Precision Environmental Controls for Commercial Labs in Fontana
#1 AC Guys engineers deliver rock‑solid control of temperature, humidity, pressurization, airflow, and filtration for cleanrooms, BSL spaces, pharma and biotech suites, testing labs, and university facilities. We provide design‑build and plan‑and‑spec execution, retrofit upgrades, commissioning, validation support, and 24/7 service. Our team integrates AC PRO–supplied air handlers, filtration, and control components, plus advanced monitoring and alarms for audit‑ready reporting. Backed by 80+ years of engineering across four generations, factory‑educated at Fujitsu (Japan), Mitsubishi Electric (Thailand), Midea (China), Gree (China), and Haier (China), we excel at complex, mission‑critical projects. Local to Fontana and the greater Los Angeles area, we respond fast with transparent pricing, safety‑first practices, and a clear focus on healthy indoor air for healthy work and reliable science.