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option 1: Two seperated furnances and seperated control * e! G7 F6 }, `4 r/ Q (for big house > 3000 ft)& J o- V- G: D8 u% |' [. R F
option 2: One furnance with Zone Control device 1 d0 S1 W/ [# m e (three zones or fours zone will be good) - total efficiency will be higher ; S: D" o' c0 N : K( J3 g5 q4 h% `* d5 ^Total cost is not big difference.
Zone Control device, 会不会象他们说的,互相影响呢? 如果房子盖好后,再自行安装,容易实现吗?+ [+ V" s% }9 `- _0 M: Y
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option 1: Two seperated furnances and seperated control7 b9 ~( R. ? o3 x" b" L( ~1 I
(for big house > 3000 ft)6 Q9 q; P6 \) `3 X- f
option 2: One furnance with Zone Control device " V3 S1 L' T6 i5 H Z( [
(three zone ...' m! e! ^+ R; i- j1 {
十年移民路_ 发表于 2011-3-29 06:36 [/quote]