Lennox completes acquisition of nsi industries' hvac division

Lennox expands hvac parts and supplies portfolio with the durodyne and supco brands to better serve residential and commercial customers dallas , oct. 16, 2025 /prnewswire/ -- lennox (nyse: lii), a leader in energy-efficient climate control solutions, today announced that it has completed the purchase of the hvac division of nsi industries, including the duro dyne and supco brand platforms. "this acquisition enhances our ability to support residential and commercial customers throughout the entire hvac value chain," said alok maskara, chief executive officer of lennox.
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