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Furnace Maintenance


Furnace Maintenance

Stay Warm and Comfortable in Naperville, IL


Harmonic Heating & Air Conditioning is here to help you keep your heating, air conditioning, water heating and air quality comfort systems running efficiently and reliably for years to come. Call us today! We are an experienced, family-owned company with a focus on honest, customer-service oriented solutions. Our team is committed to delivering friendly, reliable services with a smile. You’ll get only the best from us.

Harmonic Heating & Air Conditioning offers our gas furnace customer rockstar maintenance plans. Keeping your furnace 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 furnace, making it run efficiently and safely. We are fully licensed and insured and ready to help any time of the day or night.

Harmonic Heating & Air Conditioningstarstarstarstarstar4.9 / 5

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


Rock*Star Plans
Harmonic Heating & Air Conditioning is your heating expert! We can take care of any heating system service, repair or installation you need!

An annual gas furnace maintenance call would normally include:

As your furnace or ductless mini split system ages, general wear and tear can cause it to stop working efficiently. And in more extreme cases, older heating systems can suddenly stop working entirely.


  • Upon arrival at your home, we will carefully inspect your gas furnace and note its condition
  • We will change your replaceable furnace filter, along with inspecting your electronic air cleaner and other IAQ systems and cleaning the airstream components as needed. We will also clean the furnace blower and control compartment.
  • We will lubricate any moving parts that require lubrication to prevent noise.
  • We will inspect the pilot light assembly or ignition system and keep it as clean as possible
  • Make sure there is proper gas pressure and inspect the burners. If needed, clean the burners.
  • We'll clean and inspect the air blower as needed. We'll test the amperage and voltage for the fan motor to ensure it is in good condition.
  • Inspect gas furnace heat exchanger for signs of wear and tear. Clean if needed.
  • Inspect the flues and ventilation system to ensure a proper operation. If you have a condensing furnace, we will check the condensation drains and any condensation pumps.
  • Examine the ductwork for loose joints or hangers, and seal with mastic duct sealant if needed.
  • We will check your thermostats for proper operation. If they utilize batteries as a power source, we will change the batteries.
  • We’ll test run your gas furnace for several minutes. We’ll check for proper temperature rise, blower operation, and burner operation.
  • We’ll gather our tools, remove any old filters, and clean up any messes we’ve made.
  • We will clearly explain our services and any troubleshooting issues or recommendations for you.


Harmonic Heating & Air Conditioning is one of the leading HVAC companies in Naperville, IL. Our team of top notch technicians can keep your home or office at the perfect temperature all day and night. We know that your furnace is a key part of your daily life. We stand behind our work with a 100% Satisfaction Guarantee because we value your business. We are standing by to help you from seasonal maintenance to emergency repair at any time of the day or night.


Harmonic Heating & Air Conditioning is your heating expert! We can take care of any heating system service, repair or installation you need!

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.

Concerns?

  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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