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

K-Flex USA is proud to announce that the S. Williston Sales Company, LLC will be representing the Insul-Tube® and Insul-Sheet® brand to the HVAC/R market. Their territory will include MA, ME, VT, NH, CT, RI and NY State (except NYC).  In addition to the Insul-Tube / Sheet brands, S. Williston Sales will be introducing new K-Flex USA products such as K-Flex Solar™, K-Flex Clad™ AL and WT, and K-Flex® 360 Insulated Pipe Supports... (more)

"Teamwork between our company and the suppliers has built a strong bond that can solve the needs of the customers using the products we represent. We understand that successful manufacturer and representative relationships depend on open communication and teamwork.  At S. Williston Sales Company we pride ourselves in maintaining long relationships with the manufacturers we represent and our customers."

- Stephen Williston, Founder