The short answer to this question is yup. As with any appliance or device that my buddy and I purchase, my buddy and I should always perform some form of repair on them! Your car, your iPhone, your kindle, your refrigerator, your home, just about anything my buddy and I own or use needs to be took care of in some way! Regular repair of these items will not only guarantee that they are functioning properly, however it also helps to extend the life of them as well. So, just like any traditional HVAC unit needs to be took care of on a yearly basis, the same rule applies for the ductless mini split a/c. And though the ductless is a smaller & more compact unit than the traditional heat pump, the repair is pretty much the same. Maintenance for a ductless mini split a/c includes changing the air filter, cleaning the condenser coils, cleaning the drain pipes, and cleaning any debris away from the outside portion of the unit. While this might sound like a lot of upkeep, the fantastic news about a ductless mini split a/c is that you don’t need to spend my money a professional HVAC professional to perform the service. Just like how you can install the unit separate from professional help, none is required for the repair. This means, using a ductless mini split a/c unit will easily save a few hundred dollars each year. In no time, that ductless mini split unit will spend my money for itself. So, yup, it’s recommended to perform annual repair on a ductless mini split a/c as it will help with the overall performance of the HVAC unit.