Commercial Chiller Repair in Fontana, CA

Precision repair for critical cooling in Fontana

When your chiller is down, production, comfort, and air quality are at risk. #1 AC Guys delivers expert commercial chiller repair in Fontana with rapid dispatch, deep diagnostics, and fixes that last. As a 4th‑generation, family‑owned HVAC company with 80+ years of engineering heritage, we specialize in large and complex systems that many contractors won’t touch—keeping your plant efficient, reliable, and compliant.

Systems and issues we service

• Air‑cooled and water‑cooled chillers (centrifugal, screw, scroll)
• Central plants, packaged chillers, process cooling, and comfort cooling
• Controls/BAS integration (setpoints, staging, sequencing, alarms)
• Compressors, motor starters, VFDs/soft starts, contactors, relays
• Refrigerant circuits: leaks, charge optimization, oil management
• Expansion valves, EEVs, sensors, transducers, actuators
• Tube bundle cleaning, descaling, eddy current testing (where applicable)
• Pumps, strainers, valves, glycol management, flow and delta‑T issues
• Cooling towers: fan motors, gearboxes, nozzles, basin cleaning, water treatment coordination

Our repair process—fast, methodical, transparent

1) Rapid triage and safety check to protect people and equipment.
2) Advanced diagnostics: pressure/temperature trending, vibration analysis, thermal imaging, and data logging to pinpoint root cause—not just reset alarms.
3) Clear options and pricing before work begins so you control cost and downtime.
4) OEM‑level repair and calibration, followed by performance verification under load.
5) Optimization: fine‑tune controls, staging, and flows to restore capacity and reduce kW/ton.

Why Fontana businesses choose #1 AC Guys

• 4th‑generation family engineers with 80+ years of combined know‑how
• OEM and factory‑trained on advanced HVAC technologies (Fujitsu, Mitsubishi Electric, Midea, Gree, Haier) and experienced across major commercial chiller platforms
• Built for big and complex projects—industrial, healthcare, education, logistics, and data environments
• 24/7 emergency service, same‑day dispatch, and stocked service vehicles
• Title 24, OSHA, and EPA 608‑compliant practices; meticulous documentation
• Preventive strategies that protect uptime and extend asset life
• Local, honest, transparent—no surprise charges, ever

Preventive maintenance and performance upgrades

Beyond urgent repairs, we offer tailored maintenance plans to stop breakdowns before they start. Services include seasonal start‑ups/shutdowns, oil and refrigerant analysis, water‑side inspection and cleaning, alignment and vibration checks, sensor calibration, and control strategy reviews. We also help optimize energy performance—resetting condenser water, refining chilled water setpoints, balancing flows, and tuning VFDs—to lower operating costs without sacrificing comfort or process stability.

Healthy air, efficient plants

Our mission is healthy air for a healthy life—even in commercial settings. Properly serviced chillers stabilize temperature and humidity, supporting better indoor air quality and occupant well‑being while protecting sensitive equipment and inventory. You’ll feel the difference in comfort, productivity, and energy bills.

Industries we support in Fontana and the Inland Empire

• Manufacturing and process cooling
• Warehousing, logistics, and cold storage
• Healthcare and medical offices
• Schools, campuses, and public buildings
• Retail, hospitality, and mixed‑use properties
• Offices, data rooms, and light industrial

Service area and availability

We proudly serve Fontana and the Greater Los Angeles region—Los Angeles County and nearby Orange County, Ventura County, and Western Riverside County—with priority response for commercial accounts. Our team is fully insured and EPA‑certified, ready day or night to restore capacity and keep your operations safe and compliant.

Get fast help now

If your chiller is tripping, short‑cycling, low on capacity, leaking, or driving energy costs up, contact #1 AC Guys. We’ll dispatch a seasoned engineer, deliver a precise diagnosis, and get your system back to peak performance—safely and quickly. Request service today and regain uptime, efficiency, and peace of mind.