What is EM heat on a thermostat?

EM Heat Is a Backup System for Heating Emergencies By pressing a button or flicking a switch on the thermostat, you can manually switch over to the emergency heat mode, allowing the heat pump to bypass the standard operating process and rely solely on the auxiliary heat system.

How long can I use emergency heat?

While you can run emergency heat as long as you want, it’s extremely expensive. Therefore, you should use emergency heat sparingly and only as the name implies: during emergencies.

What does EM heat mean on Honeywell?

Emergency Heat
The EM HT (Emergency Heat) feature allows the user to use a backup heat source when the heat pump is not working. The Emergency Heat feature locks out the heat pump compressor so that only backup heat is used. This is typically used until a heating and/or cooling contractor can troubleshoot or fix the heat pump system.

At what temperature should you turn your emergency heat on?

between 30 to 35 degrees Fahrenheit
This is where emergency heat comes in. Typically, this setting on your thermostat kicks on when the temperature is anywhere between 30 to 35 degrees Fahrenheit.

What temp do you turn on emergency heat?

Your emergency heat setting automatically turns on when outside temperatures drop below a certain temperature, usually 30 degrees Fahrenheit. If you need to manually turn it on, you should call an HVAC professional to get your heat pump fixed.

When should I put my thermostat on emergency heat?

Emergency heat is ideal for when the outside temperature is too cold for your heat pump to keep your home warm. If the heat pump freezes over or becomes damaged, then you should switch to emergency heat and call an HVAC service provider.

Why is my heat pump blowing cold air when the heat is on?

When your heat pump goes into defrost mode, it switches into cooling mode, causing the outdoor coils to heat up to melt any frost or ice within the system. However, because the system is in cooling mode, it means that for a few minutes, it will blow cold air through the vents.

How long should you run your emergency heat?

Aux heat kicks in when the heat pump is working but there’s a difference (typically 2 – 3 degrees) between your thermostat setting and the actual indoor temperature….Em heat vs. aux heat.

	Normal heat pump at 30 degrees for 1 week	Emergency heat at 10 degrees for 1 week
Hours use per day	12 hours	24 hours + 12 hours

How long can you leave emergency heat on?

When should you use Em Heat on the thermostat?

What is emergency heat? EM heat is the short form of emergency heat. As the name suggests, it should only be used in cases of emergency. By switching on your Honeywell thermostat’s EM heat, you’re simply commanding your system to switch off the primary heat mode and rely only on the auxiliary mode.

What does “aux heat” and “Em Heat” on my thermostat mean?

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. EM heat is an option on your thermostat that you can manually turn on to activate backup heating.

What is the emergency heating setting on my thermostat?

The emergency heat setting on your thermostat is the back-up heating system in your home. This setting is typically a heat pump, gas, oil, electric, or hot-water heater.

What temperature should my thermostat be set to?

– While nothing speaks against increasing your thermostat to 66-70°F while you’re home in the daytime, don’t hesitate to drop the thermostat temperature lower at night even in the winter: 66-62°F – Thermostat settings for winter vary by preference. – To save energy, make sure to close all doors to unused rooms whenever you’re away or at night.