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option 1: Two seperated furnances and seperated control c6 |. {4 E. {! w (for big house > 3000 ft) $ ]# w$ t/ l( boption 2: One furnance with Zone Control device " j/ E, N! a* I+ U: Z (three zones or fours zone will be good) - total efficiency will be higher 8 |' E% c2 x% _ - M* e9 y( ]9 c3 i) c9 n9 jTotal 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? / n, G; R3 O8 e6 F7 n, C- w. F+ F2 e" o% E. y. D* K! G
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option 1: Two seperated furnances and seperated control. H1 ^) J2 m% C
(for big house > 3000 ft)9 U: Q: V: P% h; Q+ f1 S; D2 g
option 2: One furnance with Zone Control device , ~) k: ]( _4 a2 G
(three zone ... # \+ t1 K/ {0 [6 j$ R十年移民路_ 发表于 2011-3-29 06:36 [/quote]