We offer the following product lines from Critical Environment Technologies: Accessories, Calibration Gas Cylinders, Calibration Items, Cgas-a Analog Transmitter, Controllers, Fcs Flexible Control System, Flexible Control System, Pnp Smart Sensor, Product, Products, Pump Unit, Remote Device, Replacement Parts, Self Contained Controller, Self-contained Controllers, Sensor, Transmitters, Yesair.
Below is a highlight of a few of the products. For complete information on products please visit CET's website.


As a known industry leader and innovator for the indoor air quality (IAQ) market, our YES brand IAQ monitors offer quality, reliability, and are well established and accepted worldwide. YES IAQ monitors are designed for short or long term indoor air quality monitoring and include temperature and humidity measurements and data logging, among many other features. For further product information, please visit CET's website.
CETCI’s permanently installed, stationary gas detection systems provide continuous leak detection, flexible field configurations and robust functionality. Self-contained systems, controllers and transmitters (analog, digital and wireless) are installed in commercial HVAC, institutional, municipal and light industrial markets worldwide. Many of these applications are for vehicle exhaust, but areas of specialization include refrigeration and food processing plants, commercial swimming pools, ice arenas, wineries, schools, hospitals, and many more. For further product information, please visit CET's website.