Janesville, WI – Rock Energy Systems (“RES” or the “Company”) has been acquired by WILsquare Capital. Hennepin Partners served as Rock Energy System’s exclusive financial advisor and von Briesen & Roper served as legal counsel. Terms of the transaction were not disclosed.

Rock Energy Systems designs, manufactures and distributes highly engineered heating and air movement solutions, serving diverse industrial and commercial customers through a differentiated multi-brand, multi-channel model. The Company’s market leading brands consist of Lanair Products, Clean Burn, EnergyLogic and Sunfire, with each catering to specific customer types and channels-to-market. This versatile go-to-market platform allows RES to sell direct-to-consumer, through distributors, dealers and resellers and via export. The Company’s offering of solutions provides climate comfort across various industrial and commercial settings and include heaters and boilers, high volume low speed fans, energy efficient portable heaters and related parts and service.

“Hennepin has been nothing short of amazing from start to finish. The Hennepin team was always positive, patient, and an impressive force as they navigated our team throughout the sale process. From data gathering to strategy to execution, I could not be happier with the choice I made when picking Hennepin,” said Barry Brandt, CEO & Owner of Rock Energy Systems. “They lived up to and delivered just as they said they would – and more,” added Jeff Townsend, President of Rock Energy Systems.

“We are thrilled to partner with Jeff and the entire Rock Energy team. Through the Company’s devotion to quality and support for its customers, the RES portfolio of products and brands have become the standard in alternative oil-powered heating systems,” said Drew Caylor, Managing Director at WILsquare Capital. “A culture of innovation defines RES. The Company continues to invest in its team and the development of new products across a wide range of use cases,” said Jack Randazzo, Director at WILsquare Capital. “We are very excited to be a part of their next phase of growth.”