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option 1: Two seperated furnances and seperated control # D1 W, C/ \; M (for big house > 3000 ft)! `9 J T4 x `* I* {3 X
option 2: One furnance with Zone Control device 4 _) c: X* P2 [) A2 P# D3 o- S
(three zones or fours zone will be good) - total efficiency will be higher: b$ P+ W+ m8 X$ V( B! L
/ d, C9 A/ u. D- a. B' ]1 KTotal 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?* }( u7 M/ L7 w7 r/ i) ]$ |
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option 1: Two seperated furnances and seperated control ' J+ M, T. p* J4 {0 h; L7 {# \ (for big house > 3000 ft) 6 i; y2 K$ W, T; Q; x) b5 @option 2: One furnance with Zone Control device 6 q3 n2 Y/ u" o% K8 k
(three zone ... % v. w: l t7 K6 M1 c& o* `4 }# m十年移民路_ 发表于 2011-3-29 06:36 [/quote]