About Us

Stephen Williston is the founder and President of S. Williston Sales. His experience is a culmination of over 25 years representing major HVAC/R Corporations and over 30 years in business, management and sales. Stephen is a graduate of Providence College, holds numerous certifications including Executive Management Proficiency Training, MANA Rep Agency Operations Training, EEBA associate HERS rating and Corporate training programs specific to each manufacturer. He is a proud member of the Manufacturers’ Agents National Association (MANA), Heating, Air-conditioning, Refrigeration Distributors International (HARDI), and Association of Independent Manufacturers’/ Representatives (AIM/R), and the Maine Indoor Air Quality Council.



What We Offer

S. Williston Sales Company represents the following Manufacturers: - Aeroex - IRIS Brand - Broan Nutone - Energy Saving Products (Hi-Velocity Systems) - Parker/Purolator - Packard - Mastercool - Eaton B-Line series - Klein Tools


Virtual Booth Representative




(401) 465-9855

Virtual Booth Representative




(224) 422-0304

Product/Services Information

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Company Info


S Williston Sales: Williston Air Solutions

200 Circuit Dr North

Kingstown RI 02852

(401) 667-7975

Maine Indoor Air Quality Council
PO Box 2438

Augusta, Maine  04338-2438

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