1#feinet20017 N; I- ?$ P3 T
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option 1: Two seperated furnances and seperated control1 Z& s1 x& a6 T0 y& z
(for big house > 3000 ft) 4 F! K ^% `0 W4 \' m- Q$ {5 n* Doption 2: One furnance with Zone Control device + @/ U- ^( P2 w
(three zones or fours zone will be good) - total efficiency will be higher! ^2 O* T* i4 P3 Y& _% C
8 }2 o6 \/ I5 m. pTotal 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?0 t% B9 Q* P. w
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! Y2 \! \$ n ]6 D
option 1: Two seperated furnances and seperated control1 |& E# s4 S; J" ? B; e6 R
(for big house > 3000 ft) 7 q) [" _8 j# F% q7 Toption 2: One furnance with Zone Control device 5 ?1 Q) J1 e* H; e2 V9 ?* w x2 p- w* \ (three zone ...2 }% l! C! A* {+ ]3 ]. B
十年移民路_ 发表于 2011-3-29 06:36 [/quote]