Considering 2 speed pump? Here's a cost comparison.

[cruzmisl]

For me, I have a spillover spa, 2 stair jets and 2 pool returns. I typically only have the spillover spa going but if I have a party I want them all going. So for me during the week I can leave it on low speed to ciculate and filter the water but if I need more power I have it. No point in having a 1HP pump going 12hrs when I don't need to. Others could also use the 2 speed for vacuuming but I have a Dolphin and a Poolbuster so I don't need it for that.

As for true cost savings, who knows. I do know the calc's made it easier to convince my wife we need a new pump

[larry2338]

I'm also considering a 2-speed pump and wondering if there is a substantial difference between brands. Is there any reason not to go with whichever brand of pump is cheapest? Are they all reliable? Why would I buy a Pentair 1hp 2-speed for $479.00 instead of this company's 1hp 2-speed for $335.00?

http://www.electricmotorwarehouse.com/pool_pumps.htm

[CarlD]

Dave:
Your premise is, at least for me, not valid.

My use of high speed is primarily for backwashing. When I used a hose vacuum, I would need it then. But now with autocleaners and a PoolBuster, the hose vacuum's been the cellar for 2 years.

I have solar panels and they work well with low speed. They ARE more efficient at high speed, but if the water is warm (89-90) why bother?

I sometimes use high to circulate the water more--to make the skimmer more efficient or distribute chems faster. But generally, low is JUST FINE.