Welcome to MACKAY Heating & Cooling | HOW TO FIND US | GIVE FEEDBACK


MACKAY is still fully operating 24/7. Call us Anytime 905-688-1849.

Also, please note we are taking extra precautions to ensure the safety of all of our customers. By ensuring there is additional cleaning and frequent reminders to our team to keep hands clean, and stay home if recently sick or returning from travel.

Do not hesitate to contact us with any concerns. Thank You.


Heating and Cooling Professionals

Our Story

Meet Our MACKAY Experts

Welcome to MacKay Heating & Cooling —a trusted provider of heating and cooling services in Ontario. We are a one-stop shop for all your HVAC needs. With our help, you can protect your investment while keeping your home safe and comfortable.

Our team aims to offer reliable and efficient HVAC designs as well as installation solutions on schedule and within budget, together with great customer service. We have been catering to the heating and cooling needs in Niagara for several years, earning us a reputation as a company that provides excellent services.

We respect your time and understand your cost concerns. This is why we always work to the best of our ability and even strive to exceed your services expectations. You can count on us to address your HVAC issues, whether big or small; our services even include24/7 emergency response work for your convenience. For your peace of mind, we also offer valuable money-saving services and maintenance contracts.

Look no further for a heating and air conditioning company in Niagra, Ontario. Get in touch with us for additional details.

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Reliable HVAC Services

Trust our team to take care of all your home comfort needs. Our heating and cooling experts in Ontario guarantee superior workmanship and services. Our team has the tools and experience to address your HVAC needs. Apart from basic fixes, however, we also perform careful inspections of your HVAC equipment, identify issues, and provide long-term solutions. We will answer all your questions and provide advice and tips to keep your unit functional for years. We have the certification and training to ensure safe repairs. This way, you can count on a job well done for an extended lifespan of your Air Conditioning unit. We offer the following HVAC solutions:

Forced-Air Furnaces

We conduct regular inspections and repairs to keep your forced-air furnace functioning properly. Together, we’ll establish a routine maintenance schedule to prevent any issues from getting worse.

Air Conditioning

We install, repair, and replace all makes and models of air conditioning brands. We make sure your unit keeps running at optimal efficiency for your safety and comfort.


Our team will help you get your central heating back in order. We can handle everything, from maintaining condensing boilers to performing simple repairs.

Air Cleaners, Filters and Indoor Air Quality Equipment

Count on our team to create healthy conditions with the proper humidity, ventilation, and temperature control. Our services will improve the air quality in your home.

Water Heaters

Trust us to provide repair and replacement services for conventional and tankless water heaters. You’ll enjoy your clean and hot water in no time.

Get in touch with us today to schedule an appointment.