Swegon: displacement ventilation - a forgotten concept with huge potential

Have you ever wondered why some indoor environments cause discomfort and draughts despite being a large and open space, a classroom for instance? As experts in the industry of heating, ventilation and air conditioning (HVAC) the above is an obvious example of when the selection of ventilation system has been unsuccessful. But, what should be chosen to promote well-being and productivity in large indoor environments? An almost forgotten ventilation principle from the 1970s might be the key. Let me, Welat Han, Product Manager and Business Development, tell you more.