Critical Environment Technologies

Critical Environment Technologies (“CET”) is a world leader in air quality and environmental safety.

CET’s best-in-class family of gas detection and indoor air quality systems is relied upon by global brands like Whole Foods, Porsche, Ford, GM, BMW, Amazon, FedEx, and the Four Seasons.

Sold in all states, provinces, and more than 20 countries globally, our systems are installed in diverse environments—from parkades to arenas, wineries, and schools—ensuring safety and compliance in commercial HVAC, municipal, industrial, and institutional applications worldwide.