Auxiliary warmth offers a supplemental heating supply for warmth pump methods. It engages when the warmth pump alone can not preserve the set temperature, usually in periods of utmost chilly. This supplemental warmth is normally generated by electrical resistance coils, much like these present in an electrical furnace. An instance is when the thermostat is about a number of levels larger than the present room temperature on a really chilly day; the system would possibly activate this supplemental operate to shortly attain the specified temperature.
The operate is essential for sustaining consolation and stopping the system from working inefficiently. Extended reliance on the first warmth pump throughout extreme chilly can overwork the compressor, probably shortening its lifespan and growing power consumption. Activating the supplementary warmth ensures speedy temperature restoration and prevents the system from struggling to fulfill demand. Traditionally, these supplemental methods supplied a fail-safe in conditions the place the first warmth pump know-how was much less dependable in excessive climates.