Fullerton Commercial Air Chiller Experts
As a fourth‑generation family business serving Fullerton and Orange County, #1 AC Guys delivers engineering‑grade commercial air chiller solutions—design‑build, retrofit, repair, and maintenance. With 80+ years in engineering, we optimize air‑ and water‑cooled chillers, pumps, cooling towers, and controls for stable comfort, process cooling, and healthy indoor air. Our factory‑trained team (Fujitsu—Japan; Mitsubishi Elektrik—Thailand; Midea, Gree, Hier—China) handles complex central plants and multi‑site portfolios with speed, clarity, and code‑compliant workmanship. From load studies and commissioning to emergency response and predictive maintenance, we keep your facility efficient, reliable, and ready for growth in Fullerton.