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

See What Our Customers Are Saying

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

EARN $25
when you refer friends and family

$25 Target, Home Depot, or Small Cakes gift cards are available to customers who refer us to their friends and family, and we show a paid invoice for that NEW referred customer. Just print the referral card, place your name on the card, and have your friend hand it to our Technicians at the time of payment. It's that easy.

download referral card

Harmonic Heating & Air Conditioning

starstarstarstarstar 5.0 / 5 | 125 Total Reviews

5 stars
4 stars
3 stars
2 stars
1 stars

Leave A Review


" The guys were super nice and the heater is working great! Our only issue is I went upstairs after they left and I found grease spots on our near white carpet and other pinkish stains as well right outside of the door to the heater room. :( "
C . G from Oswego, IL on February 20th, 2018
starstarstarstar(4 / 5)
"He was very helpful what ever I asked. I had a good experience. "
S . R from Aurora, IL on November 29th, 2017
starstarstarstar(4 / 5)
" Nate was friendly and very thorough . He took the time to explain to me and my son how the furnace functions. We discussed preventative maintenance to extend the life of the furnace. My family highly recommends Harmonic."
C . C from Montgomery, IL on October 16th, 2017
starstarstarstar(4 / 5)