Air Conditioning Repair in Hamilton

Do you need air conditioner service?

Over 60,000 homeowners have relied on A1’s triple-certified Technicians for expert advice, best-in-class installation and service excellence.

A1 Air has been providing air conditioning repair in Hamilton for over 50 years. Our A1 triple-certified Technicians are prepared to help you with any AC emergency service you may need, no matter what time or day of the year. We are open 24/7, 365 days a year.

The best heating and cooling specialists in Hamilton

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.

What to expect

  • We will connect with you within 2 hours
  • One of our A1 triple-certified Technicians will come to your house to diagnose the problem and provide a quote for the AC repair
  • With your go-ahead, we’ll do the repair right away if we have the part
  • If we need to order the part, we will schedule a convenient time to come back to your home, that day if possible
Book an emergency service appointment with A1

We're available 24/7, 365 days a year – because emergencies never happen at convenient times. Give us a call or fill out this form and we will respond to your request right away.

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For new equipment:

  • If you decide you’d rather replace your equipment, then we’ll immediately connect you with an A1 Solution Specialist to provide you with the best value for a new furnace or for air conditioner options
  • If you end up with a new installation, we’ll gladly refund the diagnostic charge for the emergency visit
Woman relaxing on couch

At A1 we are proud to carry top quality HVAC products

Image looking inside someone's bedroom with all glass windows heating solutions

Daikin is the largest heating and air conditioning manufacturer in the world and has won the ENERGY STAR Most Efficient Product award for three years in a row in Canada. With a commitment to innovation, quality and technology, Daikin is a brand that A1 is proud to install.

Genius is a more affordable option but also has all the modern features you want and the reliability you need. The Genius line of high-efficiency HVAC products is so good, we put our name on it – Genius is our very own signature brand.

We have been using A1 Air Conditioning & Heating for yearly services and find them very professional, prompt and courteous. The recent servicing of our air conditioner was done promptly by Brendan, who was very courteous and helpful. We would recommend their service!

Manoj, Hamilton


Find out more about our maintenance and protection plans.
Our SuperCare plan includes an annual inspection, tune-up and cleaning, plus unlimited service calls, repairs, parts and labour.
Breathe easy. We’ve got you covered.

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