Who sells ECM motors (1/4, 1/3 or 1/2 hp) and how much do they cost - (over-the-counter) ?
Unless I'm wrong, they seem to only be available as integrated into HVAC systems (furnaces) and maybe only to HVAC installers/contractors.
Are they sold to the general public- perhaps to those wanting to replace their existing AC fan motors?
Bonus question:
Do ECM motors radiate EM/RF noise, or back-feed noise into the house wiring?
How does an ECM differ from what is called a brushless dc motor?
Bill
Hmm. Other wise know as a DC brushless or AC motor?
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