At Texas State Mechanical, we service, repair, and replace the full spectrum of commercial HVAC equipment—fast, reliably, and with unmatched expertise. Whether your facility needs routine maintenance, emergency repairs, or full system replacement, our certified technicians deliver solutions that maximize uptime, energy efficiency, and occupant comfort.

What we cover

Rooftop Units (RTUs) – Gas/Electric & Heat Pump: Comprehensive diagnostics, refrigerant recovery and recharge, burner and ignition service, control calibration, belt and motor replacement, and complete unit replacement with industry-leading brands.

Commercial & Light Industrial Split Systems: Compressor and condenser repairs, evaporator coil service, refrigerant leak detection and repair, line set replacement, and full-system retrofits.

Make-Up Air Units (MAU): Balancing, intake filtration upgrades, heat recovery, sensor and damper repair, and unit rebuilds to ensure proper ventilation and code compliance.

Dedicated Outdoor Air Systems (DOAS): Controls integration, humidity control calibration, energy recovery wheel service, and optimized ventilation strategies for IAQ and efficiency.

Exhaust & Supply Fans: V-belt and direct-drive motor service, bearing replacement, fan balancing and alignment, variable frequency drive (VFD) troubleshooting, and complete fan unit

Keep your business cold, compliant, and running—without the downtime. At Texas State Mechanical, we specialize in commercial refrigeration service, repair, and replacement tailored to restaurants, grocery stores, hotels, food processors, and any operation that depends on reliable refrigeration.

What we service and support

Walk-In Coolers & Walk-In Freezers: Fast diagnostics, compressor and control repairs, door seal and insulation solutions, and full replacement options to maximize uptime and food safety.

Reach-In Refrigerators & Freezers: Preventative maintenance, rapid repairs, and retrofit upgrades for efficiency and reliability.

Prep Tables & Undercounter Units: On-site service to keep your prep lines moving and maintain product quality.

Merchandiser & Display Coolers: Temperature accuracy, lighting, and gasket repairs to protect merchandising and reduce shrink.

Ice Machines (All Major Brands): Scale removal, water filtration checks, compressor and motor repairs—so ice is always ready when you need it.

Refrigeration Condensing Units: Condenser cleaning, fan and motor replacement, and system performance tuning to lower energy use.

Evaporators & Coils: Defrost system repair, coil cleaning/replacement, and airflow restoration to prevent icing and ensure even cooling.

Refrigeration Piping & Leak Repairs: Pinpoint leak detection, brazing, line replacement, and retrofit work to restore system integrity and comply with regulations.

Why choose Texas State Mechanical

Rapid response and emergency service: Minimize product loss and business interruption with quick, professional service.

Experienced refrigeration technicians: Factory-trained, EPA-certified techs who diagnose accurately and fix it right the first time.

Transparent pricing and honest recommendations: We explain options—repair vs. replace—so you make a cost-effective decision based on lifecycle and energy performance.

Preventative maintenance plans: Scheduled inspections and tune-ups to extend equipment life, reduce emergency calls, and lower operating costs.

Parts and equipment for all major brands: We stock and source quality parts and offer efficient replacement solutions when needed.

Safety and code compliance: We follow industry standards and local codes for refrigerant handling, piping, and electrical work.

Get predictable performance, lower utility bills, and peace of mind. Contact Texas State Mechanical for an assessment, emergency repair, or a tailored maintenance plan—because every degree matters in protecting your product and your bottom line.

Texas State Mechanical provides full-service solutions for kitchen and mechanical support equipment — keeping your commercial kitchen safe, code-compliant, and operating at peak performance. Whether you need routine maintenance, emergency repairs, system upgrades, or complete equipment replacement, our certified technicians deliver fast, reliable service with clear communication and minimal disruption to your operation.

What we service, repair, and replace

Type I & Type II Vent Hoods — inspection, cleaning, airflow balancing, and component replacement to meet fire and health codes.

Hood Make-Up Air Systems — service and controls tuning to ensure proper ventilation and energy efficiency.

Exhaust Fans & Motors — repair, motor replacement, vibration correction, and full fan rebuilds to restore airflow and reliability.

Fire Suppression Tie-In Coordination — we coordinate with licensed vendors to integrate hood systems with fire suppression and ensure seamless compliance.

Electrical & mechanical components we handle

Compressors — diagnostics, rebuilds, and swap-outs for peak refrigeration performance.

Condenser & Evaporator Fan Motors — replacements and upgrades to improve efficiency and reduce downtime.

Contactors & Relays — prompt electrical component replacement to restore control circuits.

Capacitors — testing and replacement to protect motors and extend equipment life.

Control Boards & Sensors — troubleshooting, firmware/calibration adjustments, and replacements for precise system control.

Ignition Modules & Gas Valves — safe, code-compliant service on gas-fired appliances.

Pressure Switches — testing and replacement