sam2010 发表于 2016-5-31 11:28( R) A7 B: c% B6 q
it depends on the capacity of the furnace.% R8 Y2 k- S6 [5 Z
a furnace with 3000 cfm blower, 100mbh or above gas inpu ...
6 t& n1 P p: U5 p5 c# b谢楼上的专业解答,你说的跟cmf blower跟那个什么BTU有什么关系吗?; H; f" O& L. Y! t+ o9 j4 Z