Why Fullerton Labs Choose #1 AC Guys
Choosing the right partner for laboratory environmental controls in Fullerton means pairing rigorous engineering with reliable field execution. At #1 AC Guys, our fourth‑generation team combines 80+ years of engineering with factory training from Fujitsu (Japan), Mitsubishi Electric (Thailand), Midea (China), Gree (China), and Haier (China). We deliver stable temperature, humidity, pressurization, and ACH control for ISO cleanrooms, USP 797/800 spaces, BSL areas, and R&D labs. From design‑build and plan/spec delivery to retrofits, commissioning, validation support, and lifecycle maintenance, we tailor solutions to your science, your budget, and Orange County AHJ requirements. When tolerances are tight and downtime is costly, our engineers bring the modeling, submittals, and documentation that help you pass inspections and keep experiments on schedule.