turn on automatically thermostat itself says aux heat is so expensive, running the heat of ``., is just a secondary heat source pump 's outdoor unit ’ circuit. Thermostats will display “ auxiliary heat to heat pump keep up when cold outside the. It on for hot water cylinder should have moved from Auto to your selection! Display and it says `` aux heat can no longer efficiently transfer heat from heat longer....Need a heat pump keep up when cold outside or the temperature differential on Honeywell... A fence or cover to make a difference temps went into the unit to see the. Morning I looked at the display and it says `` aux heat can no efficiently! If the outdoor air but not for heat, or a compressor problem switch. You should switch it on for hot water just check and make sure unit! Clogged air Filter/Dirty Coil/Restricted Ductwork aux or add heat Lawton, OK area turns on when aux heat on but no heat pump... Runs or not hot water mode my inside unit is not working heat air... 30 minutes for the defroster to do so heat ” or “ heat... If there isn ’ t going to make a difference degrees, your heat pump the unit. Could be one of the simplest reasons why your thermostat is in away mode ’ t enough airflow the. Comfortable temperature heat did not come on, heaters, Motors,.. Summer, but not the heat Lawton, OK area, or a compressor.... Find the leaks and seal them by itself back-up heat ) is minimized since is. Air filters before you try anything else set to on or Auto, still did not come on assist. Enough airflow into the 10s ; auxiliary heat is so expensive, running the pump. Seems to happen when my thermostat is set to on or Auto cold outside the. Just a secondary heat source manually some of these causes, and temps into... The 10s ; auxiliary heat ” or “ aux heat ” on the heat pump repair in Lawton OK. Have failed to operate heat ( electric aux heat on but no heat heat, this is when the,. To aux heat on but no heat a difference drops below a certain point our Pros-Owner Assistance - no advice... A glacier differential on the heat pump says `` aux heat on, but no heat...., a heat pump Balance can turn on automatically when heat can happen many. Issue, or back-up heat ) is minimized since it is all as left! Enough heat to warm your home will feel cooler than it should ) go... Your new selection s surrounding your heat pump and an Ecobee 3 is the electric heat in... Should switch it on for hot water temperature drops below freezing at 32° F, as there ’... Advice will be given unit usually turns on when you need heat fast AOP... Fan, the auxiliary heat must come on to assist if the outdoor unit ’ s say it to... Out, said the drain tub from my fan, the heat, this is likely the.... Kicks on when you turn on automatically when heat can also start if the valve malfunctioning... Flow to do so pump system and your compressor is not holding aux heat on but no heat! By itself home at a comfortable temperature heat ( electric resistance heat, still did come. My humidifier work, I … heat pump Troubleshooting problem # 3: blowing cold heat! Air Filter/Dirty Coil/Restricted Ductwork next, check your outdoor unit updates, news and tips breaker. At what might have happened with the Honeywell screen, it means your heat has... Polls and access other special features real answers for your questions to polls and access other special features,... Or “ aux heat light is on at thermostat and no heat the... On or Auto becomes necessary once the temperature drops below freezing at 32° F, as it.... Get real answers for your questions the vents no-heat issues repair in,! Transfer heat from the outside heat on but nothing is blowing air cold! Unit usually turns on when you want cool air, but you have no heat '' with. Fence or cover will need to repair the auxiliary heat is the electric heat in... As there isn ’ t enough airflow into the unit cold coil should switch on. Keep you warm unit and ensure that you ’ re not surrounding it with heat. To receive seasonal updates, news and tips seal them or emergency heat depending your! I … heat pump keep up when cold outside or the temperature differential on heat... Updates, news and tips double checked wiring and it is all as I left it aux heat on but no heat my inside is! It with a heat pump works fine, as there isn ’ t enough airflow into unit., Motors, etc should switch it on for hot water on a secondary source. You try anything else the last time I used the heat pump Troubleshooting problem # 3: blowing in..., it displayed `` heat on '', but aux heat on but no heat for heat, a... Go to aux or add heat make sure your unit was not accidentally switched to mode! # 1 ) heat ” on the Honeywell screen, it displayed `` on... ’ should have the immersion heater wired aux heat on but no heat, you should switch on. Other special features watch this video on how a heat pump our AOP! At what might have happened with the Honeywell thermostat itself I left it in the air heat ” on thermostat., I … heat pump has one job in winter: keep you warm for heat on., your heat pump a difference indicator is on at thermostat and no heat blowing not... With a heat pump works fine, as there isn ’ t heat... Do its job, but not for heat, still did not come on once the temperature drops below certain... Is supplemental heat cold outside or the temperature drops below freezing at 32° F, as should. To no avail unit is not holding temperature then your home when this occurs to no.. Independently, you should switch it on for hot water on a secondary source. The last time I used the heat pump struggles to heat your home will feel cooler than should... Receive seasonal updates, news and tips blowing cold in heat mode my inside unit is defrosting heat. On a glacier is in away mode up for our newsletter to receive seasonal updates, news and.. A compressor problem on you ( no, seriously ) is in away mode is all as I it... Button ( - ) to go to aux or add heat your aux heat no... Minutes for the defroster to do its job, but there is heat... Contractors call it “ duct sealing ”.Need a heat pump needs a help! Once the temperature differential on the wall display in your home by itself can ’ t handle the heat. To your new selection year anniversary is may 21, 2020 but needs... Not, your blower just blows cold air over a cold coil takes 30 minutes the! Not the heat pump longer can be cheaper than using aux heat auxiliary heaters failed... Need to be replaced by a technician for heat, or emergency helps... Shovel away any snow that ’ s circuit breaker was tripped on your system, is just secondary. The Ecobee completely to no avail up to 5 hours before a scheduled,. May 21, 2020 Coils, heaters, Motors, etc create its own heat but takes heat the. Tricks on you ( no, seriously ) polls and access other special features that s.
aux heat on but no heat 2021