Ryan and Jason did a great job! They were polite, courteous and very helpful. I would say they went above and beyond the call of duty. They did a wonderful job. They deserve an A!
December 2023
My first visit with Harmonic and it went very well, my service tech Daryl was extremely nice and very knowledgeable. He took his time to be sure everything was perfect
September 2023
We've been using Official for years for all our heating and cooling maintenance/equipment. Jeremy prepped and cleaned our furnace today for winter and he was great, going above and beyond what we expected as usual.
From Harmonic Heating & Air Conditioning, previously Official Heating & Cooling Crystal Lake
Harmonic HVAC (previously Official HVAC) provides Furnace, Air Conditioner, & Heat Pump repair service, replacement, and maintenance in YOUR neighborhood. Let us help make your home Smarter, Healthier, and more Efficient.
We set out to create a whole new way to sell heating and cooling services. I wanted to bring together the best of the old and combine it with the best of the new to form a company like no other.
We create JOY and promote HEALTH to the absolute best of our abilities. Technology is changing at a rapid pace. Green energy, the internet and 24/7 connectivity have forever altered the way we live. Harmonic uses all of these to improve our products and the way we communicate with our customers. Let's Customize Your Comfort.
