if you set heat to 68 it will let the temp fall to 67 before it heats you to 69; if you set cool to 72 it will let the temp rise to 73 before it kicks in and cools you to 71.
@kmmfoo This depends on the particular system. Some HVACs have configurable deadbands and sways for heating and cooling. They don't recommend narrowing them both for efficiency and for the sake of the equipment, but some smart hardware can have deadbands of a degree or two and sway of 0.5 degrees.
@kmmfoo I fiddle a lot with this; I have a home assistant server and smart thermostats. I've tinkered with the dead bands and with supplemental heat sources, trying to manage them with the same system and different temp settings.
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