5 R$ G+ H9 q& a W; w* Q5 W1 b/ Soption 1: Two seperated furnances and seperated control " G8 V- w5 O ^% x r6 ? d3 l (for big house > 3000 ft)2 k e; a: t) Z- N2 u
option 2: One furnance with Zone Control device 6 X7 Z# E/ z v1 `8 P (three zones or fours zone will be good) - total efficiency will be higher( Z$ W) Z3 G- {5 g
4 y7 }9 v* C% D9 P" xTotal 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?5 k: N: e5 p- d
* x& Z" {/ D$ y1 O
" ]3 H* v6 b* i% |0 V& j# ~. voption 1: Two seperated furnances and seperated control / W4 u- G/ B3 A1 a, v (for big house > 3000 ft)4 a) ^( F; \; a! D7 c
option 2: One furnance with Zone Control device # u8 V. }2 Q; n0 O) q
(three zone ...& G& ~* Q; ?- w
十年移民路_ 发表于 2011-3-29 06:36 [/quote]