Maintenance Loyalty Program is a rewards program for having a complete spring or fall maintenance on your system. Sign up for any of our custom maintenance contracts and each completed maintenance by our expert sevice technicians will qulifiy for a dated X in each box of the loyalty card. Each box is worth $20.00 off a replace system. You can only use a total of 5 boxes worth $100.00 off any installation of a furnace, air conditioning, or heat pump system. Ask for details on your next maintenance.