Lennox to Acquire NSI Industries' HVAC Division from Sentinel Capital Partners

Lennox has signed a definitive agreement to purchase the HVAC division of NSI Industries, including brands Duro Dyne and Supco, from private equity firm Sentinel Capital Partners for approximately $550 million. The deal is expected to close in Q4 2025.

“Lennox announced today it has signed a definitive agreement to purchase the HVAC division of NSI Industries from Sentinel Capital Partners for approximately $550 million.”

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