AC Maintenance & Tune-Up Services

Stay Cool and Comfortable in Naperville, IL

AC Not Turning on? Air Conditioner Blowing Hot Air? We Can Help.

Harmonic Heating & Air Conditioning is here to help you keep your heating, air conditioning, and water heating systems in top shape. Call us today! We are an experienced, family-owned company with a focus on honest customer-service solutions. Our team is dedicated to delivering friendly, reliable services with a smile. You’ll get only the best from us.

Harmonic Heating & Air Conditioning offers our air conditioning customer rockstar maintenance plans. Keeping your air conditioner maintained is an important part of a healthy home. Not only are you saving money but you are saving energy.

Using the best parts available, Harmonic Heating & Air Conditioning offers a maintenance plan specifically for your air conditioner, making it run efficiently and safely. We are fully licensed and insured and ready to help any time of the day or night.

Why Choose Harmonic?

Repair & Maintenance for all AC Makes & Models
Locally Owned and Operated in Naperville
Flexible Financing Options
Extensive Maintenance Plans
Harmonic is your local air conditioner replacement expert!
Schedule your AC estimate with Harmonic today.
AC installation services are just a call or click away.

Air Conditioning Tune-up Checklist

  • Examine the refrigerant lines and the insulation of the refrigerant lines.
  • Make sure the outdoor unit is level and draining well
  • Inspect the outdoor unit coil for damage or impediments to airflow and clean accordingly
  • Inspect the indoor coil for dirt or debris and clean it if necessary
  • Examine the interior blower motor and blower wheel
  • Examine the outdoor unit blower.
  • Examine the interior blower motor and blower wheel
  • Examine the condensate lines and or the condensate pump
  • Lubricate all of the mechanisms as necessary.
  • Verify that outdoor safety disconnect is in place
  • Test thermostat
  • Start-up procedure and test system

At Harmonic HVAC, we take pride in offering comprehensive AC maintenance services for all makes and models in Naperville, IL. Our highly skilled technicians are trained to provide meticulous inspections, thorough cleaning, and precise adjustments to keep your AC system running at its best. Whether you have a central air conditioner, ductless mini-split, or any other type of cooling system, we have the expertise to ensure optimal performance and energy efficiency.

With our AC maintenance service, we identify potential issues early on, saving you from costly repairs down the line. Trust us to keep your AC system in top shape, providing you with reliable and refreshing comfort throughout the year. Contact us today to schedule your AC maintenance appointment.

Book Your Tune-Up

What to Expect with Harmonic Heating & Air Conditioning

The Collaboration Phase, We Will...

  1. Assign a project manager to thoroughly discuss all equipment requirements for your space.
  2. Present you with accessory and control options to complement your system.
  3. Collaborate with you to customize equipment to meet your specific needs and budget.

Before We Arrive, Please...

  1. Remove any valuables from the entry, hallways, and workspace to ensure their safety.
  2. Clear a safe path to the furnace and A/C to allow for removal and installation.
  3. Clear stairways, halls, entryways, and equipment closet.
  4. Clear space around the furnace to allow access and provide adequate workspace.
  5. Trim bushes, shrubs and trees that impede access to the A/C and related equipment.
  6. Secure any animals that may try to escape through open doors.

The Day of Your Project, We Will...

  1. Arrive on time to respect your busy schedule.
  2. Use tarps to protect your wood floors and carpets.
  3. Remove all old equipment, scrap metal, garbage, and boxes from new equipment.
  4. Be happy to address needs you may have to make your space more comfortable.

After the Project, We Will...

  1. Encourage you to protect your equipment with our Rock*Star Maintenance Program.
  2. Register all equipment warranties and process all applicable rebates noted on invoice.
  3. Follow up with you via phone to ensure your complete satisfaction.


  1. Look for signs of water on the floor or the system not heating and cooling properly.
  2. If something does not seem right.. please call us with any concerns right away.

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