Donaldson Home Services installs, repairs and maintains air conditioners for homes in London, Ontario and surrounding communities. Whether your AC stops working on the hottest day of summer or it’s time for a more efficient system, our local team is ready to help keep your home cool.
From installation and repairs to preventative maintenance and ductless systems, explore our air conditioning services for homeowners in London and surrounding communities.
AC blowing warm air, making unusual noises, or not turning on? Our technicians diagnose and repair air conditioning problems to get your home comfortable again.
When your air conditioner stops working on a hot summer day, waiting isn’t an option. We offer 24/7 emergency service. Call us now and we’ll work to get a technician to your home the same day, subject to availability.
Great cooling starts with the right system and the right installation. Our team properly assesses your home, recommends right-sized equipment, and installs and tests it for dependable, efficient performance.
As a Trane Comfort Specialist, we bring proven expertise to every job, with honest advice about whether it makes more sense to repair your current AC or replace it.
Honest advice, expert craftsmanship and a commitment to treating every home like our own, backed by 4.9 stars from 3,000+ Google reviews.
We’re not a franchise. Donaldson has been owned and run by Jamie and Anna Donaldson since 2013, and our reputation matters to us personally.
We explain every option in plain language and help you choose what’s right for your home and your budget, never simply what’s most expensive.
We give you the full price before any work begins, and what you’re quoted is what you pay. No hidden fees or unexpected invoice charges.
True Care brings parts and labour, diagnostics, annual maintenance and priority service together on qualifying new furnaces and air conditioners.
Locally based, with technicians across Southwestern Ontario. Don’t see your town? Give us a shout. Chances are we’re nearby.
Schedule a 2-hour arrival window for any home heating, air conditioning, or plumbing service. You’ll receive a text when we’re on the way, plus a photo of your technician so you know exactly who’s coming. Book now and experience service you can trust.
Have more questions? We’ve got the answers.
If your AC is struggling to cool your home, making unusual noises, cycling frequently or needing repeated repairs, it’s time to have it assessed. Our technicians will inspect your system and tell you honestly whether repair or replacement makes more sense. Repairs come with upfront pricing, and estimates for a new air conditioner are free. Start with our AC repair service.
Once a year, ideally in spring before the cooling season. Regular maintenance helps your air conditioner run efficiently, reduces unexpected breakdowns and can extend the life of your system. We service all makes and models, including systems we didn’t install. See what’s included in our AC maintenance service, or cover it every year with one of our Membership Plans.
Yes. We offer 24/7 emergency service. Call us now and we’ll work to get a technician to your home the same day, subject to availability. We serve homeowners in London and surrounding communities, and demand climbs during heat waves, so call as soon as you notice a problem. More on our AC repair service.
The right AC size depends on more than your home’s square footage. Insulation, windows, layout, sun exposure and existing ductwork all affect how much cooling you need. Donaldson will measure and assess your home and recommend properly sized equipment instead of guessing, and your in-home estimate for a new air conditioner is free. Learn more about AC installation.
Yes. We install modern, high-efficiency air conditioning systems designed to cool reliably without wasting energy. We’ll help you compare options and choose a system that fits your home, comfort needs and budget, and your in-home estimate is free. See AC installation, or if you’d like one system for heating and cooling, compare heat pumps.
Explore our educational articles, FAQs, and guides to help you choose the right systems, save energy, and protect your home year-round.
Understand what HVAC warranties typically cover, why registration and maintenance matter, and what homeowners should know about parts, labour and extended coverage before choosing a new home comfort system.
Learn the most common air conditioning mistake homeowners make, how it can affect comfort, efficiency and equipment performance, and what you can do to keep your AC running properly.
Learn why regular air conditioning maintenance matters, what a professional AC tune-up includes, and how seasonal service can help keep your London, Ontario home comfortable throughout the summer.
Reach out today
Let us know what you need. We’re happy to help with furnaces, air conditioning, heat pumps, plumbing and bathroom renovations.
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Locally owned and operated, protecting London-area homes. Honest, no-pressure heating, air conditioning, plumbing, air quality and renovations.
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Proudly serving: London, St. Thomas, Strathroy, Woodstock, Tillsonburg, Ingersoll, Aylmer, Exeter, Lucan, Port Stanley, Komoka, Ilderton, Parkhill, Dutton, Glencoe
