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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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4.91,991 reviews
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Marie Descent's profile image
Marie Descent 
5 months ago

This is the first time I've used A1 to service my furnace. The technician was very professional, answered all my questions and was very knowledgeable and thorough in the work he did. I am very pleased with this gentleman and the company. I will definitely recommend them to my friends and family. 

Private User's profile image
Private User 
5 months ago

I have been dealing with A1 heating for 20 years, Tom has been servicing my furnace and last week we had to replace it and the air conditioner. Jeff came out the next day and Mike and Hadden installed the new furnace and air conditioner yesterday. I tell you how pleased we are with the job that they have done! They went out of their way to make sure that every detail was correct and in proper order. We would highly recommend them, in fact over the last 15 years 3 of our neighbours are now working with A1 heating. There not 5... read more

Bart's profile image
11 months ago

My heating system started to make a lot of noise. Tom showed up and quickly diagnosed the issue. The cost for his visit was covered under my service contract 

furnace repair's profile image
furnace repair 
11 months ago

Our furnace wasn;t coming on. Theo from A1 came in, got us the best rate for the repairs and very efficient. Very friendly and helpful 

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Private User 
11 months ago

Beware of this company. Charge a flat rate for any repair. Their labour charge $149.00 per hour. Paid $1200.00 to install a circuit board that retails for $300.00 . 

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Private User 
a year ago

A1 has been annually servicing my furnace and A/C for as long as I can remember. When my 17-year-old furnace stopped working, the A1 technician arrived within 2 hours of my call at 1930 hours. Diagnosed the problem and recommended replacement of the furnace. An hour later a salesman came to give me a quote and schedule the installation for the following morning. By 1500 hours the following day I had a new working furnace. You can't surpass their service and excellent workmanship. Thanks to Giovanna, Sheldon, Justin and Richa... read more

Peter's profile image
a year ago

We called for emergency service Saturday morning of the Family Day long weekend. A technician made a visit and determined we need a new gas valve, but he did have one in his van. Therefore we would need to wait until Tuesday when the company opened for business before another technician would be sent out to resolve the issue. This is what happened, consequently we were with any heat for three days, its not what I expected from the SuperDeal protection package which I've been paying into for over ten years. I guess paying a s... read more

Hilary's profile image
a year ago

A1 was referred to me by a friend who was pleased and impressed by A1, I got in touch with her contact. The Salesman was incredible: friendly, professional and demystifying. He explained how Heat Pumps work and the key calculations necessary based on my house - notably duct capacity and right sizing the solutions for both the indoor and outdoor units. He even showed me the NEEP (Northeast Energy Experience Partnership) site which has "over two-dozen manufacturers of leading high-performing cold climate ASHPs have chosen to l... read more

Steven C.'s profile image
Steven C. 
a year ago

We had A1 install a gas furnace, AC, and a gas water heater (replacing a rental unit). TL;DR, we are very happy with the service and hardware we received, and would like to especially call-out the skill, professionalism, and thoroughness of our sales rep, Andrew, and the install team, Brad and Deron. Andrew took the time to review various aspects, such as personal preferences, and hardware and installation options. He identified possible issues (i.e., regarding a finished basement with limited venting options and an old elec... read more

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 1,991 reviews. 

When is A1 Air Conditioning & Heating open?

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

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