AC Tune-Up Ask about our current AC tune-up pricing Available for a Limited Time - Act now! To redeem, call or request an appointment on our website and mention this coupon. The offer is valid for one-time use only. It is not redeemable for cash, is not valid toward previous purchases, and must be requested while making the appointment. The offer may not be combined with other coupons, discounts, offers, or promotions. This offer is not valid on customer-supplied items.