NSI Industries has agreed to sell its HVAC division, including Duro Dyne and Supco, to Lennox International for approximately $550 million, enhancing Lennox's product portfolio in the energy-efficient climate control sector.

Information on the Target

NSI Industries, LLC, recognized as a prominent manufacturer and supplier of branded electrical and HVAC components, has reached a definitive agreement to sell its HVAC division, which includes leading brands such as Duro Dyne and Supco, to Lennox International Inc. for approximately $550 million in cash. The deal is projected to finalize in the fourth quarter of 2025, pending relevant regulatory approvals. NSI Industries operates in the United States and Canada, delivering more than 2,000 products to third-party distributors from its headquarters in Huntersville, North Carolina.

The HVAC division under NSI Industries is esteemed for its high quality and extensive product offerings, ensuring it stands as a market leader in providing HVAC components and accessories. Duro Dyne is highlighted for its long-standing reputation of over 70 years in the industry, specializing in mission-critical components, while Supco is recognized for supplying technician-focused performance parts.

Industry Overview in the Target’s Specific Country

The North American HVAC industry, particularly in the United States, is characterized by its robust growth driven by increasing demand for energy-efficient climate control solutions. Co

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Lennox International Inc.

invested in

Duro Dyne and Supco

in 2025

in a Buyout deal

Disclosed details

Transaction Size: $550M

Deal Parameters
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Seller type

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