Controlled Environment serves industrial customers whose primary interest is in operational quality, productivity and energy savings. The focus market segments are building  automation, cleanrooms and  chambers and targeted industrial  applications. 
 
In building automation Vaisala offers instruments for control and optimization of indoor heating, ventilating and air conditioning (HVAC) systems in buildings. Energy optimization and indoor air quality are the driving forces in this market segment. The main customer groups are building automation system OEMs, integrators and contractors, distribution channel as well as facility HVAC management.
 
Cleanrooms and chambers market covers measurement applications in tightly controlled, demanding research and production areas where it is crucial to monitor and control air contamination levels and precise environmental conditions. The customers Vaisala serves include life science and food industry end users, hi-tech end users, cleanroom contractors and suppliers, and chamber & incubator manufacturers.

The targeted industrial applications market includes customers in selected demanding applications in industrial processes and equipment manufacturing.These applications include compressed air and drying, industrial ovens and heat treatment processes, process inlet air monitoring, insulation of high voltage equipment, lubrication and hydraulic systems.