lanman wrote:

On Thu, 03 Apr 2008 07:54:44 -0400, Jim Elbrecht
wrote:


lanman wrote:

-snip-

That's a good point. All things being equal, what is the cost
difference in the monthly bill for an 83% efficient furnace vs. a 92%
efficient furnace?

I'm probably missing a step- but roughly 9%.

Jim


LOL.

Is it really that straightforward, e.g., a $100 bill would be $91 with
the better furnace?

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Hmmm,
Ultra high efficiency furnace tends to give more trouble. If you want
it, get an extra warranty coverage specially for variable speed ECM DC
motor. Saving is for the LONG term living there for long time.