Safer Air
Everywhere.
Industry-leading gas detection systems protecting parking garages, warehouses, data centers, chiller rooms, and hundreds of other critical environments.
Leader in Gas Detection
Protecting critical environments across diverse industries with cutting-edge detection technology.
Trusted by The Best
Our gas detection systems are installed in facilities of the world's leading brands across automotive, hospitality, retail, and education industries.
Our Products
Industry-leading equipment from single, standalone gas detectors to complex, multichannel detection systems.
Critical Environment Technologies
Critical Environment Technologies is a leader in the design, manufacture & service of gas detection and indoor air quality systems. We've developed more than 100 different products that are sold in all states & provinces and can be found in more than 20 countries globally. Ongoing product development ensures our equipment is at the leading edge of a rapidly evolving space. We maintain a strong commitment to customer satisfaction, health, safety and environmental protection.
Why CET?
- Safe: Experts in Gas Detection
- Reliable: Products That Just Work
- Service: Leading in Customer Support
- Simple: Easy to Install & Maintain