1#feinet2001 ) J, O7 X$ F) S6 {, Z & q0 Z& v N) H" H/ k8 G% _# z3 soption 1: Two seperated furnances and seperated control" f' l. r/ c7 a* w- m X
(for big house > 3000 ft) * C# n& O; { E' u' [1 I1 toption 2: One furnance with Zone Control device ( Q. D [) c' @
(three zones or fours zone will be good) - total efficiency will be higher 4 c1 X. G! i1 E' J% k5 I8 F3 R( L9 A6 z% M' o! \9 p" w
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) z0 f; V) M' X) O+ p" E) }2 s/ {
4 f. ]/ |2 h' P" z8 e0 F. j + V2 |; F, l2 r+ joption 1: Two seperated furnances and seperated control6 G7 n9 E; t. \: G8 V
(for big house > 3000 ft) 0 m2 \. S+ f3 Boption 2: One furnance with Zone Control device . C0 R- x% X3 F (three zone ... : D- U5 L- P* a十年移民路_ 发表于 2011-3-29 06:36 [/quote]