MacKay Heating & Cooling

Our heating & cooling experts guarantee superior workmanship and services. Apart from basic fixes, we also perform careful inspections of your HVAC equipment, identify issues, and provide long-term solutions. MACKAY Heating & Cooling offers expert AC repair, service & installation, furnace repair & installation, heat pump repair, and mini split repair & installation across the Niagara Region. Our certified HVAC technicians deliver fast, reliable service—day or night—with 24/7 HVAC emergency repair available when you need it most. COMPLETELY CERTIFIED WSIB Clearance Liability Insured Electrical Safety Authority Approved TSSA (Technical Standards Safety Authority) Approved Contractor Licensed Sheet Metal Worker& Customer Sheet Metal Shop