3phase roof top unit be most efficient..

来源: jy101 于 2012-08-08 09:40:15 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (222 bytes)

3 phase roof top unit be most efficient..

if you put on ground, you will need stretch ducks across 50+ ft....to supplement that, you may need 2 zones, meaning using two 4 ton outdoor condenser and 2 furnace/air handler.

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