this page suitable duct size. The airflow capacity of the AC is calculated in CFM for every sq. foot.To discover if your thermostat is improperly calibrated, take a glass thermometer and place it beside your thermostat. Right after quarter-hour, Check out the studying of your thermometer and thermostat. If there’s a discrepancy of more than one diploma, it is best to recalibrate your thermostat.This includes my website guaranteeing that vents, ducts, and also the air con unit usually are not obstructed by home furnishings or other things.