Patrick Kilgannon


Patrick Kilgannon is the owner of Custom Air Conditioning & Air Quality, LLC, a residential HVAC company based in Zephyrhills, Florida, serving Hillsborough and Pasco Counties. Licensed by the State of Florida as an Air Conditioning Contractor (License #CAC1814196), Kilgannon has more than 30 years of experience in mechanical systems and HVAC, with a focus on residential retrofits — replacing outdated equipment in existing homes with properly sized, energy-efficient systems.
Over his career, Kilgannon has personally diagnosed and optimized more than 50,000 residential HVAC systems and overseen installation and maintenance on over 100,000 more. He is a TRANE Comfort Specialist Premier Dealer and specializes in Daikin Goodman equipment, with particular expertise in heat load calculations, ductwork design, and building envelope assessment.
Kilgannon is available for media commentary on residential HVAC trends, energy-efficient retrofits, indoor air quality, HVAC maintenance and warranty requirements, and the unique demands Florida’s climate places on home cooling systems.







