請教哪裏去買furnace？

service要價3000-3500美元。本人能把furnace裝起來。不知大家到哪裏買便宜的furnace。

所有跟帖： 

• maintenanceUSA.. -jy101- ♂ (35 bytes) () 04/12/2012 postreply 11:21:53

• 班長好人做到底。我估計15000btu/1000sqft if adiabatic，假設heat loss是4被的話，60000 -sweetptt- ♂ (0 bytes) () 04/12/2012 postreply 11:28:28

• btu，不知是否準確？ -sweetptt- ♂ (0 bytes) () 04/12/2012 postreply 11:29:47

• I would go 65k-70k btu, 95% efficient -jy101- ♂ (0 bytes) () 04/12/2012 postreply 11:32:03

• http://www.alpinehomeair.com/viewcategory_home.cfm -borisg- ♀ (0 bytes) () 04/12/2012 postreply 11:27:00