Handbook Subcommittee | National Air Filtration Association

ASHRAE Handbooks are the root source books for the HVAC&R industry around the world. Information in these books encompasses everything necessary for good application of HVAC&R engineering techniques. The Handbook Subcommittee is charged with adding, revising and updating sections of these books pertaining to air filtration.

Air Filtration Holdings, LLC

Edgewater Funds and Duchossois Capital Management in partnership with Brandon Ost complete the acquisition of Permatron. Edgewater Funds, Duchossois Capital Management and Brandon Ost announced today they have collectively acquired Permatron, a privately held company in Elk Grove Village, IL.

Founded in 1957, Permatron has spent 60 years specializing in custom value-added, application driven air filter solutions for leaders in facilities management, HVACR equipment design and service, original equipment manufacturers, and wholesale distribution industries.

Permatron works with customers in the design and manufacture of air filter components to their precise specifications so they can be integrated and performance-matched for any application. Modeled on ISO9000 processes, the company maintains very high standards of manufacturing and customer satisfaction.

Brandon Ost stated, “We are excited to work with Leslye Sandberg to continue and expand Permatron’s long standing tradition of product innovation and engineering excellence to meet the changing needs of the air filtration and HVACR industries. Permatron is uniquely positioned to be a critical piece of the overall strategy to compete at the world class level of air filtration focusing on changing customer demands for air purity.”

Leslye Sandberg noted, “Permatron’s reputation is built on creative product innovation, specializing in design build, short lead times for custom products and JIT production. As customer requirements expand, so do Permatron’s capabilities. All of our employees are excited about the ability to grow our manufacturing capabilities as well as partner with a group of exceptional filtration companies in support of our customer focused strategy.”

Dave Tolmie, Partner with Edgewater Funds stated, “We are excited to have completed our second acquisition this year and one that accelerates our strategy of bringing innovative and unique products to market. Ms. Sandberg has done a great job growing Permatron and we are excited to partner with her.”

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