Commercial Centrifugal Chiller Service in Fontana — Amana

When Fontana enterprises need dependable commercial centrifugal chiller service, they call #1 AC Guys. We optimize, repair, and maintain chiller plants that support Amana air handlers and rooftop units, delivering stable comfort, clean air, and predictable operating costs for warehouses, manufacturing, healthcare, hospitality, and offices across the Inland Empire.

What we service and integrate

• Centrifugal chillers using modern refrigerants (e.g., R‑134a, R‑513A, R‑1233zd(E))
• Cooling towers, condenser‑water and chilled‑water pumps, VFDs, and water treatment interfaces
• Amana commercial HVAC on the airside—RTUs, AHUs, and controls integrated with the chiller loop
• BAS/BMS controls, sensors, and sequence optimization for stable delta‑T and part‑load efficiency
• Electrical systems: starters, soft‑starts, VFD drives, protection relays, and power quality

Preventive maintenance that protects uptime

Our PM programs are engineered to reduce unexpected failures, keep efficiency high, and maintain compliance. We document every task so you always know the condition of your assets.

• Tubes and bundles: mechanical cleaning, eddy‑current testing, and fouling analysis
• Oil and refrigerant: chemistry checks, moisture/acid testing, and proper charge verification
• Vibration and surge: trending, impeller inspection, alignment, and surge mitigation settings
• Controls: sensor calibration, chilled‑water reset, condenser‑water reset, and sequencing
• Water‑side: delta‑T diagnostics, flow verification, and tower approach temperature tuning
• Regulatory: EPA Section 608 leak checks, logbooks, and recordkeeping

Diagnostics and repairs—fast, precise, 24/7

From nuisance trips to major overhauls, our engineers isolate root causes quickly and fix them right the first time.

• Surge and instability correction, including VFD tuning and setpoint strategy
• Leaks located with ultrasonic and electronic methods, then sealed and verified
• Motor, bearings, and lubrication system repairs with factory‑grade practices
• Starter and VFD issues: fault code resolution, component replacement, and commissioning
• Tube leaks, gasket failures, purge unit service, and vacuum integrity restoration

Retrofits and optimization for lower energy spend

We modernize plants serving Amana airside equipment to meet today’s efficiency and sustainability targets.

• Controls upgrades and integration with BAS/BMS for smarter staging and reset strategies
• VFD additions to pumps and towers for deeper part‑load savings
• High‑efficiency refrigerant transitions where applicable, with full documentation
• Heat‑recovery and economizer strategies to reduce boiler and reheat loads
• Title 24 alignment and support for utility incentive applications where available

Why #1 AC Guys for Fontana

• Fourth‑generation family business with 80+ years in engineering experience
• Hands‑on training completed at Fujitsu (Japan), Mitsubishi Electric (Thailand), Midea (China), Gree (China), and Haier (China)
• Engineers who excel at large and complex commercial projects and critical facilities
• Transparent scopes, photos and data in every report, and clear ROI‑driven recommendations
• EPA‑certified technicians, safety‑first procedures, and meticulous jobsite standards

Healthy air is our mission

Chillers are the heart of your building’s comfort and indoor air quality. By stabilizing chilled‑water temperatures, maintaining clean coils and tubes, and coordinating with Amana RTUs and AHUs, we improve occupant comfort, filtration performance, and humidity control—supporting healthier, more productive workplaces.

Local, responsive, and ready

We are based in Los Angeles and serve Fontana and the Inland Empire with rapid dispatch. Our coverage includes Western Riverside County, Los Angeles County, Orange County, and Ventura County—coordinating parts and crews to minimize downtime and keep your operations on schedule.

Let’s plan your next step

Whether you need same‑day repair, a preventive maintenance program, or a plant‑wide optimization that integrates Amana airside equipment, our engineers are ready to help. Request a site visit and we’ll deliver a prioritized action plan with budget options, energy impact, and timelines—so you can make decisions with confidence.

Contact #1 AC Guys now for commercial centrifugal chiller service in Fontana. We’ll keep your plant efficient, compliant, and resilient—season after season.