Commercial Chiller Repair in Los Angeles

#1 AC Guys is Los Angeles’ engineering‑driven choice for commercial chiller repair. As a 4th‑generation family of engineers with 80+ years in engineering, we bring plant‑level thinking to every service call: accurate diagnostics, durable repairs, and measurable performance gains. Our mission is healthy air for healthy life, and a stable chiller plant is the backbone of comfort, humidity control, and indoor air quality across large facilities.

Why businesses choose #1 AC Guys for chiller repair in Los Angeles

• 4th‑generation engineering team with 80+ years of engineering excellence
• Factory‑trained at the facilities of Fujitsu (Japan), Mitsubishi Electric (Thailand), Midea (China), Gree (China), and Haier (China)
• Depth across water‑cooled and air‑cooled plants, centrifugal, screw, and scroll chillers
• Root‑cause diagnostics: electrical, refrigerant, hydraulics, controls, and water‑side issues
• Fast response across Los Angeles County, plus Orange County, Ventura County, and Western Riverside County
• Engineered repairs that improve reliability, capacity, and energy efficiency

Comprehensive commercial chiller services

• Emergency and scheduled chiller repair for water‑cooled and air‑cooled systems
• Preventive maintenance programs: performance checks, setpoint optimization, and safety testing
• Troubleshooting and restoring capacity on centrifugal, screw, and scroll chillers
• Refrigerant leak detection and repair, evacuation, charging, and performance verification
• Tube cleaning, descaling, and coils maintenance for better heat transfer
• Oil analysis, bearing inspection, and vibration checks for rotating equipment
• VFD, starter, and motor service; sensor calibration; control logic and sequence optimization
• Pump, valve, and hydronic balancing support; cooling tower coordination
• Retrofit and recommissioning support to extend equipment life and reduce energy spend

Systems and industries we serve

We repair and optimize chillers for hospitals, data centers, manufacturing, labs, high‑rise offices, hospitality, universities, retail, and mixed‑use sites. Whether your building relies on a central plant or distributed chillers, we deliver reliable comfort and process cooling tailored to Los Angeles’ climate and operating demands.

• Chiller types: centrifugal, screw, scroll, modular; water‑cooled and air‑cooled
• Plant components: cooling towers, pumps, heat exchangers, VFDs, starters, and BMS interfaces
• Applications: comfort cooling, process cooling, critical environments, and humidity control

Our diagnostic‑first process

• Assess: capture alarms, trends, and operating data; interview onsite staff
• Test: thermal imaging, electrical testing, refrigerant analysis, and water‑side checks
• Pinpoint root cause: mechanical, electrical, controls, or water treatment‑related
• Repair: code‑compliant fixes with OEM‑grade parts wherever practical
• Verify: performance testing, delta‑T, capacity confirmation, and controls tuning
• Optimize: recommendations to prevent recurrence and improve efficiency

Engineered for uptime and healthy air

A well‑maintained chiller plant stabilizes temperatures and humidity, directly supporting indoor air quality. Our team pairs reliable repair with smart optimization so your occupants breathe healthier air while your facility spends less on energy.

Coverage area

We provide commercial chiller repair across Los Angeles County and neighboring regions, including Orange County, Ventura County, and Western Riverside County. If you operate multiple sites, we coordinate service schedules to minimize downtime and disruption.

FAQs: Commercial chiller repair in Los Angeles

How fast can you respond?
We prioritize critical facilities and can often dispatch promptly in Los Angeles. Contact us for current availability.

Do you service all major chiller brands?
Yes, we repair and maintain all major commercial chiller brands. Our engineers are factory‑trained at the facilities of Fujitsu (Japan), Mitsubishi Electric (Thailand), Midea (China), Gree (China), and Haier (China).

What if the issue is not the chiller?
We evaluate the whole plant: pumps, towers, valves, controls, and water treatment to address the true cause.

Ready to restore capacity and efficiency?

Get expert commercial chiller repair in Los Angeles from #1 AC Guys. Our engineering team solves complex problems fast and helps prevent them from coming back. Call now to schedule diagnostics and put your plant on a stronger footing.