
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.
Parking Garages
Warehouses
Data Centers
Ice Arenas
Boiler Rooms
Hospitals
Schools
Hotels
Welding Shops
Transit Facilities
Indoor Air Quality
Distilleries
Battery Charging
Grow Rooms
Chiller Rooms
Our Products
Industry-leading equipment from single, standalone gas detectors to complex, multichannel detection systems.
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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