During an emergency. i.e. when the heat pump is not working. If your heat pump can not keep your house warm, then the auxiliary heating coils (same thing as emergency heat) will come on automatically.
If not, then there is a problem with your heating system.
Heat pumps don't work well when its below freezing point temperature's
Which Heat emergency you should suspect if the skin of the casualty remains elevated when pinched
Which Heat emergency you should suspect if the skin of the casualty remains elevated when pinched
Which Heat emergency you should suspect if the skin of the casualty remains elevated when pinched
Heat Stroke
Which Heat emergency you should suspect if the skin of the casualty remains elevated when pinched
Yes, emergency heat can be used in temperatures below zero. It is designed to provide a supplemental source of heat when the primary heat source is not working properly. However, it is important to note that emergency heat can be expensive to operate, so it should only be used as a temporary measure until the primary heat source is restored or repaired.
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Usually, you will notice diminished heating capacity from your system, and the out side temperature is dropping below the average temperature your heat-pump operates at. This is the time to activate your emergency heat.
Which Heat emergency you should suspect if the skin of the casualty remains elevated when pinched
EM (or emergency heat) can be used if you have a problem with your other heat source such as a heat pump. In most cases, you will not need this but what it does is bi-passes the primary heat source and allows your secondary heat source (normally your furnace) to become the primary.
Heat stroke