HVAC Repair, Maintenance & Installation For Your Home or Business


AC, IAQ and Water Heating Services

In South Elgin, IL


Harmonic Heating and Air Conditioning is your local HVAC expert here in South Elgin, IL. If you need repair, maintenance or installation for any of your heating, cooling or IAQ systems at your home or business in South Elgin get in touch with our team. We're just a short drive away from our offices in St. Charles and Naperville. South Elgin is a charming community in Kane County and has a population of around 24,000 residents.

It has twice been placed in the top 100 "America's Best Places to Live" by Money Magazine. South Elgin was originally named Clintonville after one of it's early settlers in the 1800s, and adopted it's new name in 1907. One of the villages main attractions is the Fox River Trolley Museum which maintains a collection of 30 antique electric trolleys, railroad cars, and locomotives which were constructed between 1887 to 1959. If you live in South Elgin, Harmonic's goal is to keep you comfortable all year long. Reach out or give us a call for heating, cooling and IAQ services for your business or home.



Schedule Service in South Elgin

Hot Water Heating & Furnace Services

At Harmonic we've seen it all when it comes to service repair problems concerning tank or tankless hot water heaters and central furnace systems. Our staff of technicians have been factory trained and certified, and they have the expertise to work on all system makes and models. If you have a tank or tankless hot water heater that needs a repair, or you'd like to schedule maintenance for your system we can help. Your hot water heater get's extensive use, year round, so it's not un-heard of that sometimes they require professional repair. If your water heater isn't performing as well as it should schedule a visit from one of our technicians, they will be able to come to your home and diagnose your tank or tankless issue quickly.

Armstrong Air Air Conditioners


Then, with your approval, perform the needed repair. After your repair, don't forget to sign on for routine maintenance for your hot water heater. Maintenance will keep your system performing well without needing large repairs in the future! Our expert team of technicians can also handle your residential or commercial furnace services, an emergency repair, scheduled maintenance or new installation. Central furnaces are a popular choice for heating here in South Elgin, they are reliable and work effectively to keep your home warm during our Illinois winters.

Harmonic Heating & Air Conditioningstarstarstarstarstar4.9 / 5

293 Total Reviews /files//harmonic-logo-footer.png630-999-9008$10S187 Schoger Dr Suite #55, Naperville IL


Armstrong Air Air Conditioners


Armstrong Air Air Conditioners


Mitsubishi Mini Splits





AC Services in South Elgin

Our team can perform repair and maintenance for your home's AC regardless of brand, make or model. We have decades of experience in the HVAC industry, and our technicians are factory trained and insured. We put customer satisfaction above all else at Harmonic, and we offer emergency repair for your systems if they go down after-hours or in the dead of night. If your home's AC is on the fritz, we will be able to diagnose and repair your unit quickly, and leave our workspace cleaner than when we arrived. We recommend scheduling seasonal maintenance for your AC system, and all of your comfort systems. Routine maintenance keeps your heating and cooling equipment performing better for longer. Just like you need to take your car in for regular oil changes, it's good to have a professional diligently check your system in the spring before the hot summer weather hits. Our Rockstar Maintenance Program will keep your home's AC running pristinely, and you will be comfortable on even the hottest South Elgin days.