Mini Split Repair & Service

Crystal Lake’s Mini-Split Experts, Just A Call Away

We Have You Covered For Mini-Split Repair

As more Illinois homeowners have invested in ductless mini-split heat pumps, there has been an increasing need for professional repair capabilities — that's where our HVAC pros at Harmonic Heating & Air Conditioning come in. At Harmonic, we have decades of industry experience and the factory training needed to professional repair any brand of advanced mini-split heat pumps.

If your commercial or residential HVAC system in the McHenry County community is not running properly, reach out to us now. Our NATE and EPA-certified, licensed, and factory-trained team of heat pump technicians guarantee dependable, professional service for your space’s HVAC system near Crystal Lake. Contact us today to learn more and get started on your service!

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

Common Mini-Split Service Issues To Look Out For

Wondering why you’re experiencing issues with your mini-split? Improper installation is the most common cause of mini-split heat pump failures. We know how efficient and comfortable a ductless heat pump system can be, but if it's improperly sized, or improperly installed, they can disappoint. These issues can include:

  • Improper zone sizing: If an indoor unit is too small it will fail to properly heat or cool in extreme weather. If it is too big, it will cycle on its lowest output and fail to properly dehumidify.
  • Condensation Leaks: caused by indoor units installed out of level, or crimped or obstructed condensate lines.
  • Refrigerant Loss: due to improper installation or mechanical damage. This will result most commonly in reduced system capacity over time in the first year or two after installation

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Another common reason for mini-split problems is lack of maintenance or component failure. Watch out for these signs if you think lack of maintenance may be the underlying issue with your ductless system.

  • Dirty indoor or outdoor coils
  • Changes in heating or cooling capacity over time.
  • Noisy operation indoors
  • Noisy outdoor units may indicate a motor, compressor, or reversing system failure.
  • Outdoor units failing to start may be caused by improper wire or breaker sizing, a tripped fuse, or failed outdoor component.
  • Indoor zone failures may be caused by loose or defective control wiring, or obstructed or failed IR receiver.

If you’ve been experiencing any of these problems with your ductless mini-split system in your home or commercial space in the Crystal Lake and McHenry County areas, give us a call. Harmonic Heating & Air Conditioning has the skills, experience, and professional team to take care of the problem ASAP.

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