Fall Trade-In Credit! $1,000 off a new system + your choice of HVAC upgrade! Expires: September 30, 2026 - Act now! Must present coupon at time of service. Cannot be combined with any other offer, discount, or promotion. Not valid on prior purchases or existing service agreements. One coupon per household/system. Not redeemable for cash. Offer valid on standard-hour service unless otherwise noted. Restrictions may apply. Carolina Conditions reserves the right to modify or end this offer at any time.