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A1 Air Conditioning & Heating

4.9

About this business

With a proud history guided by three generations of the Messenger family, A1 Air Conditioning & Heating is dedicated to serving our customers with the best HVAC products and services for your home and your business. Established in 1967, we’ve been a trusted partner for more than 60,000 customers with thousands of installations and repairs over the past 50+ years. Our years of experience and expertise is evident in the quality of our work and our many happy customers. Quality. Experience. Pride. You can count on A1. 

Location details

3-1420 Cornwall Rd, Oakville, ON, L6J 7W5, Canada

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4.92,048 reviews
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S.B.'s profile image
4 years ago

Costly 15 minutes I called A1 to service my 1 year old multi unit heat pump. The technician arrived, stated that the unit can't be repaired unless the whole system was substituted, that he never saw concealed ducted mini-splits and left. The visit lasted 15 minutes. After 2 minutes he came back saying he was instructed to charge for the visit. While I want to underline that the technician was very nice and professional, I have to say that I'm extremely upset to pay $192.10 for the service I received and the time that was spe... read more

Tuan's profile image
4 years ago

Complex installation of furnace, ac, and tabkless water heater My wife and I had just purchased an older home that had an oil furnace, older water heater, and no AC. We were anxious about hiring the right company to do this major work, as it would represent an important and expensive investment in our new home. Andrew was phenomenal throughout the entire process. He worked accommodated our schedule so he could be there during one of our visits before we took possession. He did a phenomenal job explaining the systems to us, a... read more

John's profile image
4 years ago

Furnace, AC and Water heater When moved into our current home and knew that we would have to replace our AC, furnace and water heater soon. We had used A1 in our previous home and were happy with their carrier products. What stood out for us more, was the service that we received from this company. We did have 2 issues over the next 18 years, and both times reliable and knowledgeable techicians fixed the problem quickly. Based on this experience, we included A1 when we contacted other HVAC companies for quotes. We found the ... read more

Arun Prabha's profile image
Arun Prabha 
4 years ago

I rely on A1 A1 never asked me to write a review, but I have been their customer for over 10 years. They installed a new furnace and an air conditioner unit and signed me up for a 10 year maintenance plan. They came promptly when two years ago, my furnace would not go above 21 degrees and the house felt cold. The technician spent a lot of time figuring it out but he did! A few months ago, I had A1 install a tank less water heater. There were a few glitches in the beginning, but they came promptly to fix it. And once I accide... read more

Private User's profile image
Private User 
4 years ago

Heating System A1 Air Conditioning is amazing! When it comes to sales and service, they are second to none. After shopping around, we quickly learned the A1 difference! Quality, Service and Installation are very important to us and they made the entire process easy. I have to say our experience with everyone involved from start to finish was exceptional. From Andrew who helped us navigate the decision process to the installation team (Dale, Natalie and Angad), they exceeded all our expectations and attention to detail was in... read more

Private User's profile image
Private User 
5 years ago

AC repair I don’t recommend this company. My AC has noisy at startup, the technician diagnosed the capacitor was old, he suggested to replace the new one, it’s $288 plus taxes, diagnose fee was $130 plus tax. The AC machine is still noisy as before, that’s wrong diagnose, wasted me over $288. 

Dave L.'s profile image
6 years ago

Friendly, professional service. Kyle, the Technician was on time, neat, friendly, and very professional. He provided me with options regarding the service we needed and answered all of my questions. I would not hesitate to contact A1 again. 

Private User's profile image
Private User 
6 years ago

Second opinion on cracked heat exchanger I called A1 for a second opinion on a cracked heat exchanger diagnosis by another company that I called for a service on my furnace. The technician found that my furnace had been incorrectly set up previously as 1 stage when the furnace is in fact a 2 stage furnace and also found that the wiring setup for my Nest was not correct either and that there was no other issue with the furnace. The technician was there for more than 1 hour and the cost was still only about half what the other... read more

v.'s profile image
6 years ago

Duct cleaning We have been clients of A1 for heating and air conditioning for years but I just discovered they do duct cleaning too. A very pleasant man came and did the work with great efficiency and leaving no mess at all. He showed me that the previous times it had not been done as completely as they would do it. I now feel that for the first time in decades there is more chance for clean air within the house. 

Frequently asked questions about A1 Air Conditioning & Heating

How is A1 Air Conditioning & Heating rated?

A1 Air Conditioning & Heating has a 4.9 star rating with 2,048 reviews. 

When is A1 Air Conditioning & Heating open?

A1 Air Conditioning & Heating is open now. It is open 24/7. 

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