Forum Discussion

cannesdo's avatar
cannesdo
Explorer
Dec 19, 2015

Has anyone insulated to cut down on furnace noise?

I know I've heard of people doing this before. There is 3/8" to 5/8" of space above it and it's very open on the sides. What are the dangers of doing this? What kind of material would you use and wha...
cannesdo's avatar
cannesdo
Explorer
Dec 19, 2015
Old-Biscuit wrote:

That minimum is typically at least 55 sq. inches
Always meet minimum return air requirements


Yeah, I'll check on that. This means 55 sq inches of grill space? Like an 11x5 area (2D) of air intake left open, yes? Can the soundproofing be applied to the furnace itself or does there have to be an air pocket between the furnace shell and the soundproofing material?

Thanks for your help...

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