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To ECM motor or not?

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  • Aug 30th, 2019 8:24 pm
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[OP]
Sr. Member
Mar 7, 2008
702 posts
185 upvotes
Leask

To ECM motor or not?

So I am replacing my air exchanger (HRV) and many model now have optional ECM motor.

The old PSC motor should be reliable but you don’t get the efficiency like the ECM.

What’s the word out in the real word. Is ECM really that unreliable?
2 replies
Deal Guru
Feb 9, 2006
12348 posts
6923 upvotes
Brampton
ECMs are fine.
The problems with them are the control boards. It's another point of failure.
That said
I wouldn't go PSC with an HRV.

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