1#feinet2001 ( x; y, D5 K1 u( B; W; y% J: n2 s" Q
option 1: Two seperated furnances and seperated control& [/ p: l8 |) x' p" E8 E
(for big house > 3000 ft) + U; ]8 H% t1 Z3 ~option 2: One furnance with Zone Control device 9 C3 R; g& B1 b, h. y+ O6 k (three zones or fours zone will be good) - total efficiency will be higher $ r' A7 E8 a& a$ ?- U& `: ? # A5 G: O: {. P7 B! dTotal 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? x2 S+ V/ O: v! d! a9 u6 J2 ~+ Y- `4 x2 U+ Q' S
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option 1: Two seperated furnances and seperated control . L5 s# a0 e! u (for big house > 3000 ft)$ y: Z# d% i3 c9 O
option 2: One furnance with Zone Control device ; O/ H( D) F I" r8 S' a
(three zone ... 3 T; o9 Y" m: C十年移民路_ 发表于 2011-3-29 06:36 [/quote]