5 h, n3 p1 C4 y; _/ Yoption 1: Two seperated furnances and seperated control & Z& e3 _7 K# \3 _ (for big house > 3000 ft) $ N" s: q0 |$ d" `5 _( L x! F& a. c1 zoption 2: One furnance with Zone Control device $ L: Q. U( p! T) I% t
(three zones or fours zone will be good) - total efficiency will be higher1 ~% c( R$ q& F4 F+ a6 K' Z; A
# ~- C, ]6 H, D- Z% u$ Y. M
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?" `, m: x* t7 t2 e
9 i% ]3 Q, s; e9 o) C; c: N; A
1 s6 \* _+ K# Y5 m1 X# C! Y/ D& _1 e
option 1: Two seperated furnances and seperated control 9 P: T" i$ }' A1 E9 l u (for big house > 3000 ft)7 v W" |6 O* b' p5 j: j
option 2: One furnance with Zone Control device " t: u" S; ~: B$ p! o Y (three zone ...# s( Q* n! Q! T% k5 I" h9 G- T
十年移民路_ 发表于 2011-3-29 06:36 [/quote]