My teenage kids seem to think nothing of turning the heat up 15 degrees when they are cold, even though I have explained to them not to do this. I own a heat pump too with electric heat backup. We are using the Carrier programmable thermostat (66 at night, 70 in morning, 66 when we leave, 70 in the evening). The Heat Pump cannot handle this temp. AUX heat turns on to keep you warm. Do the following: 1 Be sure the thermostat is set to the proper setting (“Heat” if you’re calling for heat) and the temperature you want the room to be. [2] Once it gets close to the actual setpoint, the aux heat de-energizes and the heat pump mode of the system remains operating to generate heat and will shut off if the temperature is satisfied. For instance the other day….. The thermostat appears to be working fine. The auxiliary water pump is a consistent flowing device that circulates warm coolant into the heater core – regardless of how fast your engine is running. Auxiliary (AUX) heat is a second source of heat that comes with some heat pump systems. Because of this fact, if you set a temperature on the thermostat control (if your car has one), it should remain solid. “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. Electric heat strip - This electric heat strip is auxiliary heating (or “aux heat” as it shows up on your thermostat). Remember the primary condition; if your heat pump is compatible with aux heat, then only the selection should be like this. heat off until your areas balance point temp. is reached. You might be wondering, if your heat pump uses these auxiliary heat strips regardless, why is the emergency heat setting there at all? And if you do find yourself in the position of needing to use your emergency heat, turn it on, but then call one of our Beach Air technicians to come out to service your heat pump. Heat pump not heating. The auxiliary heat (electric resistance heat, or back-up heat) is minimized since it is more expensive. It is really too cold for a heat pump. The thermostat does not show that it's on, it's not commanding it to turn on. The settings you chose are correct for the backup / aux. Emergency Heat is typically triggered when it is 35°F and below outside. Try setting the temperature 2 to 4 degrees above room temperature. Budget-Friendly. Here’s how it works. It is so cold. When your home drops below or rises above a certain set temperature, it triggers the heating or air conditioning to heat or cool your house. After several minutes the auxiliary heat kicks in even when temps are moderate 30 degrees and above. 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. Once the ice has been sufficiently melted, your heat pump will resume normal operation and your auxiliary heat will turn off. Make sure the outdoor area has a fence that will keep the male dog from venturing out of your yard. To prevent this, the auxiliary heat turns on and heats the air coming out of the vents. When the Aux Heat kicks in, my heat bill doubles. That is why both the Heat Pump and the Aux. This is usually around 30-32 degrees. No, do not cover your heat pump in winter! If you find that you continually need additional warmth in your home, contact your local, licensed professional HVAC dealer for a consultation. I bumped the thermostat up to 68 and the Aux heat kicked in. I know if I bump the heat up one or two degrees at a time, that Aux Heat will not come on. It refuses to turn off at all, no matter what setting is on the thermostat. Don't want to use the aux heat though, really ever. My heat comes on normally with the outdoor compressor activating. So, it is mandatory to select a thermostat that supports heat pumps with aux heat. heat coming on by bumping up temp setting 1 degree on any kind of heatpump. The reason for this is if I do not, and the outside temperature is in the 20's or teens, my heat pump will run and run and run. Do I have to cover my heat pump in the winter? Finding out why your Honeywell thermostat isn't working is key to solving the problem. The electric auxiliary heater in the air processor of my heat pump system is stuck on. The part that gets me worse is that the aux heat comes on to even keep it a 70. The cheap builders at my new home, put a gas furnace in for the first floor (zone 1) , and a heat pump for the second in third floor (zone 2). Heater has fluctuating heat. I would prefer that my Aux Heat never comes on. Your first instinct might be to replace the thermostat, the water pump or the heater core, but if the vehicle is equipped with an auxiliary coolant pump, you will need to dig a little bit deeper with your diagnostic process. Whether you have a gas or oil furnace or a heat pump, filters need to be routinely cleaned or replaced. If the auxiliary coolant pump is inoperative, the customer might notice reduced heater performance at low speeds and at idle. If you see steam coming out of your outdoor coil that is a normal operating procedure for a heat pump system, so don't be alarmed. Do not switch to emergency heat when the outdoor temperatures dip below 35ºF––your auxiliary heat will automatically step up to supplement your heat pump. If it does by some chance get the room temperature up to what is on the thermostat it will remain off for maybe 1 minute then kick back on. It kicks on when the temps are below 30 degrees or the temp is … Do not use the emergency heat setting. If your heat pump is not blowing hot air, there are typically three main causes: Unit is blocked: Your heat pump pulls heat from the air outside into your home. Can you disconnect the Aux Heat wire? No-frills heat pump systems without the auxiliary heat capability sometimes make that feature an add-later option. So the Aux. I’ve noticed that aux heat is kicking in more than I think it should, given the temperatures. That's right man, you can put your worries to death with a gas furnace, and it doesn't matter how cold it gets, the furnace keeps heating. I thought about setting the t-stat to 1H/1C heat pump (no aux heat) but the aux heat will still come … Using Auxiliary Heat with a Nest Thermostat If you have a central HVAC (heating / ventilation / air conditioning) system called a "heat pump", and live in an area where the temperature in the winter goes below about 50°F (or 10°C) then you probably have something called "emergency heat" or "auxiliary heat". heat is on. If your heat pump doesn’t go on at all, there is a problem with the thermostat or the unit receiving power. No aux heat. The auxiliary heat will kick on if the heat pump needs additional heating capacity to meet your set temperature. 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. Which is 1.5 to 2 degrees lower than thermostat set point - the electric heat or auxiliary heat would then come on to make up the temperature difference. You definitely should not have aux. After completing the shortlist of thermostat following the above options, you are almost at the end of the selection process. That is very time consuming. If you do not have many available rooms or are tight on space, you can keep the female dog indoors in one room and have the male dog live outside until the female’s heat is over. To keep her calm (and prevent her from getting pregnant), you need to keep her away from all male cats. Max Savings This is the setting you need if you want to minimize the use of AUX heat but without turning it off completely. If your Ecobee was recently installed, it’s possible that the settings haven’t been changed from the factory pre-sets. Moving heat- In heat mode, your heat pump is like an air conditioner working in reverse to pull heat from the outside to inside your home (the opposite of how it works in cooling mode). on its own. heat is kicking in, which is normal. Below freezing, your heat pump simply can’t draw enough heat from the cold air outside and will kick on its auxiliary heat mode to generate heat for your home. 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. Most likely a low charge of refrigerant due to a leak. After some research here it looks like the 4 degree difference is making the aux heat come on. Don't panic if you see frost on your outside equipment's coil. ANSWER: Clean or replace your filters. This might need to be confirmed by others, but the emergency/auxiliary heat is a subsystem of the heat pump that does not need to be turned on at all. Is there a way to stop the auxillary heat from coming on during the defrost cycle and I would rather have the heat pump run longer and not use the auxillary heat unless it is neccessary. Thermostat is working correctly, wondering what component in the compressor unit is controlling the activation of the auxiliary heat. heat. But if your Honeywell thermostat isn't maintaining its heat setting, it won't properly heat your home. ANSWER: Your thermostat may not be calibrated properly or set too low. 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). We had a new Trane XR15 heat pump installed three months ago. If you notice that your auxiliary heat seems to be coming on too frequently or you get an alert that says “auxiliary heat running too long,” there may be a simple fix that could save you a service call. The end of the video we mentioned above also does a great job detailing how this works. Once the ice on the heat pump has mostly melted, the heat pump goes back to normal and AUX heat turns off. So, before you call a professional to diagnose a problem, check the outdoor temperature. 2. Since the aux heat seems to be working but the outside unit is not defrosting, it appears the heat pump has a problem. The auxiliary heat is staying on about 80-90% of the time. 7. The aux (or emergency heat) should come on when the outside unit needs defrosting. Make sure your thermostat is set to heat. The inside of the house was already 64 degrees. 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 -- … I'm thinking I can just disconnect (or better yet, install a SPST micro switch in line) with the W wire, which from what I've read controls the aux heat. Types of AUX heat (and why it matters) Heat pumps have 2 forms of AUX heat: Electric resistance (default) Gas furnace; The electric resistance option is like the electric coils you see inside your toaster. I do turn my heat pump over to Emergency from time to time. Bottom line: Don't panic if you have a heat pump and if cold air blows out of your duct work for a little while on and off while you run your heat at home. If the airflow to your unit is blocked by snow, ice, leaves or another type of debris, this can make it hard for the heat pump to do its job. Bringing your house up to temperature slowly will ensure that your heat pump is able to draw the necessary heat from the outside air instead of using the heat strips. Heat pumps are the main source of heat most of the time, but they aren't efficient when it's very cold outside. Does your outdoor unit have a outdoor stat that keeps aux. Do not allow her outside at all, and close all windows and lock all doors, including pet flaps. Heat Pump Does Not Run. When she's in heat, your cat will grow even more excitable in the presence of males. A Heat Pump System is really not good for a climate like the one you are in. I would recommend to set a value for these thresholds first and that should eliminate the aux heat turning on sooner than needed. I don't care how long it takes to heat up, and really if I can get it to the mid/upper 50's even, that makes a big difference. 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