The time period refers to a supplemental heating system that prompts when the first heating supply is inadequate to fulfill the thermostat’s temperature setting. This secondary system offers further heat during times of maximum chilly, making certain constant and cozy indoor temperatures. For instance, a warmth pump may depend on electrical resistance heating as a backup when the skin temperature drops beneath a sure threshold the place the warmth pump’s effectivity diminishes.
Deployment of a supplemental heating system is essential for sustaining constant consolation ranges and stopping pressure on the first heating system throughout peak demand. This will lengthen the lifespan of the primary heating unit and cut back the probability of system failure throughout essential occasions. Traditionally, supplemental heating has advanced from easy wood-burning stoves to stylish electrical and gas-powered programs, reflecting developments in heating expertise and vitality effectivity.