The time period “EMER” on a thermostat usually refers to “Emergency Warmth.” This setting prompts a secondary heating system, normally electrical resistance warmth, to offer heat when the first heating supply (similar to a warmth pump) is unable to take action effectively or has failed. As an example, if a warmth pump malfunctions throughout extraordinarily chilly climate, partaking the emergency warmth perform ensures the constructing maintains a liveable temperature.
Emergency warmth serves as a vital backup, particularly in areas with extreme winters. Its activation prevents pipes from freezing and protects occupants from dangerously low indoor temperatures. Traditionally, this performance has been a regular characteristic on warmth pump thermostats, providing a security web and sustaining consolation ranges throughout unexpected system failures or excessive climate circumstances.
