Why Ontario Businesses Choose #1 AC Guys for AC PRO Air Chiller Maintenance
Our 4th‑generation, family-run engineering team brings 80+ years of experience to AC PRO air-cooled chiller maintenance in Ontario, CA. We combine factory training from Fujitsu, Mitsubishi Electric, Midea, Gree, and Haier with commercial best practices to deliver lower kWh, stable capacity under peak loads, and cleaner indoor air. Each visit includes coil and fin restoration, leak checks and charge verification, control and sensor calibration, vibration analysis, and VFD/fan optimization—documented to support Title 24 and your internal audits. Whether you manage retail, industrial, or office space, we schedule around your operations to minimize downtime. Serving Ontario, Los Angeles County, Orange County, Ventura County, and Western Riverside County with fast dispatch, clear communication, and results you can measure.