Gagne Heating & Air Conditioning

Gagne Heating & Air Conditioning has built a near-perfect reputation in Alpharetta, Georgia, earning a 4.9 rating across 1,657 reviews as a full-service residential and commercial HVAC contractor. The company handles air conditioning and heating installations, repairs, and tune-ups, while also offering commercial HVAC maintenance programs. Serving Alpharetta and surrounding communities, they maintain weekday hours from 7 AM to 6 PM with Saturday availability from 9 AM to 6 PM.

What distinguishes Gagne from typical contractors is their systematic approach to installation and customer education. Their Comfort Club membership program provides ongoing maintenance, while their financing options makenew system purchases accessible. The review text reveals their preference for Daikin furnaces featuring stainless steel heat exchangers, which carry a lifetime warranty and resist cracking that could lead to carbon monoxide exposure. Technicians routinely future-proof systems to mate with inverter AC units when future replacement becomes necessary.

Homeowners consistently mention specific technicians who delivered exceptional service. Reviewer Justin Sirrine described a comprehensive installation involving Rick who provided detailed quotes and educational materials about HVAC due diligence, followed by John, Rusty, Tyler, and Philip executing what he called a beautiful and functional installation. The team included unprompted enhancements like dampers in the plenum box, proper mastic sealing on all connections instead of duct tape, and thoughtful humidifier installation with copper line routing and metal anchoring to prevent galvanic corrosion.