Question by CK: Is there more than one way to set a High Efficiency Furnace?
I have a Trane High Efficiency forced hot air furnace. It seems to be set to come on as soon as the temperature drops below the set temperature. I thought it could be set to go past the set temp and then comes on when it hits that temp. Which is more efficient? The way it is set now it seems to come on every 15 minutes.
Answer by Noah M
The settings you are looking for are in your thermostat. I assume you have a digital thermostat attached to the system, which should have come with instructions for set up. You need to adjust the temperature differential to plus or minus three or four degrees instead of one degree. This will allow the temperature to drop to three or four degrees below set point before the unit comes on, and raise to three or four higher before shutting off.
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