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.
Great job from start to finish. Your staff was competent and very co-operative, even worked late to make sure we had heat for the night. Many thanks!

Service was prompt and professional. Marty paid attention to every detail. We are very pleased with all aspects of quotes and installation.

Fast, efficient, knowledgeable servicemen, cleaned up area, polite and answered all questions. Adam and Mike are highly recommended.

Professional, service, willing to take the time to answer our questions, thoroughly and courtesy installations staff, honest. Quality workmanship and sound technical background to support their “talk”. Thank you Andrew for the excellent work!




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.
Boilers
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.
RESIDENTIAL, COMMERCIAL, INDUSTRIAL AND INSTITUTIONAL HEATING, COOLING AND INDOOR AIR QUALITY SINCE 1967
Meet Our Work Family

Andrew Blom
Commercial Journeyman / President

Jamie Blom
CEO / Vice President

Darryl Meisel
Commercial Journeyman

Kyle Doherty
Journeyman

Holly Maier
General Manager

Andrew Cashmore
Journeyman

Fred Poirier
Journeyman / Sales

Peter Hillman
Journeyman / Sales

Zack Blom
Apprentice

Adam Sawatsky
Journeyman

Dave Lounsbury
Apprentice

Marueen Newell
Dispatcher

Easton Hannahson
Apprentice

Donny McOustra
Journeyman

Chad Carter
Journeyman

Mabon Accounting Services
Accountant