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"pneumatic or electric" diaphragm sump pump Best Efficiency
- Thread starter Billgas
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With pneumatic, you have to spend energy to compress the air, then use the air to drive the pump. You get what, about 5 cfm per hp with a typical air compressor (if I recall).
If you're only looking at energy efficiency, I think that electric wins hands down, but there are reasons for pneumatic pumps.
If you're only looking at energy efficiency, I think that electric wins hands down, but there are reasons for pneumatic pumps.
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