Harmonic Heating & Air Conditioning Naperville

Harmonic Heating and Air Conditioning is the BEST!!! Our AC died and after another company told us that our unit could not be repaired and had to be replaced ($6,000), we contacted Harmonic for a...

Stay away from this business! My entire cooling and heating system was left in an inoperable state. I called for a diagnostic of the air conditioner today because cool air isn't coming from the...

Harmonic consistently delivers excellent customer care beginning with their office when scheduling the appointment. Reece showed up on time, patiently explained how to change the filter on the...

They were great! They arrived when expected, did a thorough job, and charged me what they had quoted. No hard sales pitch. The 2 technicians were professional. I would definitely call on them again!

Reply to 2 reactions from Harmonic on my 1 star review. 1. A. & K. claimed A. fixed my heater Tuesday; lie. Bad customer service. Harmonic deserves 1 star, but all the starts below 5 are NOT...