T2 w* V- Z9 b2 s' moption 1: Two seperated furnances and seperated control- l9 i- T5 T8 X: T7 K& @
(for big house > 3000 ft), T( J2 Q2 n0 |
option 2: One furnance with Zone Control device ( h) W; p$ q* q
(three zones or fours zone will be good) - total efficiency will be higher$ H$ z: J K A5 t/ V9 t. _
0 G- A- E' F( X. v3 ~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?2 u- e8 T9 L' D% n) x; _9 o
8 {4 F% o+ u5 d& `/ H* A
) d! }1 a: H, }$ w; L2 p
option 1: Two seperated furnances and seperated control K N7 G9 O R$ l
(for big house > 3000 ft) 4 n) p. y* R2 N" u" e' Ioption 2: One furnance with Zone Control device % a+ e4 M, h2 M {- e( P* r9 ~
(three zone ... 1 Z% l, C) V3 e十年移民路_ 发表于 2011-3-29 06:36 [/quote]