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. You may find that this is slightly uncomfortable, but you can make up for it by wearing more layers and snuggling up with a cozy blanket. Although a heat pump provides both heating and cooling to your home, there is a simple way to determine if you have a heat pump by testing the unit in heating mode. When there's not enough heat in the outside air to meet the demand of the thermostat setting, an electric heater supplements the outdoor air to warm the home. You can run a few extra loads of laundry to take advantage of the heat from the dryer. If you can’t find your phone you can always make the same changes by using your thermostat. It could be that the outside temperature is too low at certain times. One of the simplest things you can do to keep your Honeywell thermostat from switching to auxiliary heat is to lower the temperature in your home. Shut off your Heat Pump if you have a Gas Furnace for the Back Up Heat. Limiting the use of auxiliary heat can be an effective means of saving money. • Circulating Fan • Press the “Menu” button on the thermostat and press the “Next” button until you reach the “Fn” screen. I had a Honeywell IAQ at my last house with dual fuel but an air source HP. Add a few layers to your outfit or sleep with an extra blanket to keep your furnace from working so hard. By bumping your thermostat up three degrees, the auxiliary heat must kick on to catch up with your new demands. Emergency Heat is typically triggered when it is 35°F and below outside. Finally, if the outside temperature is too low, you will have to implement other methods to solve this problem. I understand why Waterfurnace does it that way. As is the case with thermostats, it has two sources of heat, one main and the other auxiliary. Install the best insulation so that your home can hold heat better. 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. Auixiliary Heat will turn on automatically when heat can no longer efficiently transfer heat from the outside air to heat pump. If your aux heat is engaged and then the call for heat is immediately cancelled, the aux heat will continue running for this set value (5 minutes) before turning off. select the “Aux” position. Homeowners that have what has been called a hybrid heating system (a heat pump with a gas furnace back up) should operate only with the gas furnace for the winter if gas prices are low. Pay close attention to when and how often your thermostat reads with the auxiliary setting. Heating To select heating, press the red HEAT button. Another reason you may see the auxiliary/emergency heat come on is … Allison, understanding how manage a heat pump thermostat is indeed an important part of realizing the benefits. If that does not turn outdoor off, we may have a stuck contactor in the outdoor unit. Remove the screws holding the fan compartment door closed. The furnace is wired with compressor and control circuit to one of these aux banks so turning their breakers off will also turn the compressor/controller off. As the temperature drops two to three degrees below the set temperature, many systems will signal for the auxiliary heat to come on. It has taken 2 hours to move up 3 degrees on Aux heat Also, the auxiliary heating will be switched off for a longer period. If your HVAC contractor gave you a "warm climate" thermostat, or failed to add a jumper between the E and AUX terminals, you'll have to flip a manual switch to get the auxiliary heat to turn on. In particular, some indirect solutions are very easy to implement by anyone. OUTSIDE: 55 _ _ FAN:AUTO Heating is confirmed when the red LED adja- 71 ° cent to the red HEAT button is lit. 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. HouseMachinery.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. lot of them will turn the Aux on when the heat pump cant keep up and the tstat drops like 1o then the AUX will turn on. While you cannot directly turn off the auxiliary heat, you should not over-utilize it either. When temperatures are below 32 degrees the gas furnace would operate. Sometimes, you may notice that the aux heat comes on every time the furnace kicks on. Save my name, email, and website in this browser for the next time I comment. Go to Settings Emergency Heat . Some systems installed in homes have auxiliary heating. OUTSIDE: 55 _ _ FAN:AUTO Heating is confirmed when the red LED adja- 71 ° cent to the red HEAT button is lit. 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. This way you don’t have to spend money on too much energy. Meanwhile the heat pump has been running non-stop throughout this time to … Add a few layers to your outfit or sleep with an extra blanket to keep your furnace from working so hard. The outdoor unit will be off in emergency heat mode - that is, with the stat turned to emergency heat, not regular heat with aux heat on. Lift the door up and pull out at the bottom. I frequently set the Honeywell TH8000 from 58 to 61 degrees at random times and to keep the aux heat from kicking in I have to setup the thermostat up 1 degree at a time. 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