Ductless Mini-Split System Tune-Ups

We're Crystal Lake’s Mini-Split Service Professionals

Mini-Split Heat Pump Tune-Ups Near You

To ensure year-round efficiency and reliable operation, it is important to service your residential or commercial mini-split heat pump during the seasonal transition period. HVAC equipment is probably the most important equipment in your home, and so it is critical to make sure that any system is kept in peak operating condition.

Our knowledgeable HVAC and mini-split professionals can perform semi-annual maintenance services so that you can get the most out of your investment. This will ensure you stay comfortable all year long and can reduce energy consumption costs by up to 20%.

Our technicians will carefully inspect and perform a number of tests on your ductless mini-split system to ensure that everything is in proper working order. During the service visit, we also take the opportunity to inspect and clean your filter(s) which will help prolong equipment life, improve performance, and reduce energy costs.

Why Choose Harmonic Heating & Air Conditioning?

Serving Crystal Lake Since 1986
We Work With All Makes And Models
24/7 Emergency Service
NATE-Certified Technicians
Award-Winning HVAC Service

Ductless Mini Split 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 interior blower motor and blower wheel
  • Examine the outdoor unit blower.
  • 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 Heating & Air Conditioning, we take pride in offering comprehensive mini-split maintenance services for all makes and models in your space in Northern Illinois. Our highly skilled technicians are trained to provide meticulous inspections, thorough cleaning, and precise adjustments to keep your ductless mini-split system running at its best.

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

©Red Barn Media Group 2024