What is a make-up air fan and why should I install one?
A make-up air fan is a fan that supplies fresh air from the outside. They are also known as supply fans or make-up air units. The purpose of a make-up air fan is to replace an amount of air equal to the air you are are exhausting from inside of your kitchen, restaurant or food truck. Having a make-up air supply is typically required by law, but we’re going to give you even more really good reasons why you should have one. Here are our top ten reasons to install a make-up air fan.
