1#feinet2001 % N7 H- c9 n; m3 [% s1 o7 e: W& `0 q! h
option 1: Two seperated furnances and seperated control/ S5 X# t0 l7 A# ~ C$ Z: b6 @
(for big house > 3000 ft)5 ?$ m# {; `. W* U( j; R
option 2: One furnance with Zone Control device : X. N! [9 C0 l0 c, G9 ?7 @( Q
(three zones or fours zone will be good) - total efficiency will be higher6 G: m- c3 v0 W( j# S
+ j0 f/ b2 N. P
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? 4 ?) r6 T2 {+ [ / k# U9 J7 a, y* {, @9 Q% w& w& _* F! y
option 1: Two seperated furnances and seperated control. R" m# u& v; U
(for big house > 3000 ft)+ K/ v: f6 f" E( I r, w
option 2: One furnance with Zone Control device 5 _0 K+ D2 \& [& B
(three zone ...2 a8 l# ~4 a& j/ k
十年移民路_ 发表于 2011-3-29 06:36 [/quote]