Gagnon Heating & Air Conditioning is engaged in provision of residential and light commercial HVAC installation and services, specializing in geothermal and energy-efficient systems. Located in the Sebago Lakes Region of Maine, the Company has established a regional reputation for quality and reliability since its founding in 2000. In 2025, North Haven Capital acquired Gagnon to serve as the foundational investment for its regional home services platform. To ensure operational continuity, the Founder and original owner-operator remains actively involved, supporting the leadership transition as part of an extended retirement strategy.
