AC Repair in Niagara Falls

AC Repair in Niagara Falls

AC Repair & Installation in Niagara Falls

Need reliable AC Repair in Niagara Falls? MACKAY Heating & Cooling offers professional air conditioning repair and installation services to keep your home cool and comfortable. Whether your AC unit needs a quick fix, a seasonal tune-up, or a complete replacement, our certified technicians provide fast and efficient solutions. With over 50 years of experience, we handle all types of AC systems and ensure they operate at peak performance. Plus, we offer 24/7 emergency support to handle any urgent cooling needs if your searching for AC Repair in Niagara Falls.

Quality Products

Top-tier HVAC products for lasting comfort.

Affordable Prices

Competitive rates without compromising quality.

Local Technicians

Skilled professionals ensure perfect service.

Reliable Services

Dependable support, including 24/7 emergency care.

Our Services Include:

Why Choose MACKAY Heating & Cooling?

AC Repair in Niagara Falls

When your air conditioner stops working or isn’t cooling effectively, you need fast, dependable service. At MACKAY Heating & Cooling, we offer expert AC Repair in Niagara Falls for all makes and models. Whether it’s a refrigerant leak, faulty wiring, or a frozen coil, our certified technicians quickly diagnose the problem and restore your AC’s performance. With 24/7 emergency service, you’ll never be left without cooling when you need it most. Simply search "AC Repair in Niagara Falls" to locate us quickly.

AC Installation in Niagara Falls

If your AC system is outdated or beyond repair, MACKAY Heating & Cooling provides professional AC Installation in Niagara Falls. We help you select the best energy-efficient unit to fit your home and ensure seamless installation for optimal performance. Our technicians handle everything from sizing the system to setting it up, ensuring your new air conditioner keeps you cool and comfortable during Niagara Falls' warm months. Plus, we offer financing options to make upgrading your cooling system more affordable. AC Repair in Niagara Falls

Service Areas:

We proudly serve Niagara Falls and nearby areas, including St. Catharines, Niagara-on-the-Lake, Welland, Thorold, Grimsby, Port Colborne, Pelham, and Smithville. Wherever you are in the Niagara region, we are ready to assist with your air conditioning needs. Simply search "AC Repair in Niagara Falls" to locate us quickly.

Frequently Asked Questions (FAQs)

How do I know if my AC unit in Niagara Falls needs repair?

If your AC isn’t cooling effectively, making strange noises, or causing higher energy bills, it’s time to schedule AC repair in Niagara Falls.

Most AC installations are completed within a day, but it may vary depending on the system and your home’s requirements.

A new, energy-efficient AC unit can reduce energy costs, improve cooling, and ensure consistent comfort during Niagara Falls summers.

Annual maintenance is recommended to keep your AC system running efficiently and to prevent unexpected breakdowns during the peak cooling season.

Yes, we provide flexible financing options to make AC installation more affordable for Niagara Falls homeowners. Contact us for more details.

For affordable AC Repair in Niagara Falls, trust MACKAY Heating & Cooling.

Contact us today to schedule a service or get a free estimate!

HVAC Service Areas Across Niagara Region

MacKay Heating & Cooling place picture
4.8
Based on 324 reviews
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John Walker profile pictureJohn Walker
20:57 28 Nov 25
We can always count on MacKay to be reliable and honest anytime we need service done to our old furnace. Thanks for the quick response yesterday.
Antonio Mash profile pictureAntonio Mash
16:28 27 Nov 25
The customer service rep Helio,was not only helpful but resolved the issue with professionalism and great care.
ERNIE SWEENEY profile pictureERNIE SWEENEY
20:13 25 Nov 25
Puntial, knowledgeable, good service, answers to all our questions. Thanks Steve
Shelley Wilsher profile pictureShelley Wilsher
19:51 25 Nov 25
Great service , came same day
Wendy Funk profile pictureWendy Funk
17:21 25 Nov 25
Regular maintenance done with efficiency, respect for my home and communication!
Jean Roessner profile pictureJean Roessner
03:10 25 Nov 25
Great service done by Steve, who came and efficiently cleaned and got my furnace ready for the season. I had a call to book appointment for cleaning, and a reminder call for when tech was on way. Well done!!
Neal D profile pictureNeal D
00:53 21 Nov 25
Quick to diagnose my furnace issue. Very easy to deal with. Polite service technician.
Sheila Massey profile pictureSheila Massey
17:11 17 Nov 25
MacKay installed my furnace and hot water tank 16 years ago and I have had the furnace maintained by them over the years. The staff are efficient and friendly and I highly recommend this company.
Irene McEvoy profile pictureIrene McEvoy
19:16 13 Nov 25
We have used MacKay Heating since purchasing our home 15 years ago. We have used them to replace our furnace and air conditioner as well as maintenance calls. We have always been very satisfied with their service and response to issues. I’d highly recommend them.
Shalom O profile pictureShalom O
11:35 11 Nov 25
From start to finish, the service was great. The two guys who were here were very polite and cleaned the area after they finished. We have been dealing with this company for 24 years. They installed our first furnace in 2001 and have maintained the furnace all throughout this period. I will recommend them again and again.
Laurie Andrews profile pictureLaurie Andrews
13:39 08 Nov 25
Just got a new furnace, A/C and hot water tank and we were happy with the experience. The sales and service personnel were professional, arrived on time and finished ahead of schedule. Would highly recommend.
Wendy Edmonson profile pictureWendy Edmonson
20:32 06 Nov 25
Excellent service! I highly recommend this company.
Kevin Wildeman profile pictureKevin Wildeman
19:40 30 Oct 25
The folks at MacKay heating and cooling are friendly, professional, prompt and go out of their way to get to you quickly and resolve problems. We’ve been using them for years and have always been happy even when they are called upon in the middle of the snowy night. I recommend them with enthusiasm.
Sam Young profile pictureSam Young
20:24 29 Oct 25
This is my 1st experience with MacKay heating . After my regular service company responded , in late October , to my request to perform my annual furnace maintenance service in November . Sorry , we have not started to book November yet was the response . This was the same company I purchased my new furnace from 3 years ago , and this year measured up for a new Air Conditioner and never provided a price . ‘ HOW DO SOME COMPANIES STAY IN BUSINESS ?
MacKay was different . They were immediately on the ball . Most cooperative , friendly and professional in customer relations
In this instance , SERVICE WITHIN 1 WEEK . The service technician was equally personable and a REAL PROFESSIONAL .
As a former Metal Manufacturing business owner and Mechanical / Aeronautical Engineer . I appreciate a company who puts the customer 1st . and knows their stuff .
I would not hesitate recommending MacKay Heating & Cooling for your HVAC requirements . An 11 out of 10 .
Quinton Ascah profile pictureQuinton Ascah
14:38 29 Oct 25
Contact Info
  • 2517 First Street Louth, St. Catharines, ON L2R 6P7
  • (905) 688-1849
  • info@mackayheating.ca

Don’t let HVAC issues disrupt your comfort!

Our certified technicians are available to handle all your heating and cooling needs.

Schedule an Appointment

We will do our best to accommodate your preferred appointment time based on our current schedule availability.