INFORMATION ABOUT TURNING EMERGENCY HEAT ON DURING EXTREME COLD

EMERGENCY HEAT... WHY YOU HAVE IT AND WHEN TO USE IT!

If you have a heat pump, you might be aware that you should avoid using the emergency heat setting on your thermostat. You might have been warned not to use this setting because it uses electric heat strips to heat your home, which are not nearly as energy efficient as your heat pump’s normal function. While you shouldn’t have to choose the emergency heat setting (except in actual emergencies), it is OK for your heat pump to occasionally use heat strips during normal operation.

Because heat pumps work by pulling heat from the air outside your home, the colder that air is, the more difficult it is for your heat pump to operate this way. So, in addition to this heating method, most heat pumps use strips of electric heating coils as an auxiliary heating source if the unit is not able to meet the setting on the thermostat fast enough or efficiently enough. Heat strips are wire elements in your unit that are heated by electricity, which in turn heat the air that flows over them.

Heating air using heat strips requires much more energy, but your heat pump relies on these strips to perform certain tasks, such as defrosting your unit. Even though it’s sometimes necessary for your heat pump to use the heat strips occasionally, there are things you can do to prevent your heat pump from using them frequently.

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Keep Your Thermostat Set at 68 Degrees

It’s recommended that you keep your thermostat at 68 degrees in the winter; each degree you heat your home above 68 can add as much as four percent to your utility costs. Keeping your house at a lower temperature will reduce the amount of heat your heat pump has to create, thereby reducing the need to rely on heat strips.

If your home is well-insulated, keeping the thermostat at a low, regulated temperature should prevent you from using your heat pump excessively. It’s also recommended that you lower the thermostat to 65 degrees while you’re asleep or if you’ll be out of the house for at least four hours, preventing your system from producing additional heat while you’re not there to enjoy it.

Raise Your Thermostat Temperature Gradually

If you’ve lowered the temperature of your house while asleep or away from your home, warm your house slowly when you return. Do not raise the thermostat more than two degrees at a time. Your home comfort system is going to do whatever it can to bring your house to your desired temperature as quickly as possible. 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. 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.

Do Not Use the Emergency Heat Setting

You might be wondering, if your heat pump uses these auxiliary heat strips regardless, why is the emergency heat setting there at all? What is the purpose of the Emergency Heat afterall?

The emergency heat setting is there, as the name suggests, for emergencies, when your heat pump isn’t working properly. Switching to the emergency heat setting forces your heat pump to bypass the method it typically uses to produce warm air and instead rely solely on heat produced by the heat strip coils.

This setting should be used only if there is something wrong with your heat pump, and even then, only as a short-term fix until you can have the system repaired. While using the emergency heat setting will heat your home, it requires much more energy to operate and will cause your utility bill to increase. Repairing or replacing your heat pump instead of relying on the emergency heat will save you time and energy (literally) in the long run.

Here is some more information we hope you find helpful

https://www.consumerreports.org/heat-pumps/can-heat-pumps-actually-work-in-cold-climates-a4929629430/

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