Tempered Make-Up Air Units
Official representative of industry leading make-up air units backed by industry leading warranties.
From commercial to industrial applications; we know how to make up air.
Direct Gas-Fired Make Up Air
Direct Gas Fired heated Make up Air equipment is the most efficient and cost effective means of heating a commercial, restaurant, warehouse, distribution center and/or industrial space.
Indirect Gas-Fired Make Up Air
Indirect Gas Fired Make Up equipment provides clean, tempered air free of products of combustion. Suitable for residential, commercial and/or industrial applications.
Electric Heated Make Up Air
Electric heated Make Up Air equipment provides clean air indoors. Suitable for residential, commercial and/or industrial applications. Often used for explosive environments.
Steam Heated Make Up Air
Steam heated Make Up Air equipment provides clean air indoors. Suitable for residential, commercial and/or industrial applications. Often used for explosive environments.
Hot Water Heated Make Up Air
Hot Water heated Make Up Air equipment provides clean air indoors. Suitable for residential, commercial and/or industrial applications. Often used for explosive environments.
DX Cooling Make Up Air
DX Cooled Make Up Air equipment provides clean, cool air. Suitable for residential, commercial and/or industrial applications.

Chilled Water Make Up Air
Chilled Water Cooled Make Up Air equipment provides clean, cool air. Suitable for commercial and/or industrial applications.

Evaporative Cooled Make Up Air
Evaporative Cooling Make Up Air equipment provides clean, cool air. Suitable for commercial and/or industrial applications. Best suited for a hot, dry environment.

Ammonia Cooled Make Up Air
Ammonia Cooled Make Up Air equipment provides clean, cool air. Suitable for commercial and/or industrial applications.

Heated & Cooled Make Up Air
Much of the Make Up Air equipment that we provide can be supplied with a combination of any of the heating and cooling options.

DOAS - Dedicated Outdoor Air Systems
DOAS units include both Indirect gas fired heat and DX cooling in a small package. These units are often used in residential and/or commercial applications.

Rooftop HVAC Systems
Traditional Rooftop HVAC systems include both indirect gas fired and DX cooling. Often designed for recirculation with an economizer function, this equipment can serve residential, commercial and/or industrial applications.
Untempered Make-Up Air Units
Designed to make up exhausted air and frequently change air indoors.

Unheated Make Up Air
Unheated Make Up Air generally services high heat applications in the restaurant, commercial and/or industrial markets.

Gravity Unheated Makeup Air
Gravity Unheated Make Up Air is often coupled with powered exhaust to create a cost effective make up air solution. Most commonly louvers and dampers, this equipment serves the commercial and/or industrial markets.

Recirculating Makeup Air
Recirculating Make Up Air provides an efficient and cost effective means of creating air circulation within a space. This promotes a more consistent temperature throughout residential, commercial and industrial spaces.
Custom Make-Up Air Units Available
Custom designed to fit any application specifications.
Industry Leading Warranties
Contact an official representative to find out which make-up air unit is best for your application.
Providing Make-Up Air Units Since 1955
Providing a large selection of make-up air units from several manufacturers to ensure the best ventilation equipment is implemented across all industries.
- A Century of Experience
- Nationwide Shipping
- Service Throughout the Midwest
- Powerful Solutions
- From Product Sales to Equipment Education & Everything In-between
We sell make-up air units
Direct-Fired heater use doesn’t waste any of the combustible gasses when heating air. This alone allows direct-fired make-up air units to be more efficient than indirect-fired heaters.