​Controlled Environment serves industrial customers whose primary interest is in operational quality, productivity and energy savings. The focus market segments are building  automation, life science and high technology, and industrial measurements. 
 
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 and facility HVAC management.
 
Life science and high technology market covers measurement applications in research, production and storage areas where it is crucial to continuously monitor precise environmental conditions. In life science the focus customers are pharmaceutical, biotechnology and medical device companies and related equipment manufacturers, such as test chamber & incubator manufacturers. In high technology market the customers include electronics, semiconductor and battery manufacturers and related equipment manufacturers.

The industrial measurements 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.