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Writer's pictureMarco Thomas

9 tips to fix the most common ductless air conditioning problems

If you're a homeowner who has decided to install a ductless air conditioning system, you're likely hoping for years of comfortable cooling without any major problems. However, even the best systems sometimes experience issues. If you're having trouble with your ductless air conditioning system, read on for nine tips that could help fix the problem. First, however, it's important to understand the basics of how these systems work so that you can troubleshoot effectively. Keep reading for more information!


Do you want to keep yourself cool in the hot summer months without duct work? If yes, ductless air conditioning is the one for you.


Installing ductless air conditioning in your home can be a lifesaver during hot summer weather. These units are known for their energy efficiency and small profiles. But, even ductless ACs need some TLC every now and then.


Here's how you can avoid common ductless AC problems with these easy tips:


1) How to check if your ductless unit has frozen?


A frozen ductless system occurs when the line set (that connects the outdoor condensing unit to the indoor evaporator) freezes because of low airflow or lack of heating. Check if there's ice on the outside condensing unit or if the line set has frozen. If you notice that your ductless AC is not blowing cold air or there's frost on it, turn off the outdoor power supply to the compressor and wait until the line set thaws out.


2) How to fix ductless AC installation problems?


Different ductless units operate at different pressures, so make sure you get a professional to install your ductless system for you. The installer should ensure that all connections are properly sealed and insulated. Professional ductless AC installation ensures better energy efficiency since there are no leaks in the ducts.


Ductless Air Conditioner Installation San Diego
Ductless Air Conditioner Installation San Diego


3) Why does oil leak from my ductless AC?


Oil leaking from an AC unit isn't normal because it's a sign that there's an oil blockage. There are two possible reasons why your ductless system is leaking oil:

  • The condensate drain line is clogged with lint or dust particles. You can clean the drain line to get rid of this problem.

  • The fan motor bearings might be faulty, so you'd need to replace it immediately to avoid further issues.

4) My ductless AC stopped blowing cold air - what should I do?


If your ductless AC stops cooling suddenly, check these things first:

  • Is the outdoor unit working? Is it producing sound when running? If not, try turning off the power supply and pulling out the fuse in case something has shorted in the compressor.

  • Is the ductless AC plugged in? Is there a power supply to it? If not, check your main circuit breaker or fuse box.

5) How can I prevent ductless AC problems?


You can avoid ductless AC issues by following these tips:

  • Keep all vents and ducts open.

  • Make sure you replace and clean air filters regularly.

  • Clean your ducts to ensure good airflow for your cooling system. And make sure they're properly insulated to reduce energy costs and keep your home cool and comfortable at all times.


Ductless Air Conditioner Installation San Diego
Ductless Air Conditioner Installation San Diego

6) How to use a ductless AC filter?


A ductless air conditioning system has an evaporator coil and a condensing unit. The evaporator sits within the duct work and receives cooled refrigerant from the ductless AC compressor. Moisture in the air then passes through the evaporator, absorbing heat as it does so. This process cools down your home while reducing humidity. To keep your ductless AC running efficiently, you need to replace filters regularly (usually once each month). Dirty filters can decrease airflow and cause reduced performance in cooling your house .


7) How much do ductless units cost to repair?


Ductless units are generally low-maintenance because they have fewer components than traditional central AC systems. Repair costs for ductless AC are much lower than dusted systems, but you might need to spend more money on repairs the longer your ductless system has been in place because components might age faster.


8) What causes water damage to ductless AC?


If there's a leak or break in the line set, refrigerant can escape outside and cause condensation inside the ductless unit. This build-up of moisture damages the compressor and other parts. You'll need to turn off the power supply to your AC immediately to avoid further damage caused by humidity buildup inside the evaporator coil. Fixing this problem will require professional ductless AC repair services .


9) Ductless air conditioning junk?


Junk ductless ACs can cause all kinds of issues. They're not as efficient as new ductless systems, and they might cost more to maintain. Plus, you'll lose money on your energy bills because ducted air conditioning units don't work as hard to keep the house cool .


Conclusion: If you're having problems with your ductless air conditioning, don't worry. We're here to help. Contact us EZ Heat And Air today for assistance and we'll get your unit up and running in no time. Thanks for reading!


Author Bio:- Michael Cabral


Michael is a marketing manager at EZ Heat and Air. He loves writing about innovative and hybrid HVAC installation tips. His articles help readers to have valuable insights into the importance of duct cleaning, water heater maintenance, and repair, optimum working of the thermostat, Mini-split and heat pump installation in Orange County. Read articles for more information on keeping your HVAC system in tip-top condition and leading a hassle-free life.


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