Auxiliary warmth supplies a supplemental heating supply for warmth pump methods. It engages when the warmth pump alone can not keep the set temperature, usually in periods of utmost chilly. This supplemental warmth is normally generated by electrical resistance coils, just like these present in an electrical furnace. An instance is when the thermostat is ready a number of levels increased than the present room temperature on a really chilly day; the system may activate this supplemental perform to rapidly attain the specified temperature.
The perform 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, doubtlessly shortening its lifespan and rising vitality consumption. Activating the supplementary warmth ensures speedy temperature restoration and prevents the system from struggling to fulfill demand. Traditionally, these supplemental methods offered a fail-safe in conditions the place the first warmth pump expertise was much less dependable in excessive climates.