They have new type pumps that are not as loud as before and are install not in the unit itself but above.
If possible use gravity... but the new ones should be satisfactory . The closer the inside unit to the outside
compressor the better... there is a maximum distance... I am sure most units are fine.. i have used both
Mitsubushi (5 yrs warranty) and LG units (10 yr warranty) you can have a wall mounted units or ceiling
style (self contained units) both same price. Currently I have 2 ceiling mounted LG Units in my enclosed
Lanai which is about 950 sq ft. with lots of glass and sun... Heats and cools fine... very economical
the unit is 2 ½ tons.. runs ultra quite outside, sometimes do not even know if operating.
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