20% Off Duct Replacement* *20% off your total duct replacement with a minimum of $500 ducting purchase.Available for a Limited Time - - Act now! Have rooms that are too hot or cold? Take advantage of this savings while enjoying comfortable rooms all year round, improved air quality and better energy efficiency. *20% off your total duct replacement with a minimum of $500 ducting purchase. Offer is good 11-1-2023 thru 12-31-2023 and cannot be redeemed on prior purchases.