
Gagnon Heating & Air Conditioning, established in 2000, is a trusted provider of residential and small commercial HVAC installation and services. Located in the scenic Sebago Lakes Region, just 45 minutes west of Portland, Maine, the Company has built a strong reputation for quality, reliability, and customer-focused service. In 2025, North Haven Capital acquired Gagnon as part of its strategic entry into the home services sector, forming the foundation of a broader Regional Home Services platform. The company’s founder and original Owner/Operator remains actively involved, supporting the leadership transition as part of his extended retirement strategy, ensuring continuity and long-term success for the business and its customers.