In article , "3G" wrote:


same problem with brand new "concord 80 plus" oil furnace (forced air)
runs continuously
heating bill is $1200 per mth. in N.E.
why can't the furnace reach 70 degrees?
it has a hard time maintaning 68 degrees over night.

insulation .................well..................none. built in 1911
returns..................yes
5000+ sq. ft. house

what size should the nozzle be?

Forget the nozzle, insulate the house. Will probably pay for itself in
a year. I thought only Gore paid $1200/mo
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