R. Williamson & Associates is a leading supplier of commercial fans, airflow system parts, products, and equipment. We work closely with brands like Nordfab because we believe in bringing the best quality parts and services.

Nordfab Ducting is well-known as a world-leading ducting provider. Their ducting systems are clamp together, making for a quicker installation. They also provide reliability and outstanding customer service.

Serving the Chicago area with commercial fans and industrial fan parts is our specialty, and Nordfab is a brand we are proud to partner with.


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


Outstanding Service

Both the teams at R. Williamson & Associates and Nordfab Ducting take pride in being experienced, knowledgeable, and dependable. Whatever the need may be, we will take every measure to supply and exceed your expectations.

Nordfab believes in producing top-quality equipment while keeping their vision. They look to bring a more effective, time-saving solution to the industry, and many have switched over to their clamp together systems.

From product selection to installation to replacements, our experienced customer service team will lead the way to exactly what your business needs.

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 to bring outstanding service.

Contact R. Williamson & Associates today to find a product that meets your needs.

NORDFAB Applications

Nordfab carries a wide variety of products from clamping and flanged ducting to laser welding straight pipe and fittings.

Using only the best materials, such as stainless steel, and a variety of sizes/gauges, Nordfab has grown into a known, reliable source of ducting systems and much more. R. Williamson & Associates distributes these high-quality products produced at Nordfab to Chicago and the surrounding areas.

Some applications of their products include:

  • Boat builders
  • Wood dusts
  • Cement producers
  • Agricultural ducts
  • Manufacturers
  • Exhausts
  • Recycling

What is so great about Nordfab? Their systems are:

  • Reusable
  • Adaptable to existing systems
  • Half the time of regular installations
  • Usable for abrasive applications

Contact Us

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