Air Conditioning

Family Enjoying AC

Cooling and Air Conditioning

Enjoy the benefits of fresh cooled air no matter where you live or work. ATEL Air provides expert care for cooling systems in homes and businesses throughout Eastern Ontario.

Not all heating and cooling providers are the same. Try us and you’ll find that not only does ATEL have exceptional expertise, but we make servicing your system a refreshingly positive experience.

Need help with a repair? We can repair any make or model of cooling system. We also have emergency after hours service, with a guaranteed call back time of 1 hour. Do you need emergency repairs?


Need a new system? We can recommend the right cooling solution for your needs. Need a tune up of your system? ATEL will ensure your AC is working at its best.

Air conditioners are only as efficient as the installation. At ATEL Air every system is designed and properly sized before the installation. During the installation the installers will run test the new air conditioner to ensure it is performing as designed. Click here to read reviews from satisfied customers.

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During the last month ATEL Air installed a central air conditioner and separate heat pump in my home and replaced/updated my electrical service panel...I couldn’t be happier with how your people did their jobs and fulfilled my expectations.

– John Jodoin, August 2016, Brockville, Ontario

The ATEL Air Pledge

You deserve excellent service and products that perform as promised. Here’s what you can expect from ATEL:

  1. Fully qualified and licensed technicians who love what they do. See who’s on our team >
  2. Complete price quotes provided in advance. There are never any surprise costs.
  3. Timely arrival at your door. We hate waiting too.
  4. Peace of mind thanks to our 100% satisfaction guarantee.
  5. Friendly, no-pressure sales process. We provide you with all the information you need and then let you make the best decision for you.
  6. A home as clean as we found it. We won’t leave you with a mess to deal with.
  7. Easy payment options.

We’re a small local company, and that means every customer counts. You’ll get the professional, neighbourly service you deserve. Our customers agree.

Air Conditioner Repair Service in Hours, Not Days

ATEL Air can repair any make or model of air conditioning system, whether it’s for your home or for a business. We service most of Eastern Ontariofrom Kemptville to Greely to Cornwall to Brockville. Call our emergency line day or night:

  • Williamsburg: 613-535-2720
  • Kemptville: 613-258-2400
  • Cornwall: 613-937-0707
  • Brockville: 613-342-2338

Need emergency repairs? We offer an after-hours service with a guaranteed call back time of 1 hour.


Our repairs are guaranteed for a full 2 years.

Eastern Ontario's most trusted name in home comfort.

Air Conditioner Brands We Trust

We find these central air conditioners and ductless air conditioners to perform well over time in our customers’ homes:

Trane Certified Dealer Logo

We are a Trane authorized dealer. Our technicians get extra training in correct installation methods directly from the manufacturer to ensure everything is perfect. We also meet Trane’s standards for customer care.

Trane air conditioners are so reliable they’ve won the Most Trusted HVAC brand for seven years in a row.

Learn about our air conditioning installation services >
Learn about Trane air conditioners>


ATEL Air is also an authorized dealer for Mitsubishi ductless air conditioners. We’re certified as “Mitsubishi Electric Quality”.

Emergency Service Available

Even After Hours - Guaranteed Call Back Within 1 Hour

Eastern Ontario’s most trusted name in home comfort.