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Common Mini-Split Repair Issues and How to Address Them

mini split

With the Central Texas heat bearing down for a significant portion of the year, residents have turned to the efficiency of mini-split air conditioners to keep their homes comfortable. However, like all appliances, mini-splits are not immune to wear and tear. Let’s delve into some common repair issues faced by homeowners and how best to address them.

What Is a Ductless Mini-Split?

A ductless mini-split is a compact, high-efficiency HVAC system that operates without the need for extensive ductwork. Unlike traditional air conditioners that cool an entire house, this system focuses on efficiently cooling specific zones or areas within your home. One of its standout features is its simple installation requirement: just a small three-inch opening in the wall to accommodate a conduit linking it to the external component.

The structure of a mini-split system comprises two main parts: an indoor air handler and an external compressor/condenser. Due to its sleek design, the indoor unit can be conveniently mounted on walls or ceilings. Beyond just cooling, many of these ductless models are versatile enough to double up as heat pumps during colder months, offering an added heating advantage.

Common Mini-Split Issues Faced by Homeowners

Reduced Cooling or Heating: One of the most common complaints is a mini-split not cooling or heating effectively. This could be due to a refrigerant leak, blocked air filters, or even electrical issues.

Water Leaks: If you notice water dripping from your indoor unit, it could be a sign of a blocked condensate drain or a frozen evaporator coil.

Unusual Noises: While mini splits are known for their quiet operation, strange noises like buzzing, whirring, or clicking can indicate problems ranging from loose parts to compressor issues.

Remote Control Malfunctions: Sometimes, the issue might be as simple as a remote control not communicating with the mini-split, which could be due to sensor or battery problems.

DIY Fixes vs. When to Call a Professional

While it’s tempting to tackle mini-split maintenance on your own, it’s essential to know your limits. Simple tasks like cleaning or replacing air filters, checking for obvious obstructions, or even resetting your remote control can be done at home. 

However, for more complex issues like refrigerant leaks, electrical malfunctions, or compressor problems, it’s crucial to call in the experts at The HVAC Cowboys. Not only can DIY fixes for these issues be dangerous, but they can also exacerbate the problem, leading to costly repairs down the line.

The Importance of Mini-Split Maintenance

While routine upkeep is beneficial for all heating and cooling systems, it’s crucial to prioritize regular care for your ductless mini-split system.

A mini-split that isn’t well-maintained can consume up to 25 percent more energy each day it’s in operation. One of the primary perks of a ductless system is its potential to offer energy savings of up to 30 percent compared to traditional central air conditioning systems. It’s essential not to impact these savings by failing to maintain your mini-split.

For mini-split systems to function at their best, it’s essential to ensure unobstructed air circulation around both its indoor and outdoor units. In the Texas heat, consistent filter maintenance becomes even more vital. Neglecting timely filter cleaning can lead to not only increased energy consumption and higher bills but also potential harm to the valuable internal components of your mini split system.

Furthermore, consistent maintenance of your ductless mini-split ensures a longer lifespan for your unit. Given that these systems come with a higher initial cost for purchase and installation (though the energy savings over the years make up for it), it’s wise to protect and prolong your investment for as many years as you can.

Choosing a Trusted HVAC Service

When it comes to mini-split repair in Spicewood, Lakeway, Bee Caves, or Austin, it’s imperative to choose a trusted HVAC service like The HVAC Cowboys. With a reputation for excellence and a team of trained professionals, The HVAC Cowboys ensures that your mini split is in the best hands. They not only address the immediate issue but also provide insights into potential future problems, helping homeowners make informed decisions about their HVAC systems.


Preventive maintenance is the key to the longevity and efficient performance of your mini split. Regular check-ups, cleaning, and timely repairs can save homeowners in Spicewood, Lakeway, Bee Caves, Westlake, and Austin both money and the discomfort of a malfunctioning AC. 

By being proactive and choosing a trusted service like The HVAC Cowboys for your mini-split maintenance and repair needs, you ensure a cool and comfortable home for years to come. Remember, it’s not just about fixing what’s broken; it’s about ensuring it doesn’t break in the first place. Contact us today to help you repair, maintain, or install a mini-split air conditioner for your home.