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.
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"Thanks again for your amazing response to our needs. I can rely on you all 100% of the time and you may share this with anyone. After 7 or so years.. we have always been able to get quick and reasonable repairs done! Thanks for all you do!
Andy McCallum "
A . M from Oswego, IL on January 26th, 2021
A . M from Oswego, IL on January 26th, 2021
( / 5)
"Thanks for the great 5-star review Andy. We appreciate the opportunity to service your furnace and air conditioning system. We know that its hard to find a good, reliable furnace repair service, so we're always happy to help, as well as educate our customers on their overall HVAC system. Don't forget to tell your friends about our famous "Rock*Star" HVAC Maintenance Plans! Enjoy the season. "
- Harmonic Heating & Air Conditioning
- Harmonic Heating & Air Conditioning
"Great service and products. We had a new hot water heater installed. We always have good experiences with Harmonic. "
L . K from Naperville, IL on January 26th, 2021
L . K from Naperville, IL on January 26th, 2021
( / 5)
"Thanks for the great 5-star review Luke. We appreciate the opportunity to replace your hot water heater. We know that its hard to find a good, reliable water heater service, so we're always happy to help, as well as educate our customers on their overall HVAC system. Don't forget to tell your friends about our famous "Rock*Star" HVAC Maintenance Plans! Enjoy the season. "
- Harmonic Heating & Air Conditioning
- Harmonic Heating & Air Conditioning
"Great service great price "
J . R from Naperville, IL on January 25th, 2021
J . R from Naperville, IL on January 25th, 2021
( / 5)
"Thanks for the great 5-star review Andy. We appreciate the opportunity to service your 2 furnaces and AC system. We know that its hard to find a good, reliable furnace repair service, so we're always happy to help, as well as educate our customers on their overall HVAC system. Don't forget to tell your friends about our famous "Rock*Star" HVAC Maintenance Plans! Enjoy the season. "
- Harmonic Heating & Air Conditioning
- Harmonic Heating & Air Conditioning
"Great job, efficient and friendly"
D . B from Naperville, IL on January 21st, 2021
D . B from Naperville, IL on January 21st, 2021
( / 5)
"Thanks for the great 5-star review David & Kim. We appreciate the opportunity to install your new Garage Heater. We know that its hard to find a good, reliable heating & cooling companies, so we're always happy to help, as well as educate our customers on their overall HVAC system. Don't forget to tell your friends about our famous "Rock*Star" HVAC Maintenance Plans! Enjoy the season. "
- Harmonic Heating & Air Conditioning
- Harmonic Heating & Air Conditioning
"I really appreciated how Liz and the technicians clearly communicated everything. One tech even came back at 5pm on a Friday night to fix something that wasn’t quite right during install. Will definitely use Harmonic for all our HVAC needs. "
H . K from Montgomery, IL on January 18th, 2021
H . K from Montgomery, IL on January 18th, 2021
( / 5)
"Thanks Haylee. You guys are awesome! It's never fun waking up to #NoHeat! But we're happy that we could get it taken care of quickly, and keep the family warm during this crazy Chicago weather. We look forward to serving your friends and family in the future. "
- Harmonic Heating & Air Conditioning
- Harmonic Heating & Air Conditioning
"Very polite and well knowledgeable on the HVAC systems!!! Made it an easy choice for my family!!"
N . B from Oswego, IL on January 15th, 2021
N . B from Oswego, IL on January 15th, 2021
( / 5)
"Thanks for the 5-Star review Nate. Glad we could help. "
- Harmonic Heating & Air Conditioning
- Harmonic Heating & Air Conditioning
"Great service! Quick to respond. Reasonable prices and quality work! "
J . W from Oswego, IL on January 15th, 2021
J . W from Oswego, IL on January 15th, 2021
( / 5)
"Thanks for the 5-Star review Jen. We really appreciate it. "
- Harmonic Heating & Air Conditioning
- Harmonic Heating & Air Conditioning
"Great communication and quality service. We are happy we chose Harmonic!"
J . G from Oswego, IL on January 8th, 2021
J . G from Oswego, IL on January 8th, 2021
( / 5)
"Thanks for the great 5-Star review Frank. We really appreciate it. "
- Harmonic Heating & Air Conditioning
- Harmonic Heating & Air Conditioning
"Excellent service from our initial service call to installation of our new Furnace and AC.
Very Professional and informative! Highly recommended. "
L . D from Aurora, IL on December 4th, 2020
L . D from Aurora, IL on December 4th, 2020
( / 5)
"Thanks for the great 5-Star review Lara. We appreciate it. "
- Harmonic Heating & Air Conditioning
- Harmonic Heating & Air Conditioning
"Love the work! Everything was explained and every associate was able to explain exactly what they were doing and how it was going to change our situation. We had two furnace replaced and Sheetrock work patched and painted to remove previous air ducts. Thank you to the guys for their professionalism and great work! Very much appreciated! - Grey Verano"
G . V from Woodridge, IL on November 12th, 2020
G . V from Woodridge, IL on November 12th, 2020
( / 5)