Quote:
Originally Posted by Barnes
Yes, the only kind of 'advanced' settings I changed was the temp differential to 1.5deg. The default is lower and I felt that it was cycling too often.
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By this do you mean the differential what the setting is and what temperature will actually trigger a call for heat/cool? If so that might actually be too much. High efficiency/multi stage furnaces are designed to run almost constantly at a low speed to keep temperatures even. Having them run for short periods at high intensity is not what they were designed for. Older furnaces ran this way - full blast, then off, then full blast. Now they run lower and steady and only ramp up if the call for heat is drastic.