S. Williston Sales Company is a Manufacturers' Representative agency in the HVAC/R industry, dedicated to providing the next generation of sales, service and support to wholesale distributors in New England and upstate New York. As a second generation Manufacturers' Representative we are committed to providing top quality service while associating ourselves with only the finest manufacturers and products. We strive to be the market leader and set the standard in our industry. We  pride ourselves on our expertise, quality of work, and loyalty to our customers.

S. Williston Sales Company has extensive experience in selling residential and commercial HVAC/R equipment, tools and accessories for installation and maintenance. This includes: refrigeration compressors and condensing units, unit coolers, chillers, metal strut and pipe hanging systems, fasteners, indoor air quality, controls, electrical components, tools and test instruments. Additionally, our experience encompasses selling duct work accessories, registers, diffusers, grilles, tapes, sealants, adhesives, combustion venting products as well as specialty chemicals. 

Please explore our website to learn more about our company and how we can help you!

  News

S. Williston Sales is proud to announce it's representing new lines including Cambridge Resources, NDL, Pro1IAQ, and Vapco... (more)

Hot Products in Focus!

Pro1 IAQ Programmable Thermostats with Touchscreen

Tecumseh's Fractional HP Indoor Air-Cooled CDU "CELSEON"