Ventilation Solutions

Custom Solutions

Environmental Separation Solutions

Ventilation Solutions

Heating Solutions

Ventilation Solutions

Custom Solutions

Environmental Separation Solutions

Ventilation Solutions

Heating Solutions

Ventilation Solutions

Custom Solutions

Environmental Separation Solutions

Ventilation Solutions

Heating Solutions

Ventilation Solutions

Custom Solutions

Environmental Separation Solutions

Ventilation Solutions

Heating Solutions

Innovative, Efficient, Effective

Commercial & Industrial

PRODUCTS

Coolant mist a problem?
Let’s get rid of it!

R. Williamson & Assoc. – Since 1882

Industrial Ventilation Equipment

UV Disinfectant Light

Learn how adding industrial UV-C lights to air conditioners and commercial HVAC units can sanitize the air. Therefore disinfecting surfaces & eliminating coronavirus without chemicals.

Make-Up Air Unit

Air handling units, such as make up air, introduce fresh air to every commercial & industrial application. Many models available, such as electric, direct gas-fired and indirect gas-fired. Parts like dampers and vents are available as well.

Air Curtains

Air curtains create safe, comfortable commercial & industrial environments. Air curtains are suitable for restaurants, outdoor or exterior areas, warehouses, distribution centers and many more applications.

Dust Collectors

Dust collection systems, such as cyclone dust extractor kits are essential for industrial work environments. Whether collecting welding, laser or general fumes, a mist collector is imperative.

Ductwork

We supply proper ductwork for HVAC air ducts. Industrial ductwork along with clamp fittings flanges. Metal ducts for spiral duct systems and furnace ducts are available too.

Industrial Fans

Whether you’re seeking agricultural exhaust fans, HVLS ceiling fans, or centrifugal fans, we’ve got you covered. We provide commercial roof exhaust fans built by trusted USA manufacturers, ensuring lasting performance for your ventilation needs.

As Seen On

Commercial Ventilation Equipment

Innovative, Efficient & Effective
Made in the USA

R. Williamson & Associates, llc

Serving Industry with Professional Ventilation Solutions Since 1882

INDUSTRIAL GRADE VENTILATION

For more than 135 years we've provided industries with commercial & industrial ventilation equipment. HVLS fans, axial Blowers, commercial ceiling fans, natural ventilation systems, cyclone air cleaners, make-up air unit, air door units, ductwork, air filters, centrifugal fans, & more!

DESIGN
INSTALLATION
MAINTENANCE
WARRANTY

We offer professional design, installation and maintenance services for all of the equipment that we offer.
We also offer the industry's best warranties to provide you with confidence in your decision.

RELATIONSHIPS

We pride ourselves on maintaining long lasting relationships with both our customers and our suppliers. These relationships provide the confidence on all sides to allow every project to run smoothly.

DELIVERY

All of our products are made right here in the U.S.A.
Many products are in stock and can be provided in as little as 24 hours to Illinois, Wisconsin, and Indiana. Our goal is to provide you with a perfect solution in the shortest amount of time.