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    “Dunn has been a real pleasure to work with!”
    “Pricing was reasonable and fair. Work was professional and quick. Would recommend without hesitation.”
    - Joanne R.
    “They did an excellent job from start to finish!”
    “The technicians were professional, courteous, and knowledgeable. They explained the features and benefits of each system, and answered all my questions.”
    - Corey W.
    “Dave patiently explained the whole picture to us and was personable as well as knowledgeable.”
    “We would have invited him for dinner but he had more people to help so we simply shook hands and said goodbye.”
    - Cynthia H.
    “Trevor came to our home and was excellent at explaining the options and providing a reasonable quote.”
    “The installation by Alex and Andre was seamless and very professional. Nice to deal with such courteous and capable people.”
    - Jan & Bill W.
    “Sean is a great guy, honest and helpful.”
    “We realized my thermostat was still under warranty so he guided me on who to call and ask the right questions in order to sort my problem.”
    - Caroline R.
    “Had a new Lennox AC unit installed by Alex and Andre. They did a fantastic job.”
    “Very friendly and explained everything very well, did a great job inside the house and showed a lot of care to keep things clean (despite it being pouring rain and working in the mud outside).”
    - Andrew C.
    “Thanks for everything!”
    “It works great and I am very satisfied with all Dunn employees I came into contact with during the entire process.”
    - Pat Q.
    “They left every space they worked in spotless. Highly recommended.”
    “Excellent client experience from start to finish. Trevor was great. He listened to our needs and suggested the right ductless AC for the room.”
    - C.T.
    “He was great, very pleasant and knowledgeable, happy to have him out again.”
    “The Dunn tech was able to correctly diagnose my issue, which unfortunately had to do with electrical wiring so he wasn't able to fix it, but did point me in the right path to get an electrician to finish the job.”
    - Bryant L.
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Dunn Heating and Air Conditioning Not Too Hot, Not Too Cold...Just Right
75 Rankin Street Waterloo, ON N2V 1W2
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