HVAC Services In London

Donaldson Heating and Air Conditioning offers a complete line of HVAC services. From residential and light commercial maintenance, full system diagnostics, flat rate repairs and new gas lines, we can do it all professionally and affordable.
We service and maintain all makes and models, offer 24 hour service and schedule for 2 hour arrival windows, so you are not stuck at home waiting for us to show up. We’d be more than happy to work with you to fit into your schedule. Our flat rate system allows you to know exactly how much something is going to cost before the work is performed. Our diagnostics are a set rate that covers travel, diagnostics and any return trips. No extra costs to you, no hidden fees. Whether it takes us 10 minutes or 10 hours, you know what you’ll pay when we walk through the door. All of our repairs are quoted prior to the work being performed. And, we honour that price. We take pride in you knowing all the options and giving you the choice to do what’s best for you and for your system.Please feel free to contact us for more information about some of the services that we offer. We’d be more than happy to help.