HVAC Repair, Maintenance & Installation For Your Home or Business


Hot Water Heating, AC, Heating Services

In Plainfield, IL


If you need tank or tankless water heating. AC or general heating services for your Plainfield, IL home or business Harmonic is your local expert. Our expert team of technicians are licensed, insured and factory trained, and keeping your comfortable is one of our top priorities. Plainfield is a large village located in both Will and Kendall Counties and has a population of around 45,000. The earliest Europeans in the are were French fur traders, and the first settlers were European American missionaries who attempted to convert the local Native American people.

Plainfield is the oldest community in Will County and has three buildings listed on the National Register of Historic Places. The community didn't grow largely until the 1990s, when the village grew from 4,500, to 28,000, to 45,000 in 2020. From our home in Naperville and St. Charles, our team is available to help your Plainfield home or business with all of your HVAC service needs, call Harmonic today for expert service!



Schedule Service in Plainfield

Tank and Tankless Service in Plainfield

Our expert service tech team here at Harmonic Heating and Air Conditioning can handle repair and maintenance for all makes and models of tank and tankless hot water heaters. Hot water heaters are powerhouse systems, which need to work at full capacity 24 / 7 and year round. Most of your heating and cooling systems are relied upon seasonally, for example furnace and boiler systems during the fall and winter, and central AC units during the summer. Because your tank and tankless water heaters get used so often, it's especially important to get your hot water heater regularly maintained and serviced by a professional.

Armstrong Air Air Conditioners


When you sign up for our hot water heater maintenance program at Harmonic Heating and Air Conditioning, you'll have peace of mind knowing that your hot water heater will be effective and reliable all year long. During a regular maintenance and tune up service, our technicians will go through a diligent checklist of your system to make sure everything is working as it should, replace things that need to be replaced, and let you know if we notice anything that needs additional repair. Remember to call Harmonic Heating and Air Conditioning for your next hot water heater service need in Plainfield or the surrounding area.

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Armstrong Air Air Conditioners


Armstrong Air Air Conditioners


Mitsubishi Mini Splits





Air Conditioning Repair, Maintenance and Installation

Summers here in the Plainfield area can get hot and very humid. In order to effectively beat the heat you need your homes air conditioner to be running at full capacity. If your AC at home or at your business has been on the fritz, or has stopped working, we can help. Our expert technicians can do repair and maintenance for all AC makes and models, no matter the year or brand. If your AC stops working as it should, or you notice it working less effectively than it used to, you can call us day or night. We offer emergency service for your AC units when you need it.

On a repair or maintenance service call sometimes our technicians find that a residents AC unit needs a serious and expensive repair or replacement part, and if their system is 10 years old or older, we recommend replacing the system for them. New AC installation and replacements can be expensive, but the units available to residential customers today are incredibly more efficient and more effective than units made a decade ago. We stock a full line of highly efficient and effective units for every homeowner and business need. If you'd like a free quote for a new Armstrong Air unit installation or replacement system give us a call today, we're here for your AC service in Plainfield!