Vallox Oy is designing and manufacturing ventilation units for good indoor air. Strong technical knowledge and continuous product development have made Vallox the market leader in Finland. The product range covers heat recovery ventilation units, air distribution system, roof ventilators and cooker hoods and fans. The company was formed in 1987, but ventilation equipment has been produced in the same factory nearly 50 years. Company head office and the production facilities are located in Loimaa, Finland. Approximately 50% of the turnover (EUR 38 million in 2017) comes from the exports. The number of the staff is appr. 150