How much does air conditioning repair cost in Mercedes, TX? At All Valley Plumbing & A/C Co., air conditioning repair in Mercedes, TX costs $275 to $875 (prices updated September 22, 2026), posted upfront with no sales visit.
We serve Mercedes homes from the historic districts around Texas Avenue to neighborhoods near Heidelberg Park and the Interstate 2 corridor, with upfront prices for common plumbing and air conditioning work.
Service is scheduled from our McAllen office at 2505 Buddy Owens Blvd Suite E.
$75 diagnostic fee - waived when you approve any repair.
See your price before anyone comes out. No sales visit, no upsell — your price is approved before work begins.
| Service | Price |
|---|---|
| Air Conditioning repair | $275–$875 |
| Air Conditioning tune-up | $89–$129 |
| Thermostat replacement | $150–$350 |
Prices last updated: September 22, 2026
Long South Texas cooling seasons put steady wear on outdoor units, capacitors and airflow systems. We diagnose equipment near Downtown Mercedes Historic District, Texas Avenue and Missouri Historic District and show the posted repair range before work starts.
Choose the service online and review the posted price or range. If the work needed falls outside that scope, you see and approve the new price before any work begins.
Downtown Mercedes Historic District, Texas Avenue, Missouri Historic District, Ohio Historic District, Elks Club Building, Heidelberg Park, Interstate 2 corridor.
See the posted price, approve it, and book online. No sales visit.
