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Majority stake Announced Aug 2025 Verified

Lennox to acquire HVAC division of NSI Industries from Sentinel Capital Partners for ~$550M

Relationship map

Relationship map for Lennox to acquire HVAC division of NSI Industries from Sentinel Capital Partners for ~$550Mbacksparent ofSentinel Capital Partners: Pe FirmSCSentinel Capital Part…Lennox International: StrategicLILennox InternationalNSI Industries: PlatformNSI Industries
Pe FirmPlatformStrategic

Parties

Acquirer
Lennox International
Strategic
Target
NSI Industries
Platform
Sponsor
Sentinel Capital Partners
Pe Firm

Market signals

Deal value$550M reported total consideration · approximate as reported by contractingbusiness.com

Figures marked reported are drawn from a single or secondary source and are not independently confirmed. All figures are presented as reported, see Methodology.

Summary

Lennox signed a definitive agreement to purchase the HVAC division of NSI Industries from PE firm Sentinel Capital Partners for approximately $550 million, including Duro Dyne and Supco brands. Expected to close Q4 2025.

Primary source