Installed Projects Receive the following discounts: $100 off contract of $1500-$2500 or $200 off contract over $2500 or $300 off contract over $3500 or $400 off contract over $4500 or $500 off contract over $5500. Not valid with other offers. Coupon must be presented with signed contract. One coupon per customer. Exp. 4/10/20.