heat pump and aux heat run simultaneously

Before you call for service, make sure the heat pump isn’t accidentally set to a/c mode, and that the set temperature is correctly set at the thermostat. 3. They also support several stages of heating and cooling and can run the heat pump and auxiliary heat simultaneously to maximize comfort and reduce overall energy costs. This is because your outdoor heat pump will have a more difficult time creating enough warm air to heat your home. The ecobee asked this cause it assumes you have aux heat, is it electric? As long as the HP is producing some heat, it's more efficient to use the HP for whatever Btu's you can garner and allow the aux heat to be just that, auxiliary rather than primary. No-frills heat pump systems without the auxiliary heat capability sometimes make that feature an add-later option. Question. Components – Coils, Heaters, Motors, etc. 0. Press J to jump to the feed. The system is designed so that both can operate simultaneously. Question. In a package system the heat pump may run simultaneously with the AUX heat. I have a Lennox unit and my ecobee4 asked me if I wanted to allow the heat pump and auxiliary to run simultaneously? Ask Our Pros-Owner Assistance - NO DIY advice will be given. This is the heat you get when the compressor runs. If your heat pump is constantly running, there are likely three main causes: Unusually cold weather: Heat pumps are designed to work much more gradually than a furnace. AUX heat mode is normal when: The temperature outside is below freezing. That will consume more energy and put out less heat, potentially leading to a much higher utility bill. Participate in over 40 different forums and search/browse from nearly 3 million posts. So in cold temperatures, the heat pump runs non stop to maximize your cheap heat but your home may remain a degree or two below your thermostat … It’s possible that, if the weather is especially cold, your heat pump could run near-constantly without there being an issue. Was that right? However, when the outside temperature is 32° F or below, your auxiliary heat will usually turn on automatically. The auxiliary heat pump should run more often when the temperatures outside dip below freezing. You might notice your heat pump runs constantly in cold weather. Compared to heat from the heat pump (COP 2.0 or 2.5) the auxiliary heat (COP 1.0) is quite expensive. As we mentioned above, heat pumps absorb heat from the outdoor air and then move that heat indoors. Posted by 2 years ago. Allow heat pump and auxiliary to run simultaneously? 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. Scenario 1 – Cool Air Blowing from Registers. Having both heat sources running is not a bad thing - it’s for those really cold days where it knows your primary heating source won’t cut it so it needs supplemental heat. This is set at a default 35F (1.7C), so the heatpump will not be used when the weather outside is below 35 degrees Fahrenheit and only aux heat will be used in this case. Electricity is inherently less energy efficient than running the HP. 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Difference Between Auxiliary Heat and Emergency Heat. There … NO HEAT – The space temperature drops more than 3 degrees below the thermostat's heating setpoint.. COP: COP or Co-efficient Of Performance is a way of describing a heat pump's efficiency. This can be done by going to MENU > SETTINGS > INSTALLATION SETTINGS > THRESHOLDS > COMPRESSOR MIN OUTDOOR TEMP. Press question mark to learn the rest of the keyboard shortcuts. I have a Lennox unit and my ecobee4 asked me if I wanted to allow the heat pump and auxiliary to run simultaneously? This applies to a heat pump with electric back up heat. To start, the job of a heat pump is to take air from the outside your house, warm it and then blow it throughout the different parts of your home. Make sure that your thermostat is properly paired with your heat pump. I chose disable because it sounds safer. The reason for this is that a heat pump does a very good job of maintaining temperature, but is very poor at recovering temperature. Auxiliary heat is less energy-efficient than your heat pump, and it is meant to only run for short periods of time when temperatures drop. Auxiliary heat kicks on when your heat pump can’t produce enough heat to warm your home by itself. They will both be running when the need for auxiliary heat is there. First off, AUX heat refers to your heat pump’s auxiliary (backup) heat source. Yes... we are 20 years old. Well if you don’t have gas then what is your auxiliary heat? Homeowners who notice their auxiliary heat rise as the temperatures drop may not have a … Heat pump and heat strips on simultaneously? Your thermostat is calling for a high temperature increase (2–4°F) The heat pump is in defrost mode. A heat pump is usually powered by electricity, although there are heat pumps that run on natural gas, propane, or even solar or geothermal heated water but those are not found in residential use. What this means, unfortunately, is that it’s more expensive than the conventional heat provided by a heat pump. It’s normal for your heat pump to switch to AUX heat when…...The temperature outside is below 35° Usually, once outdoor temperatures fall below 35°, a heat pump will struggle to keep your home warm and will automatically switch to AUX heat. Knowing the difference between your heat pump’s auxiliary heat and emergency heat will help address the question from above. The same goes for warmer climates. 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. In this setting, the heat pump will lock out before the fossil fuel auxiliary heat comes on; eliminating the need for a dual fuel kit. Close. 1In heat pump mode, this system setting is also the auxiliary heat setting. The #1 question asked by NEW MEMBERS. Post photos, respond to polls and access other special features. Meanwhile the heat pump has been running non-stop throughout this time to maximize the cheap heat. Heat pump running constantly in winter. That's why it is called auxiliary heat it supplements the primary heat. Auxiliary heat can handle more extreme temperatures since it uses electric heat strips. If YOU want change, YOU have to first change. Some heat pumps also have auxiliary heat, an additional stage of heating that is typically used when the heat pump compressor can’t keep up with cold weather conditions. Most heat pump thermostats bring on the back up heat when the temperature difference between the room and that thermostat setting is 3 degrees or more. If you are looking for peace-of-mind, be sure your installation technician provides a limited warranty for their work and is qualified, experienced and recommended by a trusted source. 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