Commercial Refrigeration Repair in Ontario, CA

When refrigeration fails, minutes matter. Our mission is healthier air and safer cold chains, so we prioritize rapid, engineering‑led diagnostics that protect food safety, regulatory compliance, and your bottom line. With 80+ years of multi‑discipline engineering across four generations, #1 AC Guys tackles the complex issues—controls, airflow, superheat/subcooling, electrical, and refrigerant management—that others often overlook.

Commercial Refrigeration We Repair in Ontario, CA

• Walk‑in coolers and walk‑in freezers
• Reach‑in coolers/freezers and prep tables
• Display cases and undercounter units
• Ice machines and back‑bar equipment
• Parallel rack systems and condenser units
• Controls, TXVs/EEVs, defrost systems, and sensors

Whether you run a restaurant, supermarket, brewery, commissary, or cold‑storage warehouse, we restore stable temperatures, humidity, and airflow to protect inventory and ensure guest satisfaction.

AC PRO Parts Advantage

We leverage OEM‑grade components sourced through AC PRO to speed repairs and maintain reliability. This means faster turnaround, strong parts availability, and components that match your equipment’s performance requirements—helping you reduce downtime and avoid repeat failures.

Factory‑Trained Engineering Expertise

Our team is factory‑trained by Fujitsu (Japan), Mitsubishi Electric (Thailand), Midea (China), Gree (China), and Haier (China). That training, combined with our large‑project experience, allows us to solve challenging problems methodically, from intricate control logic to system commissioning and retrofit strategy.

Our Repair Process

• Stabilize: Protect product with safe temps and temporary measures if needed.
• Diagnose: Instrumented testing—electrical, pressure/temperature, airflow, and leak checks.
• Plan: Clear options, timelines, and costs so you choose what’s best for your operation.
• Repair: Precision workmanship, OEM‑grade parts via AC PRO, code‑conscious practices.
• Verify: Performance validation—superheat/subcooling, case temps, and defrost operation.
• Prevent: Maintenance and optimization recommendations to extend life and reduce energy.

Common Signs You Need Service

• Rising case or box temperatures, product softening, or ice buildup
• Short cycling, hard starts, breaker trips, or unusual noise
• Frequent icing/defrost issues, water leaks, or excessive humidity
• High energy bills or equipment running continuously

Addressing issues early helps you avoid product loss, emergency shutdowns, and health‑code violations.

Preventive Maintenance That Pays Back

Proactive maintenance lowers total cost of ownership. We clean coils, calibrate controls, verify defrost and drain performance, check door heaters and gaskets, test electrical connections, and benchmark temps/pressures to catch problems before they escalate. Results: fewer breakdowns, steadier product temps, and measurable energy savings.

Energy, Air Quality, and Food Safety

Healthy air isn’t just for comfort. Proper ventilation, filtration, and moisture control around cases help maintain food quality, reduce mold risk, and support staff well‑being. We optimize airflow paths, seal leaks, and dial in defrost/air curtain performance to keep conditions stable and sanitary.

Industries We Serve

• Restaurants, cafes, and bakeries
• Grocery, markets, and convenience stores
• Breweries, bars, and hospitality
• Distribution, cold‑storage, and commissaries
• Healthcare and education food service

Why #1 AC Guys

• 80+ years of engineering in a fourth‑generation family business
• Commercial specialists for large and complex projects
• Factory‑trained by Fujitsu, Mitsubishi Electric, Midea, Gree, Haier
• OEM‑grade components and strong availability via AC PRO
• Clear communication, transparent pricing, and dependable scheduling

Ontario, CA and Nearby Coverage

We proudly serve Ontario and the Greater Los Angeles region, including Los Angeles County and nearby areas such as Orange County, Ventura County, and Western Riverside County. If you operate across multiple sites, we can coordinate multi‑location maintenance and repair to keep every facility on spec.

Get Fast Help Today

Need commercial refrigeration repair in Ontario, CA? Call #1 AC Guys. We respond quickly, fix the root cause, and document performance so you can run confidently—day after day. Request same‑day service or ask about a tailored preventive maintenance plan that protects product, people, and profits.