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Customer Reviews


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Harmonic Heating & Air Conditioning

starstarstarstarstar 5.0 / 5 | 121 Total Reviews

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"Harmonic is truly a blessing! They are honest, talented, professional and fair...need I say more?? I could not speak more highly of this company! "
J . P from West Chicago, IL on November 3rd, 2018
starstarstarstarstar(5 / 5)
"Our furnace suddenly stopped working. (In winter) We could not figure why. It had power, it simply would not turn on and blow warm air. The furnace diagnostic said something about an "air switch blocked". We called Harmonic and spoke to Jeremy. We described the problem, thinking this might save him some time diagnosing the situation when he got here. Jeremy chuckled and said it was an "easy fix" and said that he could talk us through the procedure. Sure enough, he stayed on the phone with us for about ten minutes telling us what to do. Without using any tools, we discovered a plastic bag from outside got sucked up into the intake, After we removed it, the furnace worked fine! No charge! No service fee! This is a very good and very HONEST company! "
J . P from West Chicago, IL on October 17th, 2018
starstarstarstarstar(5 / 5)
"This review is long overdue! We contacted Harmonic after a problem with a different HVAC company about a year ago and have been thankful for the service received from Harmonic ever since! Our most recent appointment for spring tune up with Tony reminded me how much I appreciate them. He is terrific! And a big shout out to Jeremy, Brandon and Liz who have all been wonderful to work with too! You all are the best! Thank you for providing great service."
J . H from Naperville, IL on May 24th, 2018
starstarstarstarstar(5 / 5)
" Fixed in no time. Honest, friendly and knowledgeable. Very fair pricing, too."
J . P from Aurora, IL on April 6th, 2018
starstarstarstarstar(5 / 5)
" Harmonic is always on top of their job. Courteous, clean and expert technicians. Would recommend them to all."
G . E from Naperville, IL on March 29th, 2018
starstarstarstarstar(5 / 5)
"Have be very satisfied with the work and communicative from the service technicians"
B . C from Aurora, IL on March 22nd, 2018
starstarstarstarstar(5 / 5)
" great Job"
D . O from Aurora, IL on March 19th, 2018
starstarstarstarstar(5 / 5)
" Thank you for coming out so quickly and being so helpful and kind!"
J . P from Aurora, IL on February 25th, 2018
starstarstarstarstar(5 / 5)
"Efficient and informative "
S . N from Bolingbrook, IL on February 23rd, 2018
starstarstarstarstar(5 / 5)
"My furnace installation was quick and clean! I am 100% happy with my decision to go with Harmonic! "
N . H from Montgomery, IL on February 15th, 2018
starstarstarstarstar(5 / 5)