SWEMA AB is a Swedish HVAC measurement company. SWEMA has over 80 year experience in designing and manufacturing high quality instruments and sensor for air temperature, velocity, pressure difference and draught application. We serve the needs of HVAC companies, universities and transport industries, with applications ranging from pure research to on-site working. In automotive testing area, our products focus on evaluating thermal comfort and air tightness of car body. These two parameters are not so often measured in car manufactory nowadays. However, it could be very important for designer to decrease the car noise and improve passenger comfort.