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 | 119 Total Reviews

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" Wonderful company and employees!"
D . B from Lombard, IL on November 30th, 2017
starstarstarstarstar(5 / 5)
" Tony was efficient and friendly. Couldn’t be better "
J . K from Downers Grove, IL on November 29th, 2017
starstarstarstarstar(5 / 5)
" Absolutely fabulous! We were in a bind with the furnace not working & waiting for another company that never showed up & you guys came out within 1 hour at last minutes notice on a Friday afternoon. Saved us from another day of our house temp being 54 degrees! Great customer service on the phone (Liz 😀) and technician (Tony). Great job guys & thank you! I highly recommend you!"
J . W from Naperville, IL on November 17th, 2017
starstarstarstarstar(5 / 5)
" ON TIME. COURTEOUS. CLEAN. GREAT JOB. WILL RECOMMEND TO ANYONE!!"
J . V from Bolingbrook, IL on November 16th, 2017
starstarstarstarstar(5 / 5)
" Very professional team from engaging customer to installations!"
G . T from Naperville, IL on November 15th, 2017
starstarstarstarstar(5 / 5)
" 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)