At R. Williamson & Associates, we only partner with the best brands in commercial ventilation equipment. We work with AbsolutAire to provide Chicago and surrounding areas with top quality air systems and parts for clean, fresh air.

AbsolutAire is a leading provider in its industry for advanced HVAC solutions, fan boxes, and specialized products and solutions. They believe in environmentally-friendly air systems being placed in every building or home because everyone deserves unpolluted air.


Heating Make-up Air

• Indirect Fired Heat
• Direct Fired Heat
• Hot Water Heat
• Steam Heat

Untempered Make-up Air

• Filtered Fan Box
• Unfiltered Fan Box

Air Rotation / Recirculation Systems

• Indirect Fired Heat
• Direct Fired Heat
• Hot Water Heat
• Steam Heat
• Chilled Water Cooling
• DX Cooling • Filtered

Custom Air Handling Solutions

• Our team has the resources to provide you with a solution to meet your specific requirements.

Cooled Make-up Air

• Chilled Water Cooling
• DX Cooling
• Evaporative Cooling

Door Heaters

• Direct Gas Fired Door Heaters

Paint Booth / HTLV Heating Systems

• Spray & Bake Paint Systems

Energy & Heat Recovery Systems

• We can provide equipment with heat exchangers designed for recovery of waste heat from facility processes.

Engineering & Service Support Services

• Full Mechanical & Electrical Engineering Services
• Startup & Repair Service

About Absolutaire

Outstanding Service

Teams at both AbsolutAire and R. Williamson & Associates are known to be dependable, experienced, and always helpful. We can help choose products, install systems, and much more based on your needs!

AbsolutAire sticks to their promise of bringing the best customer service and surpassing expectations every time. Their goals include being of the highest value in regards to both production and service, while staying green, cost-effective, and practical.

Our companies work together because we both see the value of high-quality products and team members. Years of experience makes for years of change, constantly improving and designing products based solely on customer demands. One thing that hasn’t changed is the service and quality we provide.

Why R. Williamson & Associates?

R. Williamson & Associates is known for supplying the best of products and commercial fans to Chicago and its surrounding areas. Our employees and service members are experienced, knowledgeable, and loyal in their goal of bringing outstanding service.

We service companies within 100 miles of our location, based in Stokie, Illinois.

Call (847) 674-0000 today and speak to our dependable, experienced team to find the best air flow equipment and products for your company.

absolutaire Applications

AbsolutAire typically provides equipment to industries/companies such as:

  • Heavy industrial
  • Warehouses
  • Painters
  • Kitchens/food services
  • Public buildings
  • Schools and workplaces

Contact Us

R. Williamson & Associates
3334 Main St.
Skokie IL 60076