1000940959 Ontario Corp o/a MacKay Heating and CoolingHVAC Services in ST. CATHERINES

1000940959 Ontario Corp o/a MacKay Heating and Cooling specializes in Carrier HVAC installation, repair, and maintenance. Proudly serving ST. CATHERINES and the surrounding areas, we deliver reliable HVAC solutions to meet your home's needs.

Book an Appointment

(289) 273-0545

2517 FIRST ST. LOUTH

ST. CATHERINES ON L2R6P7

Experience and Certifications

Cool Cash
We participate in Carrier Cool Cash rebates. With the support of Carrier, during select times of the year Cool Cash rebates might be available when you purchase a qualified Carrier heating and cooling system.

HVAC Repair and Installation Services

Air Conditioner Repair & Service
We specialize in fast, reliable air conditioner repair and service to keep your home cool and comfortable. Whether it’s a minor fix or a major repair, we're here to ensure your AC runs smoothly when you need it most.
Furnace Repair & Service
We provide expert furnace repair and service. Our skilled technicians are ready to quickly diagnose and resolve any issues, keeping your home warm and comfortable year-round.
HVAC System Installation
We provide expert HVAC installation to keep your home comfortable year-round. Whether you're replacing your current system or installing HVAC for the first time, we'll help you choose the right solution for your needs and handle the installation with precision and care.
HVAC Maintenance
We offer annual HVAC maintenance to keep your system running efficiently and help prevent unexpected breakdowns. Through a thorough inspection and tune-up, we ensure your heating and cooling system is ready to keep you comfortable all year long.