Make Up Air Unit

What is a Make-up Air Unit?

Make-up Air unit is designed to replace or “make up” the air in an interior space that has been removed by process and/or general exhaust equipment. This type of HVAC solution pulls in fresh air from outside your building to replace the air that is being exhausted. Our offering of these units are as versatile as it is complete.

Make-Up Air Applications and Features

Some make up air unit applications require basic untempered replacement air and others carry a demand for tempered solutions. At We Sell Fans, we offer both untempered and tempered solutions to satisfy any application. Because every application is a little different, we also offer a variety of styles and configurations. Our air handling units can be powered with an axial fan or a centrifugal blower to satisfy a broad range of static pressures.

Heating Options: Direct Fired Gas / Indirect Fired Gas / Electric / Steam / Hot Water

Cooling Options: DX / Chilled Water / Evaporative Cooling

Multiple Mounting Configurations: Horizontal / Vertical / Up blast / Down blast / Indoors / Outdoors

Air Movement Range: 1 cfm to 250,000 cfm 


We supply our systems to a variety of different industrial and commercial facilities. Make-up air systems improve facility air quality which is perfect for industries with greater ventilation needs. Some industries that often require make-up air systems include:


At We Sell Fans we offer the best products from a variety of manufactures, each providing a unique solution for your unique application. Some manufacturers we work with for Make-up air equipment includes AbsolutAire, FloAire, and Venco Ventilation.

absoluteaire make up air


Setting the standard for leadership in direct-fired "total air management" systems. AbsolutAire is meeting today’s needs for cost-effective make-up air, as well as for efficient heating and ventilating.



Manufacturing quality products to meet the needs of the ventilation industry for 35 years. Continuing to invest into research and testing to improve the efficiency of our make up air units.

moffitt ventilation

Moffitt Corporation

Moffitt Corporation designs, manufactures, and installs ventilation equipment. The Moffitt team serves facilities ranging from commercial and institutional to heavy industrial.

Make-up Air Gallery