8 d& ^( D. @8 x, P" K$ b0 d7 ~3 Yoption 1: Two seperated furnances and seperated control$ S7 N8 b* F) p: i
(for big house > 3000 ft) ) I* c W- M7 I& woption 2: One furnance with Zone Control device . ]8 x# G& F* K8 I' Q* I. {: ^
(three zones or fours zone will be good) - total efficiency will be higher) B2 j. C# Q% C5 k
. b( l* y7 G. \3 `# m
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? : o' y0 R9 M, H X5 Y+ e0 H9 t % J' l; g) n$ H( z9 f6 K7 A " j/ r6 t) G3 @, `$ R* z5 foption 1: Two seperated furnances and seperated control+ R; h7 U8 G ?. J
(for big house > 3000 ft)7 N' o& W0 f7 ]- J1 q/ P: v
option 2: One furnance with Zone Control device M$ U% `: d0 Z& h. J (three zone ...; y4 @9 M0 `) e% G5 |
十年移民路_ 发表于 2011-3-29 06:36 [/quote]