Calling on all subject matter experts-
We want to replace the1 HP Whisperflow with a more efficient and quieter pump. We have a 12,000 gallon in ground pool in S. California. The only other feature is a solar system located on my roof next to the pool. The pump is connected to 2" pipes. We're leaning towards a two speed vs. a variable speed due to price; what are pros and cons and what size is optimal? Please note which is quieter as well.
Thank you very much, this is important to us, as we spend much of the swim season in the pool!