Air Conditioners in London Ontario

London’s Premier Air Conditioner Replacement Services

With temperatures on the rise during the summer months, the last thing you want is your air conditioner breaking down. Ensure your home or business stays cool during those hot summer days by getting a reliable HVAC expert from Donaldson Heating & Air Conditioning to replace it for you.

Why Choose Donaldson Heating & Air Conditioning?

Ensuring Homes & Businesses Stay Cool During the Summer Months

When the time comes to replace your air conditioner, you can trust Donaldson Heating & Air Conditioning to replace it quickly with our 24/7 emergency services and 2-hour arrival window, without compromising on quality. During the installation process, we ensure that your system is sized correctly, installed properly, and set up to maximize the efficiency of your air conditioner. If you’re ever in need of a replacement, you can rest assured that our professional installers will go the extra mile and provide you with a great replacement model to restore comfort to your home or business.

The Donaldson Heating & Air Conditioning Guarantee Certificate

√ We Value Your Home
√ We Value Your Safety 
√ We Value Your Satisfaction
√ Lifetime Replacement
√ Upfront Pricing
√  “True Care” 15 Year Guarantee

Main floor house with themostat displayed

Air Conditioner Replacement Warranty: Peace-of-Mind Guaranteed

Each of our air conditioners come with a company-backed 10-year parts and labour warranty. Our warranty ensures that anything not directly related to a maintenance issue is fully covered, with no processing fees or diagnostics. To ensure that you receive the highest levels of efficiency, we also include the first-year maintenance on each of our air conditioners. Want peace-of-mind for longer? Learn more about our True Care Program today! This program has an $8,000 value for an additional $23.25 per month with the purchase of any furnace or furnace and air conditioner system.

Air Conditioning Repair

With our 24/7 emergency air conditioning repair service and 2-hour arrival window, our customers can relax knowing that help will be on the way as soon as possible. We also charge a flat rate of just $89 for our air conditioner diagnostic. That means no hidden fees, no surprises.

What Customers Are Saying About Donaldson Heating & Air Conditioning

“Had a new A/C and furnace installed by Donaldson after our old units failed. Everyone we dealt with from start to finish were fantastic.” – Ian

Our Air Conditioner Manufacturers


The True Care Protection Program

√ 15-Year System Coverage
√ Lifetime HVAC Maintenance Checks
√ Lifetime Annual Filter Replacement
√ 5″ Filter Rack Included with Installation
√ Wifi Thermostat Included with Installation
√ Priority Booking

View our Specials page to see what we have on offer.

Request a Quote and Learn More About Your Options for an Air Conditioner Today. 

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