Quote Originally Posted by travajante View Post
Where there are options, I'd stay away from cassettes. Drain requires pump function, lines above the ceiling need extra insulation + gutter system, & the ceiling where 1's installed on is best of washable material or coating. The areas around the vents have the tendency to get dirty. Cleaning of both the unit & the surrounds will take a bit more care.
When line leaks happen, expect access & damage to the ceiling.
Cassettes are wonderful for the 'industrial' ceilingless approaches, though. Air distribution by these can be even & area-dedicated.

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madalas namin tawagin ang aircon maintenance in the workplace, due to our cassette aircon's "needing more than its fair share of servicing", compared to the alternative.
hassle din serbisin. mabusisi.
one would probably favor it because one has no alternative.