Replace compressor/evap with mini-split/cassette in 3 storey townhouse?
I have a 3 storey townhouse, 1700sqft. I’m replacing a 20yrold 1.8T Bryant by front door, evaporator coil in the plenum. Problems with leaks (40ft line!), noise, energy $ to push cold air up 30ft of duct + (in winter) evaporator obstruction to hot air. I’m thinking a mini-split on the roof gable, feeding a cassette in 3rd floor ceiling (line ~12ft). How can I make this work?
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