Commercial Air Chiller Service in Pasadena | #1 AC Guys

Why Pasadena businesses choose #1 AC Guys

We are a fourth‑generation family of engineers with 80+ years of combined engineering experience, specializing in commercial air chillers for demanding environments. Our mission is simple: deliver healthy indoor air and stable, energy‑efficient comfort that supports productive, healthy lives at work.

• Engineering‑first diagnostics that find root causes, not just symptoms
• Expertise across air‑cooled and water‑cooled chillers, central plants, and process cooling
• Factory training at Fujitsu (Japan), Mitsubishi Electric (Thailand), Midea (China), Gree (China), and Haier (China)
• OEM‑grade components and AC PRO parts for dependable performance
• Clear scopes, transparent pricing, and documented results

Commercial air chiller capabilities

From new builds to mission‑critical retrofits, we handle complex loads, integration challenges, and tight schedules. Our team designs, installs, repairs, and maintains:

• Air‑cooled chillers (scroll, screw, magnetic bearing)
• Water‑cooled chillers with cooling towers, pumps, and VFDs
• Primary/secondary and variable primary flow strategies
• Process cooling for labs, manufacturing, and data environments
• Controls optimization and BAS integration
• Energy retrofits: heat recovery, variable flow, sequencing, and staging

We emphasize measurable outcomes—reliable tonnage, stable supply temperatures, improved delta‑T, and verified kWh savings—so you can prove performance to stakeholders.

AC PRO parts and multi‑brand service

We service a wide range of commercial chiller makes and models and specify OEM‑grade components. When appropriate, we source equipment and replacement parts through AC PRO to ensure availability, consistency, and warranty alignment. We do not claim training by AC PRO; our factory training is with Fujitsu, Mitsubishi Electric, Midea, Gree, and Haier.

Industries we serve

• Office, retail, and mixed‑use properties
• Healthcare, labs, and life sciences
• Education and municipal facilities
• Hospitality and entertainment venues
• Light industrial, warehouses, and manufacturing

Whether your priority is occupant comfort, process stability, or energy savings, we tailor the solution to your building’s goals.

Maintenance programs that prevent downtime

Proactive service protects capital assets and budgets. Our plans include seasonal commissioning, water treatment coordination, oil and refrigerant analysis, tube cleaning, vibration checks, and controls calibration. We document trends, correct inefficiencies, and help forecast lifecycle planning—reducing emergency calls and total cost of ownership.

• Load and delta‑T verification
• Sensor calibration and setpoint optimization
• Leak checks and refrigerant management
• Pump, valve, and VFD testing
• Coil and condenser cleaning for heat‑transfer efficiency

Healthy indoor air and energy efficiency

Our mission is healthy air for healthy lives—at home and at work. For commercial buildings, that means dialing in ventilation, filtration, and humidity to support indoor air quality while optimizing energy. We align chiller performance with airside strategies so comfort and IAQ improve together, not in tradeoff.

Service area

Based in Los Angeles, we proudly serve Pasadena and Greater LA, including Los Angeles County and nearby regions: Orange County, Ventura County, and Western Riverside County.

Our process

• Assessment: Site survey, load review, and performance baselining
• Plan: Clear scope, options, and ROI/energy analysis
• Execute: Safety‑first installation or repair with minimal disruption
• Verify: Functional testing, commissioning, and documentation
• Support: Maintenance plans, monitoring guidance, and staff training

Need to move fast? We coordinate equipment and parts procurement—including AC PRO‑sourced components—to keep your schedule on track.

Signs your Pasadena facility needs chiller service

• Inconsistent supply temperatures or frequent short cycling
• Poor delta‑T or rising energy intensity
• Alarms, nuisance trips, or vibration anomalies
• Hot/cold complaints or IAQ concerns
• Unplanned downtime impacting operations

If you’re experiencing any of the above, we can assess, stabilize, and optimize your system quickly.

Get started

Choose a commercial air chiller partner that blends hands‑on field expertise with deep engineering know‑how. #1 AC Guys delivers reliable comfort, healthier air, and lower lifecycle costs for Pasadena businesses. Contact us to schedule a site visit, energy assessment, or competitive proposal—and keep your building performing at its best.