7 m) ?- R+ G: _) U" y) e0 Xoption 1: Two seperated furnances and seperated control7 W$ M6 b4 `/ x
(for big house > 3000 ft)& r2 W4 m! }0 z8 @& {, w* I
option 2: One furnance with Zone Control device 5 K4 ?$ W/ V9 B" ] (three zones or fours zone will be good) - total efficiency will be higher) n* H. _4 {4 V- A2 p
. G% X& g" ?, q2 ]* s5 |0 |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? , `. F0 C+ X1 k( O5 Y$ j+ {. ^4 o1 r6 w1 P: R) A
% l( }. |+ n& o" m0 d% t# z
option 1: Two seperated furnances and seperated control0 [: d5 s7 \, \! j: F
(for big house > 3000 ft) 8 M: [ M. o g! V0 o8 ~option 2: One furnance with Zone Control device $ K! c. A6 S( _' H9 K (three zone .../ r- Z( _! H3 J6 u% g [* L
十年移民路_ 发表于 2011-3-29 06:36 [/quote]