Em.heat what does it mean

Your heating system will then use the secondary system with your normal heating. However, if your heat pump constantly switches to back-up heat, even in mild temperatures, this indicates a problem, and a technician should check it out. On the other hand, manually activating your EM heat sets up a different chain of events. The system will bypass the main heat pump and be forced into auxiliary mode.

It then relies solely on the backup heat source to generate heat, only using the indoor unit as a source of heat. Where does emergency heat come from? This could be a backup gas furnace, an electric heat strip, oil, or a hot-water system. If your EM heat is electric, you can expect much higher prices when running your EM system. This is because backup systems, such as an electric strip or gas furnace, are less efficient at pulling heat.

And as the name implies, should only be run in an emergency until your heat pump can be repaired. Now if you have Gas or Oil heat for your backup system, then the answer isn't so clear. It depends on the cost of your fuel, the efficiency of your heating system, compared to your electric rate and so on.

But it is safe to say that the price increase won't be as much as an all-electric system. As explained earlier, the Emergency Heat light will be on whenever your thermostat is set to Emergency Heat. But if your thermostat is not set to emergency heat and the light is on, then that usually indicates a problem with your heat pump. For more on this issue, see: Thermostat red light flashing or stays on. Please keep in mind that the information found on our website is provided free of charge and Hannabery HVAC does not assume any liability resulting from the information we provide.

We hope this information helps, but please note that these are just rough guidelines, and not all possible situations are covered.

Your HVAC system should be inspected and repaired by a trained technician. Frequently Asked Questions. About Us. If that happens, contact a professional heat pump repairman for help. Why would emergency heat mode run up your energy bill? To understand, we need to briefly cover how a heat pump works.

It costs more to use the auxiliary heat, especially the electric heat strip since it runs off electricity. When working properly, your heating system will utilize your Emergency Heat when the primary system is unable to handle controlling the temperature on its own or there is a problem with your heating system. Emergency heat without air movement can cause damage do your outdoor unit.

You should never turn on the Emergency Heat manually, unless your heat pump has failed completely.