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Make Up Air & Supply Fans

Looking for supply air fans for your restaurant or food-service establishment? Here at Rapids Wholesale, you can choose from air supply fans and supply plenum units. Depending on your preference and your business establishment's requirements, you can select from either supply/make up air or tempered make up air.

What Are Make Up Air Fans?

A make-up fan replaces the air that is expelled by a building's exhaust system, thereby helping to maintain the proper balance between inside and outside air pressures. Make up air fans also improve indoor air quality, promote proper operation of exhaust systems, lower energy costs by as much as 35 percent, reduce draft or infiltration of cold air into the establishment through opened doors, and help maintain a more productive and comfortable working environment for your kitchen or food-service staff.

A supply plenum is one of the components of exhaust hoods. It provides make up air where needed while minimizing the amount of air that diffuses into the space, thus decreasing HVAC load and utility costs. Our supply plenum units also assist in capturing and containing cooking vapors, especially in busy commercial kitchens.

How Do Supply Air Fans Work?

The make up air fans take in fresh air, which passes through a bank of filters to remove dust and other contaminants. The amount of fresh air brought in is then regulated by a component known as a dampers. An actuator then opens the dampers to various degrees, which depends on how much fresh air is needed at a given time.

In a heating application, the passing air is then efficiently heated by a direct-fired gas burner. The heated air is then either directly blown into a space in your food-service establishment or can be ducted to target locations inside your restaurant through the air distribution system.

Get Your Make Up Air Fan and HVAC Supply Plenum Here at Rapids Wholesale

Here at Rapids Wholesale, you can choose from air supply fans and supply plenum units. Depending on your preference and your business establishment's requirements, you can select from either supply/make up air or tempered make up air.

Our tempered and untempered air supply fan units are direct gas-fired for use in tempering make up air. They also feature a fully insulated cabinet, redundant safety controls, motorized backdraft damper and stainless-steel burner.

In addition, they are easily accessible to all components for inspection, maintenance, and cleaning. However, they are not recommended for application with air temperatures of 23 degrees Fahrenheit or less.

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