Dc pumps use less power for the same work. I know this is true because of what we were taught in ac/dc motors and i have seen the difference in my new furnace. We replaced and ac fan furnace with a dc powered fan furnace. I run my fan 24/7 365 days a year to try keep the basmemt and up stairs reasonably close in temps and what we have seen is a 20 buck a month drop in the power bill with no other changes.
So if you have the option of going dc do it. Aside from the lower power consumption the fine speed controle is better.
Steve
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 *everything said above is just my opinion, and may or may not reflect the views of this BBS, its Operators, and its Members. If cornered on any “opinion” I post I will totally deny having ever said this in a Court of Law…Unless I am the right one*
Some strive to be perfect.... I just strive.
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