What is a ductless mini-split system? A ductless mini-split system is comprised of an indoor unit called the evaporator and an outdoor unit called the condensing unit. The evaporator is connected to the condensing unit by copper tubing and electrical wiring which is passed through a 2 ½" - 3" hole.. AIRSTAGE SINGLE-ROOM MINI-SPLIT SYSTEMS; AIRSTAGE SPLIT TERMINAL HEAT PUMP SYSTEMS; AIRSTAGE MULTI-ROOM MINI-SPLIT SYSTEMS; Central Air Conditioners, Heat Pumps, and Furnaces; Service & Support Product Registration; Warranty Lookup; Downloads; FAQs & Troubleshooting; Contact; Support Tool; Media Library AIRSTAGE MINI-SPLIT Benefits. Energy.
Learn how to register Fujitsu systems for warranty purposes in just a few easy steps.. Claim a Fujitsu Mini-Split warranty in a few clicks. Featured in The Verge, Wired, CNN, and more!. Fujitsu Warranty Registration Explained. To obtain the extended Fujitsu warranty, you need to register your system online by following these steps: Visit the Fujitsu General website;