1#feinet2001" H& c! A T f+ U$ s( s7 ]
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option 1: Two seperated furnances and seperated control " {7 K2 ?7 h, t (for big house > 3000 ft) 3 y! i6 T% F$ c, ^option 2: One furnance with Zone Control device - @! o& n0 k+ | (three zones or fours zone will be good) - total efficiency will be higher0 o8 b0 w6 D `# l& a$ `
7 ], I; |! v1 x( n; b
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? ' k \9 \* s ^" \) L9 I7 j 1 T# ]4 x d! X( K) Q " R* `. j5 c# Y1 \, {5 K% ~option 1: Two seperated furnances and seperated control H8 }' N- D3 I' H& m (for big house > 3000 ft) ( F# E; N$ A9 Y" Aoption 2: One furnance with Zone Control device # C$ M: @0 l! G4 `" Y (three zone ...& w. M6 D! A5 e4 c7 g9 ], a1 x1 w- k
十年移民路_ 发表于 2011-3-29 06:36 [/quote]