what is auxiliary heat

The difference is quite simple. Auxiliary heat is a component of heat pump systems. Or when someone decides they are cold, and turns the thermostat up more than three degrees. This means, when the temperatures start to drop and your heat pump cannot produce enough hot air to warm your home the aux heat will turn on. Aire Serv is fully equipped to install and service all types of heat pumps along with all their components. Aux Ht or Auxiliary heat is the backup heat that turns on to help the compressor for first stage maintain your temperature setting. So, you’ll want to make sure you bundle up before you begin defrosting the ice off your unit. This is when the outside is around 35-40 degrees and the indoor temperature is around three degrees cooler than the thermostat setting. There are two main reasons as to why this may happen. Make sure that you only use the emergency heat feature as temporary solution and not a long-term solution. Why is this? My Honeywell Thermostat Says Wait: What to do Next? Is it too cold? Many people wonder about aux heat vs. emergency heat: Are they the same thing, or are there differences between the two? Auxiliary heat is when the secondary heat source turns on automatically. This will completely sidestep the heat pump and rely completely on the heat strips. However, when the outside temperature is 32° F or below, your auxiliary heat will usually turn on automatically. Since electric resistance heating is much less efficient than your heat pump, you only want it to be on when necessary. When your heat pump breaks down, or it just isn’t working the way it’s designed to, a homeowner can switch to emergency heat. Your thermostat determines when the auxiliary heat gets energized. Auxiliary Heat Your auxiliary heat, as just described, supplements your heat pump’s heat when it needs it. If your heat pump is running continuously using the heat strips during mild temperatures, be sure to call O’Brien Service Company. As a result, this inefficiency will lead to more expensive electricity bills. When the temperature inside your home drops a certain amount below the goal temperature (usually 1.5-2 degrees), your thermostat energizes auxiliary 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. Therefore, the heat strips turn and supply any extra heat that’s needed. Typically, your heat pump will energize the auxiliary heat strip inside your secondary heating source to help reach its set temperature more quickly. Learn about installing a generator at your homeLink opens in a new tab with help from our friends at Mr. Electric®Link opens in a new tab. Auxiliary heat is greatly helpful even when the heat pump malfunctions. Although it will cost a bit more. Save my name, email, and website in this browser for the next time I comment. © 2021 Dwyer Franchising, LLC All rights reserved. My Thermostat Is Not Reaching the Set Temperature: Diagnose the Problem. However, by turning your thermostat up slowly, you can avoid this. In other words, when the heat pump by itself is unable to meet the heating requirements, auxiliary heat automatically turns on. Heat pumps are the main source of heat most of the time, but they aren't efficient when it's very cold outside. During those cold winter months, it’s best if you keep your home at 68 degrees. Make sure that in the coldest months of the year you know how to use your heat pump thermostat in the most efficient way possible. This is because heat pumps must work extra hard to get your home up to its set temperature (and to maintain that temperature). Emergency heat is the same thing as auxiliary heat. Auxiliary Heat. Auxiliary heat means your heat pump is using electric resistance heating because outside temperatures are below 35°. The aux heat indicator on your thermostat lets you know when this is happening. However, if you still find yourself shivering in your home, something is almost certainly wrong with your system. Like Aire Serv, Mr. ElectricLink opens in a new tab is a member of the Neighborly®Link opens in a new tabfamily of home service brands. During freezing weather, the outdoor heat pump will be too cold to quickly heat your home, which is when the auxiliary heating system would kick on. It starts working when there is a sudden temperature drop of more than two degrees. Other auxiliary heat sources such as a fireplace can wreak havoc with a heat pump operation especially if the fireplace is in a line of sight to the thermostat. When ice accumulates on the outside of your water heater, you will need to unfreeze it. However, when you keep the inside temperature of your home at a lower degree, your heat pump won’t have to work so hard and the chances of having to use the heat strips will decrease by a lot. Auxiliary heat is a great way to heat your home in the winter. AUX heat can also start if the pump can’t handle the outside heat on cold winter nights. To find out for sure, just get in touch with Aspire Heating & Cooling. Call a professional if your thermostat indicates aux heat is running even after outside temperatures reach 40 degrees or higher. If the task is too much for the heat pump’s normal function, it may rely on the heat strips as an auxiliary heating source. 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. Turning your thermostat to “heat” came with an unexpected “AUX” function appearing. We know you have questions, so below we’ll go into more detail about: Emergency Heat is typically triggered when it is 35°F and below outside. Basically, if your heat pump is struggling to maintain its goal temperature, your aux heat will turn on and give your heat pump a boost. It does this by only jumping in when the heat pump can’t handle things on its own. Auxiliary heat is used when the balance point can no longer efficiently transfer heat from the outside air (usually about 35 degrees Fahrenheit). Emergency Heat – This is when you turn on the secondary heat source. When you go to turn up the thermostat, make sure that you only turn it up 2 degrees at a time. Typically, your heat pump will energize the auxiliary heat strip inside your secondary heating source to help reach its set temperature more quickly. Michael Joseph has more than 20 years of hands-on experience as an avid home handyman and had 10 years in the construction industry, specifically in the field of HVAC. In fact, many people get auxiliary heat confused with emergency heat when they are actually quite different. Aux heat will turn off once your home reaches the thermostat set point. Tap to Call (303) 436-2525 Plumbline Services & COVID-19 If you’re wondering what the auxiliary heat feature on your thermostat means, it’s basically a supplement heat source. 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. A thermostat senses this and automatically turns on electric heat strips to provide the additional heat needed. Auxiliary Heat – This is the secondary heat source that turns on automatically. In an emergency, it’s convenient to have a secondary source of electricity. First off, AUX heat refers to your heat pump’s auxiliary (backup) heat source. 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. Auxiliary heat (aux heat) is an additional heating component to a central heating system using an air-source heat pump. Considering a generator? Tips for using your heat pump thermostat in winter: Is your home too hot? 4) Auxiliary heat is malfunctioning Below 40 degrees, your heat pump struggles to heat your home. Both forms of heat are the exact same heat … If the walls of your home are too cold and your heat pump is not powerful enough, AUX heat may be needed in order to make up the degrees. However, when the outside temperature is 32° F or below, your auxiliary heat will usually turn on … It should not cause you any worry or concern. Heat pump systems have two units - one outside the home and one inside the home. The heat in this case is provided by an alternate source such as the gas furnace or electric heat. If you turn it up quickly, your heat pump will do whatever is necessary to get your home up to that temperature as fast as it can. The electric strips that come with your heat pump are engaged when the outside temperature is extremely cold. How to minimize the use of auxiliary heat with a heat-pump on your ecobee thermostat Question: We have a heat pump and recently installed an ecobee thermostat. The auxiliary heat is an important function of your A/C system. “Aux” is short for auxiliary heat. Important Notes on Nest Thermostats. Every degree above 68 degrees can boost your electrical bill by a whopping 4%. Auxiliary heating refers to a secondary heating source for various heat pumps or machines that are used during winter time. If you’ve been on vacation, you’ve probably kept the inside temperature of your home much cooler than normal. Read on to learn how “aux heat” differs from “emergency heat” and more about this oft seen, but lesser known heat pump feature. Emergency Heat: Are They The Same Thing? This will save you money in the long run. It’s important for homeowners to fully understand what the term auxiliary means. Like just stated, when your auxiliary heat function is running, it’s going to use up much more energy than your heat pump. The AUX Heat indicator lets you know that the more expensive type of radiant heat has been engaged on your heat pump. My Honeywell Thermostat is Not Turning On. The “aux” means auxiliary as the heat strips are designed to be a second stage of heat Demand The second most common time that the heat strips will come on is when there is a “demand” for them. Have you ever seen the words “aux heat” on your digital thermostat and wondered what exactly it means? What does it mean? Learn More About Aire Serv Indoor Air Quality Services, Learn about installing a generator at your home. The “ AUX Heat ” mode is usually an indicator that it’s freezing outside, and your is heat pump is using a secondary backup heat source – your auxiliary heat—to keep your home at 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. To do this, some heat pumps will rely on the use of heat strips. This happens sometimes when it’s colder than average and on the verge of extreme temperature drop like Nashville experienced this last spring. Here are some tips to helping prevent the use of the auxiliary heat function. When my heat pump turns on the temperature drops about 4 degrees before it starts to warm up. This is a sign there may be an issue with your heating system, and you could need a heating system repair. I guess the only difference is that AUX is an ‘indicator’ on your thermostat that you are running the heat strips when the switch is set to HEAT. It’s important to note that this method will result in cold air coming out of all your vents. On the other hand, your emergency heat takes over, or replaces, your heat pump’s heat. Otherwise, your auxiliary heat is working when it shouldn’t be and driving up the cost of your heating bill. During this time both your Auxiliary heat … Under normal conditions, heat pumps will run … The short answer is that auxiliary heat and emergency heat refer to the same thing, and are somewhat interchangeable. No-frills heat pump systems without the auxiliary heat capability sometimes make that feature an add-later option. Type above and press Enter to search. Auxiliary heat is a regular function of a heat pump. Auxiliary heat is a heating system that works when the temperature inside a home or building drops lower than two or three degrees from what the temperature is set. Short for auxiliary heat, this system is designed to heat your home up quickly instead of waiting for the cold heat pump on the exterior of your home. If the source of heat is the gas furnace, the heat pump turns off and if the source is electric heat then it works along with the heat pump. Auxiliary (AUX) heat is a second source of heat that comes with some heat pump systems. This means your aux heat will run a lot more, costing you more money. If your aux heat indicator is on, it means your heat pump needs a little help reaching its target temperature setting. Sometimes mistaken for emergency heat, aux heat is a heat pump thermostat setting. So it relies on an auxiliary (AUX) heat coil (like the ones you see in a toaster) or a furnace to heat your home. 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