We have several high efficiency gas furnaces. The furnace itself is
cool to the touch as are the insulated ducts. The only warm-to-hot part
is the sheet metal supply plenum that is uninsulated.
Since the furance is in our unfinished basement, it seems logical to
insulate the plenum right?
- Would a water heater blanket work well to insulate the plenum?
- Any other suggestions for insultating material? (I know regular
fiberglass batts are cheaper but I don't know if they are rated for
contact with a supply plenum)?
Also as a related question, we have a circa 2003 water heater who
outside is barely warm to the touch (if at all). Would there still be
any measurably signiicant benefit to wrapping it in a water heater
blanket or is it already well insulated enough?
On Tue, 9 Nov 2010 16:14:56 -0800 (PST), " email@example.com"
And HOW can insulating the basement allow the pipes to freeze when
they don't in a non-insulated basement????
We are not tlaking insulating the loor between the basement and the
main floor - we are talking insulating the outside walls of the
basement - keeping the heat in. Thia way any heat lost by the furnace,
hot water heater, duct work, etc - as well as heat lost through the
floor, goes to heat the basement - keeping the floors warmer and
reducing overal heating costs.
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