Critical Environment Technologies Canada Inc. (CETCI) officially launches the GEM-MRI self-contained oxygen (O₂) monitoring system to their growing product line.

Critical Environment Technologies Canada Inc. (CETCI) announces latest added feature, Calibration Extending Firmware (CEF), to all future developed products.

Critical Environment Technologies Canada Inc. (CETCI) unveiled three new products, Low Power Transmitter (LPT), YES Intelligent Monitoring System (IMS) & PDC Catcher software, at the International Air Conditioning, Heating, and Refrigeration (AHR) Expo in Chicago, Illinois on January 23-25, 2012.

Critical Environment Technologies Canada Inc. (CETCI) has continued to enhance its top selling YESAIR indoor air quality monitor by introducing a new relative humidity (RH) and temperature sensor shroud.

Critical Environment Technologies Canada Inc. (CETCI) will introduce their new Low Power Transmitter (LPT) at the International Air Conditioning, Heating, and Refrigeration (AHR) Expo in Chicago, Illinois from January 23-25, 2012.

Effective September 1, 2011, Critical Environment Technologies Canada Inc. (CETCI) will no longer be manufacturing and selling the non-certified BST BACnet^® transmitter series in an effort to maintain high quality and innovative products. The BST BACnet^® transmitter has now been replaced by the BTL certified PET BACnet^® transmitter.

Critical Environment Technologies Canada Inc. (CETCI) professionally coats the interior of all non-metallic system enclosures with a protective electromagnetic interference (EMI) coating for all their gas detection monitors and selective YES branded air quality instruments. This coating is designed to reduce or eliminate potential EMI and radio frequency interference (RFI).

Since Critical Environment Technologies Canada Inc. (CETCI) launched the Parkade Emissions Transmitter (PET) inSeptember 2010, interests have spiked. PET is a highly competitive and versatile BACnet^® transmitter that is cost effective and is available in five configuration models.

Critical Environment Technologies Canada Inc. (CETCI) has doubled its manufacturing and office space to approximately 11,000 square feet as of December 1, 2010.

Critical Environment Technologies Canada Inc. (CETCI) is excited to announce its new and improved website, www.critical-environment.com, which is to be launched in late November 2010. The new website will merge www.yestek.com with www.critical-environment.com.