Just imagine you walk into a warehouse, hospital, or retail store, and you are met by a strong fanless column of air. That’s the job of an air curtain. It is mounted over an open doorway and projects a directed air stream down the door which forms an invisible barrier. That lowers unwanted entry of external air, dust, bugs, or contaminants. As you decrease that infiltration, you keep the inside cleaner. Read More: https://writeupcafe.com/why-air-curtains-are-a-must-for-maintaining-clean-and-energy-efficient-spaces