MACKAY Heating & Cooling

MACKAY Heating & Cooling has been a trusted HVAC services provider in Ontario's Niagara region since 1967. We provide complete heating, cooling, and indoor air quality services, including installation, repair, and maintenance for furnaces, air conditioners, water heaters, and more. Our priority is customer satisfaction and reliable emergency support. With over 50 years of experience in the Niagara Region, we service and repair any brand or all major brands of furnaces, AC units, heat pumps, and mini-splits. Our technicians are certified gas fitters in Ontario, fully insured, and bonded for your peace of mind.