Why Gas Detection Matters in Places Meant for Play
While guests are focused on their laps around the pool or personal bests on the treadmill, gas detectors are focused on something else entirely: the air they are breathing.
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30 Years of Excellence
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
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Warehouses
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Data Centers
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Ice Arenas
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Boiler Rooms
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Hospitals
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Schools
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Hotels
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Wineries
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Emergency Vehicle Bays
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Vehicle Service Bays
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Chiller Rooms
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CO₂ Enrichment
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Fleet & Bus Depots
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Wastewater Treatment
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Our Products
Industry-leading equipment from single, standalone gas detectors to complex, multichannel detection systems.
Controllers
Intelligent control systems for comprehensive facility management
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Gas Detectors & Sensors
Advanced gas detection and sensing solutions for critical environments
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Remote Devices & Peripherals
Connected devices for extended monitoring and control capabilities
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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
Latest from CET
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Hidden Air Quality Risks in Transit Environments
Beneath busy cities and inside bus terminals, even small concentrations of CO, NO₂ can accumulate quickly, creating hidden air quality risks that most commuters never see coming.
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When Gas Detection Drives Ventilation: Smarter, Safer, More Efficient Buildings
When gas detection systems are integrated correctly, they become the intelligence layer that drives ventilation, improving safety, reducing energy use, and extending equipment life.
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