Why Join Critical Environment?

Critical Environment Technologies (CET) is a leader in the design, manufacture and servicing of gas detection and indoor air quality systems. Our mission “Safer Air Everywhere” has never been more important and drives our world‑class team to do amazing work. Our products can be found in all US States and Canadian Provinces and in more than 20 countries globally. Our devices are installed in commercial HVAC, institutional, municipal and industrial applications including parking facilities, refrigeration plants, commercial swimming pools, water purification plants, arenas, wineries, breweries, wastewater treatment plants and cannabis production facilities. Ongoing R&D ensures that CET’s equipment is at the leading edge of a quickly evolving space and that we have a strong commitment to customer satisfaction, safety and environmental protection.

Our small, collaborative team is passionate about our mission. Our culture is shap...