Dallas, Texas — Lennox International has signed an agreement to acquire NSI Industries’ HVAC division, which includes Duro Dyne and Supco, from Sentinel Capital Partners for around $550 million.
Based in Huntersville, North Carolina, NSI Industries manufactures electrical and network infrastructure products.
“This acquisition strengthens our ability to deliver complete lifecycle solutions for residential and commercial customers and reinforces our position as a one-stop partner for the HVAC industry,” said Alok Maskara, chief executive officer of Lennox.
Lennox adds in its press release that, “Duro Dyne and Supco offer a robust product portfolio of HVAC parts and supplies that complement Lennox’s current residential and commercial HVAC products with distribution and manufacturing sites across the USA and Canada.”
This acquisition is expected to close in the fourth quarter of 2025.