Ductless Mini Split AC Repair: What You Need to Know - Frederick Air, Inc.
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Ductless Mini Split AC Repair: What You Need to Know

Ductless mini split AC systems are becoming more popular in homes across the United States. In Frederick, they are perfect for those charming, historic older homes where installing ducts is impossible. If you’re considering one of these systems, or if you’ve already installed one and are experiencing problems, it’s important that you know what to do. Keep reading for information on ductless mini split AC repair.

[Read: Ductless Systems: the Perfect Solution for Air Conditioning in Homes Without Ducts]

Can ductless mini splits be repaired?

Like any HVAC system, ductless mini splits can and will need to be repaired and maintained. For repairs, it’s best to call a professional. We are a Diamond Contractor for Mitsubishi Electric, which means we’re able to offer you a 12-year product warranty for registered M- and P-Series products. Only Diamond Contractors have a 12-year compressor and parts warranty. [Read More]

Do you have to change an air filter for ductless units?

Yes, there’s still an air filter that continuously cleans the air of allergens, dust, viruses, and bacteria. The filters for ductless systems are usually washable and can last up to 10 years, saving you money on maintenance. To clean a ductless air filter, all you have to do is remove the filter, vacuum it, and put it back into the unit. How often you’ll have to clean your filter depends on your home. You should check it at least quarterly.

What is the lifespan of a ductless mini split?

A ductless mini split system can last 15-20 years if properly maintained. That means regular maintenance of the system and cleaning of the air filter. Keep in mind that advancements in technology might make it more appealing to change the system sooner. Browse the Mitsubishi Electric M-Series and P-Series Catalog.

How do ductless systems work?

The way ductless systems work is actually pretty simple. There is a unit on the outside of the home and a unit inside the property that are connected by electric wires and two tubes. They work together to extract heat and transfer it depending on the season. [Read More]

How do you service a ductless AC?

A ductless air conditioner contains similar parts to a conventional HVAC system, so it is just as important to book annual maintenance. You can schedule a maintenance appointment online or give us a call at 301-663-0300 if you prefer to speak to someone.

The typical maintenance appointment will last about an hour.  During that time, your technician will be checking about thirty items on their list to make sure it’s all running smoothly. The tune-up usually includes the inspection of the heat exchangers, condenser motors, controls,  and any safety devices.


Ductless mini splits also require repair and maintenance, just like any other home heating and cooling technology. We’re experts at ductless AC repair! Give us a call at 301-663-0300 if you’re thinking about installing a ductless mini split system or if your current system needs repair. We look forward to speaking with you soon.

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