Dectron Internationale Inc. is a global provider of highly-engineered Custom and Semi-Custom IAQ (Indoor Air Quality) and HVAC (Heating, Ventilation & Air Conditioning) products and services catering to the Building Systems, Food Processing, Medical, Petrochemical, Recreation, Hospitality, and Telecommunications industries. Its main subsidiaries, Dectron Inc. and Circul-Aire Inc., specialize in dehumidification, precision air conditioning and air purification systems.