Free Extended Warranty - available on select Trane models. Please call our office for further details. Quick Savings Rebate - Call for details on Quick Savings Rebates available. Clean & Check - Call for details on special clean & check offers available. Safety Inspections - Keep your home and family safe with a system inspection available at a special rate. Please call our office for further details. Please call us during business hours to find out about special seasonal promotions.