Our Blog

Maximizing Comfort and Safety: Mackay Heating and Cooling's HVAC Maintenance Guide in Niagara, Ontario

Introduction: At Mackay Heating and Cooling in scenic Niagara, Ontario, we understand the significance of keeping your HVAC system in top-notch condition. Our comprehensive HVAC maintenance services are designed to ensure not only your comfort but also your safety. In this article, we'll explore the key aspects of HVAC maintenance, why it matters, and how […]

New Report Shows a Canadian shift from Air Conditioners to Heat Pumps

New report promotes Canadian shift from Air Conditioners to Heat Pumps By HPAC Magazine August 30, 2023 Cooling Heat Pumps Heating HPAC General HVAC Systems The Cool Way to Heat Homes: installing heat pumps instead of air conditioners in Canada, was developed by the Building Decarbonization Alliance, Canadian Climate Institute, Efficiency Canada, and Greenhouse Institute. Installing heat […]

MACKAY HEATING TRAINING. to provide you with WORLD CLASS SERVICE, MAINTENACE, REPAIR & INSTALLATIONS of Heating Ventilating Air Conditioning g

I want to thank all these LEGACY leaving TALENTS again and right now!!!!! Know how great it is to go to the dentist and the hygienist stops to tell me how great my STAFF ARE AND WERE IN HER HOME?!!!!!! Have any idea how proud I am when she tells me in full detail […]

St. Catharines Climate: Understanding Temperature Trends and Heating/Cooling Needs

St. Catharines, located in the Niagara Region of Ontario, experiences a typical Canadian climate, characterized by cold winters and warm summers. As such, it is important for residents of the area to have efficient heating and cooling systems in their homes to maintain a comfortable living environment throughout the year. In this article, we will […]

Heating or Cooling?

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Heating Care
We conduct regular inspections and repairs to keep your forced-air furnace functioning efficiently.
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Cooling Care
We make sure your unit keeps running at optimal efficiency for your safety, comfort and peace of mind
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Water Heaters
(Tankless & Convetional)
Hot water when you need it and fresh water when you want! Trust us to provide repair and replacement services.
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Boilers & Furnaces
Our team will help you get your central
heating back in order. We can handle everything, from boilers to furnaces.
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Cleaners, Filters
& Indoor Air Quality
Clean air is essential for good health, and this is especially true when it comes to indoor air. Our team will ensure your home's air is clean!
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Here for your family’s comfort since 1967

Operating 50+ Years

Our heating and 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.

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Emergency Service

We provide 24/7 emergency response work for your convenience.

Book your service at anytime. Online or over the phone.

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A1 Customer Service

Our Customers are our #1 priority. We provide OPTIONS not Ultimatums. We will answer all your questions and provide advice & tips to keep your unit functional for years. We have the certification and training to ensure safe repairs.

OUR PROMISE ›

Easy Financing, with Financeit!

Financeit has helped homeowners just like you afford the improvements they need. Fast and fair payment solutions and approvals within minutes!

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Niagara's BEST choice for Heating & Cooling Services

We are MACKAY Heating & Cooling — a trusted provider of heating and cooling services in Ontario since 1967. We're your one-stop shop for all your HVAC needs.

With our help, you can protect your investment while keeping your home safe and comfortable.

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(905) 688-1849

Mackay Heating & Cooling - 2517 First Street Louth, St. Catharines, ON L2R 6P7

Our Blog

Maximizing Comfort and Safety: Mackay Heating and Cooling's HVAC Maintenance Guide in Niagara, Ontario

New Report Shows a Canadian shift from Air Conditioners to Heat Pumps

MACKAY HEATING TRAINING. to provide you with WORLD CLASS SERVICE, MAINTENACE, REPAIR & INSTALLATIONS of Heating Ventilating Air Conditioning g

It Eliminated Zack’s Childhood Asthma

7 Signs That Your Air Conditioner needs Repair

A shout out from kellys’ desk!! (Written by Jamie Blom)

Outstanding $$$ and Furnace Lifespan Savings

Technician Training

MACK

Managers on site

From the owners!

REBATES REBATES REBATES

Jamie 60th and Zack’s 27 the today! Happy Birthday to you Both!

The Air Purifier for Pet Hair: All You Need to Know!

How to control seasonal allergies

IQAir introduces PerfectPro Whole House Air Purifier Series

He used to wear kitty caps ! 😁

Practical Tips to Living an Abundant Life, ~ Dr. joe Dispenza

Jamie explains her love for our Customers

HEAT PUMPS can get you a $6500 Gov’t Rebate

School is Out, Air Conditioning Sale !

MacKay Heating and Cooling

MacKay Heating and Cooling serves the Niagara region

A 5 star Review from a Customer in Thorold

Happy Father's Day

St. Catharines Climate: Understanding Temperature Trends and Heating/Cooling Needs

Heating or Cooling?

We're Here to Help!

Heating Care

Cooling Care

Water Heaters(Tankless & Convetional)

Boilers & Furnaces

Cleaners, Filters& Indoor Air Quality

Here for your family’s comfort since 1967

Operating 50+ Years

Emergency Service

A1 Customer Service

Easy Financing, with Financeit!

Niagara's BEST choice for Heating & Cooling Services

MORE INFORMATION

Water Heaters
(Tankless & Convetional)

Cleaners, Filters
& Indoor Air Quality