1#feinet2001 , U7 F3 Z, f; \5 u! j; a$ o: s; q- ^
option 1: Two seperated furnances and seperated control ' q: c3 n0 ~8 ?! k$ V7 w5 X) B( T (for big house > 3000 ft) 1 n7 [3 M: e9 zoption 2: One furnance with Zone Control device * ^3 h: _: n' N5 g& `2 r" Y8 \ (three zones or fours zone will be good) - total efficiency will be higher ! J7 y V* y; m. n u& l6 r F 7 g) N8 ]4 q" v3 J* E6 g$ y+ X( UTotal 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?$ q" ^* f- C {9 |$ k
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3 F$ s `0 i2 z# ooption 1: Two seperated furnances and seperated control " y& q; f. {9 k: K (for big house > 3000 ft) . r. K( S0 l, W( M: {option 2: One furnance with Zone Control device 3 W) x6 u7 f2 O+ [ (three zone ... : D3 p9 p; M R- }十年移民路_ 发表于 2011-3-29 06:36 [/quote]