Lennox Appoints Geoff Dethlefsen as President of Building Climate Solutions
PRIVATENov 02, 2026
New to company · from Hammerforce USA“Dethlefsen joined Lennox in 2024 with more than 20 years of leadership experience in industrial manufacturing, strategy, and business operations. Before joining Lennox, he served as President of Hammerforce USA”
Position
Executive Vice President
Company
Lennox International
Geoff Dethlefsen
RichardsonManufacturing
Description
Lennox announces that Joe Nassab will transition to a Strategic Advisor role by the end of 2026, while Geoff Dethlefsen will take over as President of Building Climate Solutions effective January 1, 2027. Nassab has made a significant impact on the company, and Dethlefsen brings extensive leadership experience to his new role.
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Company Information
Company
Lennox International
Location
Richardson, Texas, United States
About
Lennox International Inc. is a leader in climate-control systems headquartered in Richardson. The company is dedicated to providing innovative solutions for heating, ventilation, air conditioning, and refrigeration.
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RichardsonManufacturing