Terms & Conditions Limited time offer. Eligibility and availability may vary by location and customer type. Currently only offering in the Houston area. The $29.99 diagnostic is a special promotional rate and not part of standard service pricing. Offer expires November 1, 2025. Valid for one system, Monday–Friday, 8 AM–4 PM. Repairs not included. We reserve the right to modify or cancel this offer at any time without notice.