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Own Your Air

Get closer to having that perfect temperature. Humidity just right. Air that is clean and filtered to help you stay healthy and happy.
A1 can help you manage the air in your home. That is our promise.

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SAVE BIG THIS HOLIDAY SEASON

December Furnace Specials!

Take advantage of our great low prices on select high-efficiency furnaces. Quality you can afford, so you can focus on what matters most.

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A1 SUPERCARE PROTECTION PLAN

Unlimited Repair Calls

Our SuperCare Protection Plan guarantees that if anything goes wrong with your furnace this winter, we'll be there to fix it. Never worry about expensive service calls. Let us look after everything for you!

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A1 INDOOR AIR QUALITY

Detoxify Your Air

Purify the air in your home or office by getting rid of harmful mould, dust and bacteria. Our HEPA air purifiers are so efficient that laboratory testing revealed removal of 95% of particles at 0.1 microns!

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A1 REFERRAL PROGRAM

Refer a Friend & Receive $100

We love it when you tell your friends about us! Refer a friend to A1 to install a new furnace or AC and we’ll send you a $100 as a thank-you for spreading the word.

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GENIUS FURNACE + AC DEAL

Save $500 on a Genius Furnace + AC Combo

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The best heating and cooling specialists in the GTA

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.

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Our Products

Heating

Cooling

Indoor Air Quality

Innovation

Water Heaters

  • Furnaces and air conditioners
  • Installations and repairs
  • Indoor air quality
  • Home comfort products
  • Protection Plans

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60000+

Customers Served

1000+

Installations per year

35%

Emissions Saved

20000+

Repairs per year

A1 Service Areas

  • Hamilton
  • Ancaster
  • Dundas
  • Burlington
  • Oakville
  • Milton
  • Mississauga
  • Brampton
  • Georgetown
  • Toronto
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Why Choose A1

Over 50 years of delivering effortless home comfort solutions to our customers!

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