*On approved credit. 30 percent federal tax credit based on eligibility, consult your tax advisor. **On approved credit. Savings based on size of roof. Cool Roof upgrade with roof replacement only. ***Must purchase a complete heating system. †Present this at the time of your appointment. ‡Unlimited referrals accepted. Maximum awarded amount per new customer is $550 for referrals that purchase. Referral name must be supplied by referrer, referral amount paid after completion of installation and payment. FOR ALL OFFERS: New customers only, some restrictions apply. Cannot be combined with other offers. For more information on warranties call or see website for details - Warranties.