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.

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EZ Kleen Filters

Controlling air flow throughout your kitchen and facility is crucial, and makeup air supply units are an integral part of the process. They help keep your air pressure balanced, give you better temperature control to keep heating costs down, protects your equipment from damage, and of course, also provides fresh, clean air to building occupants.

That’s why it is so important to keep your makeup air unit running efficiently and effectively. And one great way to do that is by installing EZ Kleen air filters. Continue reading


Make Up Air Supply UnitMakeup air units provide many benefits to commercial kitchens including a more comfortable environment. This helps keep both customers and employees happy. Let’s take a closer look at how makeup air units do this.

What is a commercial kitchen makeup air supply unit?

Most restaurant owners and commercial kitchen personnel focus on what type of commercial kitchen ventilation equipment they will need to remove smoke, grease, and contaminated air. But they don’t always consider how they will replace the air they are removing. Continue reading