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hvacrmedic hvacrmedic is offline
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Default Has anyone ever replaced their conventional furnace fan motorwith an ECM motor?

On Dec 22, 12:56*pm, Some Guy wrote:
Would it kill you guys to trim your posts and not full-quote?

Full-quoter hvacrmedic wrote:
Right save 60$ a year, spend 600 for a motor,, 1000 for the board,
get a 1-2 year warranty on a motor that has a record of lasting 6,


Again, what is the over-the-counter cost for an ECM motor?

You won't need to spend $1000 for a controller either.

Look. *An ECM retrofit probably doesn't make sense now that I've done
the math. *But don't add to the hyperbole by saying that $1600 is the
price of admission for an ECM motor.

And even the greenies who have one installed because their looking
at the environmental aspect (less energy), they should
take into account that the old motor becomes trash in the landfill,


Wrong. *The old motor would be set aside, and used as a backup when
(or if) the ECM motor dies. *In fact, if the ECM motor does indeed die
after only 3 to 6 to 10 years, then most probably the old motor would
go back in and never again be replaced with an ECM motor.

For those who simply "want" an ECM, it can certainly be done,
but there is no practical advantage in this case,


Again it all depends on what the over-the-counter cost is of an ECM
motor.

The only price we've heard so far is $600, which if I understand the
context was a HVAC contractor repair price, which represents a markup
of at least 100%.


If you can obtain one wholesale than that would be an advantage for
you. If you could install it yourself that would mean even more
savings. People do this, and even though they've bypassed me (the
contractor) I don't care. More often than not they screw something up
and that means I get to charge them even more for the repairs when
they finally do call. Some get it right the first time. Good for them.
I can't criticize because I've never once taken one of my vehicles to
a shop for repairs, I've always managed to repair them myself. If I
ever do cause an engine to blow up I suppose that'll make the repair
shop owner happy. I don't expect that'll happen though, since I could
have just as well walked into an auto shop and filled out an
application as into an hvac shop. The only difference between most
auto mechanics an me is that they did walk in and fill out that
application.

The bottom line is, when in doubt don't. It's those that ignore this
advise that tend to make things worse for themselves.