Harmonic Heating & Air Conditioning is here for you! Call us today when you need heating, air conditioning, water heating, air quality or commercial HVAC services! Harmonic is your local comfort expert!

Customer Reviews


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Harmonic Heating & Air Conditioning is your local comfort expert! Read our customer's reviews! Call us today.

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Harmonic Heating & Air Conditioning

starstarstarstarstar 5.0 / 5 | 112 Total Reviews

5 stars
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" Awesome service! On time, friendly, and informative! Definitely will recommend your services."
R . M from Aurora, IL on November 15th, 2017
starstarstarstarstar(5 / 5)
" They were on time with no attempt to upsell. Just did the maintenance work well, and charged as promised"
R . E from Wheaton, IL on November 15th, 2017
starstarstarstarstar(5 / 5)
" We are very happy with the friendly, prompt and professional service we received on each of the homes we used Harmonic. "
G . S from Naperville, IL on November 15th, 2017
starstarstarstarstar(5 / 5)
"Everything went very well. Would use Harmonic again in the future. Technician was great and very helpful. "
R . E from Oswego, IL on November 14th, 2017
starstarstarstarstar(5 / 5)
" Nate did a great job! We thank you for your great service and your honest work!"
K . M from Oswego, IL on November 14th, 2017
starstarstarstarstar(5 / 5)
" Very happy"
M . K from Naperville, IL on November 14th, 2017
starstarstarstarstar(5 / 5)
"Excellent customer service! Our technician, Nate, was very polite and helpful. Highly recommend Harmonic!"
J . B from Montgomery, IL on November 14th, 2017
starstarstarstarstar(5 / 5)
" Fantastic service. I posted about your company on The Oaks of Churchill Club Facebook Page and a few others said how great you did too!"
G . K from Oswego, IL on November 12th, 2017
starstarstarstarstar(5 / 5)
" Great service as always!"
M . S from Montgomery, IL on November 12th, 2017
starstarstarstarstar(5 / 5)
" Nate is a total Rock Star!!!!!! He was very knowledgeable, fast, and was able to fix problems when other HVAC companies told me it could not be done. I highly recommend Harmonic to anyone in the future. "
A . G from Oswego, IL on November 10th, 2017
starstarstarstarstar(5 / 5)