1#feinet2001 ; @+ T R' J+ f$ ]- ]6 S6 D3 E1 R! E6 J% y7 M
option 1: Two seperated furnances and seperated control/ O9 j! L' r- L8 n
(for big house > 3000 ft) 0 M# W( J, Y0 a' qoption 2: One furnance with Zone Control device % W4 b4 X0 I5 H6 Q% I
(three zones or fours zone will be good) - total efficiency will be higher & U; k: U& o7 G. S3 _4 F A5 b4 p7 _4 g
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? 6 }/ Q' g- @$ t, [9 `6 q5 m+ n2 @. \/ b. }' v) `9 `
- c4 S+ q+ h( r8 k, Y# joption 1: Two seperated furnances and seperated control 2 B- p0 ?' p+ D r (for big house > 3000 ft)- s' x4 \! I9 |) C; H" @
option 2: One furnance with Zone Control device ( e0 q+ M3 N* b0 E- i8 X (three zone ...6 J' P S8 I6 D0 y5 _" R
十年移民路_ 发表于 2011-3-29 06:36 [/quote]