Idle Band — how far the temperature can drift from the target before the system activates.
Shutoff Buffer — degrees before the exact target where devices cut off. Positive = early cutoff, letting thermal momentum coast in. Negative (down to −2°C) = deliberate overshoot. Set to 0 to run all the way to target.
Momentum Factor — scales how strongly the rate of temp change advances the shutoff point. Higher = earlier cutoff when temp is changing fast. Auto-set from outdoor/indoor gap each weather refresh.
Thermal Coeff — scales how strongly the outdoor/indoor temp gap advances shutoff. Higher = earlier cutoff with large gap. Auto-set from outdoor humidity each weather refresh.
Coast Direction — Cool+ = system runs cooler (cooling shuts off later / below target, heating shuts off earlier). Warm+ = system runs warmer (heating shuts off later / above target, cooling shuts off earlier). Past ±50% the system deliberately overshoots the target — up to ~1°C at ±100%. Neutral = symmetric shutoff.