5 Q9 A6 K& a% B: }option 1: Two seperated furnances and seperated control N5 z @9 ]7 a8 ~/ {: a0 Y
(for big house > 3000 ft) 8 s$ L' O! F, C1 T. d/ Z. E/ q* xoption 2: One furnance with Zone Control device * x; V+ Z. z8 Z
(three zones or fours zone will be good) - total efficiency will be higher4 P# V. e, x8 o' s/ }/ m
0 k% B7 _2 h+ g l3 k" i# i8 `
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?/ Q, `- \! q7 I5 G
# h% i! L5 B& G% q
7 R. ~$ U7 P9 y R+ Ooption 1: Two seperated furnances and seperated control 5 Y5 ^2 ?8 Z- m4 x9 M/ D, k (for big house > 3000 ft) * c5 p& P2 x& g" \1 D! ?9 soption 2: One furnance with Zone Control device , Z7 {/ l: L5 O, V- A3 P (three zone ... U/ G$ Z) t/ c: o
十年移民路_ 发表于 2011-3-29 06:36 [/quote]