Does the Heil VS 90 come in a down flow to accomodate no basement hom,esPost created: 2012-10-03 Type of Equipment: Furnace Views: 30This question was created on the page: http://www.furnacecompare.com/furnaces/heil/vs-90.html. No basement home. does this come in a down flow operation. also, what is the difference with the two-stage and the variable speed furnaces Your Answer |