1#feinet2001. Q8 e& K3 \# B( y9 y& Z
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option 1: Two seperated furnances and seperated control ' `1 V' D1 S% f, ?3 Q- U (for big house > 3000 ft) 7 |3 l9 m4 p3 @$ b# Joption 2: One furnance with Zone Control device " D/ R/ N, o2 y: O) [ (three zones or fours zone will be good) - total efficiency will be higher+ g8 B) i+ l8 E0 M
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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?% \( }$ P. K" o2 F+ l
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option 1: Two seperated furnances and seperated control* N! O" T# B, r+ x& x" Y# o
(for big house > 3000 ft)3 E( t, u4 [0 n2 ]0 L
option 2: One furnance with Zone Control device 6 H: Q: c3 f& a' S9 D/ g5 ` (three zone ...! u: f0 {# W/ ^# B
十年移民路_ 发表于 2011-3-29 06:36 [/quote]