Air Exchange Rate

The Air Exchange Rate refers to how many times the air inside a space is replaced with outdoor air within an hour. It measures how effectively a building ventilates to remove indoor pollutants, odors, and moisture. A higher exchange rate means cleaner, fresher air, beneficial for health and comfort, especially in settings like hospitals or offices. It's influenced by heating, ventilation, and air conditioning systems (HVAC), windows, and doors opening. Properly managing this rate helps maintain good indoor air quality, reducing risks of illness and improving overall comfort.