SANDOVAL SERVICE A/C & REFRIGERATION

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About SANDOVAL SERVICE A/C & REFRIGERATION
Sandoval Service A/C & Refrigeration has served the San Antonio market for over two decades, delivering licensed residential and light commercial heating and cooling solutions across Bexar County and neighboring communities. The company maintains an unblemished five-star rating garnered from twenty-nine verified client reviews, with founder Mario Sandoval personally overseeing diagnostics and repairs. Homeowners throughout the Alamo City rely on this team for everything from routine seasonal tunings to complex system overhauls.
Unlike many contractors who sub out specialized work, Sandoval Service handles wine cellaring equipment including WhisperKOOL precision coolingunits, a narrow vertical that keeps this business at the top of referral lists for collectors and hospitality venues. Technicians arrive with genuine parts inventory, enabling single-visit resolutions rather than multi-trip callbacks. The team provides upfront written estimates before any work begins and stays on-site until the homeowner confirms every component functions as designed.
The proof lives in recent client experiences: Char's AC failed during a summer stretch, and Mario identified a defective breaker that three previous contractors overlooked, resulting in a same-day fix instead of a multib thousand-dollar replacement. Marisol required an emergency WhisperKOOL upgrade with no local alternatives; Sandoval flew in certified, completed the install in one day, and verified temperature stability before departing. Madeline Martin's family has relied on Mario for every AC concern across eight years, citing his consistent practice of explaining the underlying cause before recommending any repair.
What Customers Say
Fourteen of fifteen reviewers specifically credit Mario by name, with recurring themes including same-day arrival during heat emergencies, upfront pricing with zero upcharges, and diagnostic explanations before recommending repairs. Eight clients referenced prior contractor failures that Marioresolved on first visit.
Working Hours
| Sunday | Closed |
| MondayToday | 9 AM–5 PM |
| Tuesday | 9 AM–5 PM |
| Wednesday | 9 AM–5 PM |
| Thursday | 9 AM–5 PM |
| Friday | 9 AM–5 PM |
| Saturday | 9 AM–12 PM |
Services
AC Repair & Troubleshooting
Diagnostic visits targeting refrigerant loss, electrical faults, capacitor failures, and thermostat malfunctions with parts on hand.
AC Installation & Replacement
Full system swaps including load calculation, equipment selection, ductwork assessment, and code-compliant permitting.
Preventive Maintenance
Seasonal tune-ups covering coil cleaning, refrigerant topping, filter changes, and electrical contact inspection.
Heating Repair & Service
furnaces and heat pump repairs ensuring winter readiness and safe operation.
Commercial Refrigeration
Specialized service for wine cellars, walk-in coolers, and cold-room equipment including WhisperKOOL and similar brands.
Indoor Air Quality Assessment
Evaluation of filtration needs, duct integrity, and ventilation improvements for allergy and humidity control.