If you’re looking to reduce heating and cooling costs by up to 80%, and air curtain is the perfect solution. An air curtain is a fan powered device that creates an invisible barrier over a doorway to separate 2 environments. That blast of air when you walk into some shops? That’s due to an air curtain. Air curtains protect the inside from winter cold air, summer warm air, draughts, insects, dust, pollen, fumes, and bad odours. By creating this curtain it maintains heating or cooling, a clean atmosphere, and the health of the people inside.