It is NOT designed to be QUIET, totally independent, not require an exterior is designed to COOL AIR ABOVE ALL ELSE. Anyone who has played with a band in a soundproofed room (or even has been to a concert.?) knows what i'm talking about. My scenario is cooling a drum/guitar studio where I want to spend my money on the construction of the studio and not on the air con. They are useless in just about every scenario EXCEPT very specific ones. Typical equipment covered by our service manuals and schematics: air. The service manual and/or schematic for your model or chassis. Looks like the manuals for your model are not readily available on the internet. Hello, Does anyone know where I can find a manual for a highlander kyd-25c portable air conditioner? Or something like it? Highlander kyd-25c manual. Wall Split Air Conditioner 208-230V/60Hz /1Ph, SEER21, North America, Cooling And Heating. It's been used for sure and doesn't have the rear exhaust hose with it BUT.I actually know what these units are 'good' (and 'bad') for! Descargar El Millonario Automatico Pdf more. I managed to get this off a friend who didn't have further use for it.