If the temp is set at 55 for heating at night and the temp drops below will the nest engage the system null

Question

CherryB0mba · Accepted Answer

Yes, it works in a similar manner to other programmable thermostats. When the ambient indoor temperature goes above or below the current setting, e.g., 55 degrees, then the Nest thermostat will turn on the furnace, keeping the temperature at 55 degrees.

Answered by CherryB0mba 7 years ago

Verified Purchase

DaveK · Answer

I have had the learning thermostat in my home for 6 or 7 years. I think for the first few years it controlled the temperature within one degree of setting. In recent years cooling cycle is very accurate but heating has a 4 degree temperature hysteresis meaning the actual temperature is 4 degrees below the set temperature.

Answered by DaveK 5 years ago

Answer

Yes

Danny · Answer

Yes of course, that’s what it’s designed to do.

Nest Support · Answer

If the heat is set to 55, the Nest would activate heating once the temperature drops to 54 degrees, as the Nest has a maintenance band of one degree to prevent additional wear and tear on the system. 
Details here: https://nest.com/support/article/Why-doesn-t-Nest-start-my-system-immediately-when-the-temperature-is-above-or-below-the-target-temperature

“If the temp is set at 55 for heating at night and the temp drops below will the nest engage the system”

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