Posted 04 January 2009 - 05:14 PM
If all you want to remove is the chlorine and maybe a little sediment, a whole house filter is usually straightforward for a plumber to install and only requires a filter change every 6 months. An RO system also requires a carbon filter that needs to be replaced, and may need other secondary sediment filters. I installed one and it was pretty simple...cut out a foot of pipe, soldered on a couple of fittings, couple of flexi lines and the filter. It dropped the water pressure/volume a little bit but it wasnt that noticeable.
RO systems remove most things from water, including the minerals that make it taste good. RO systems also waste a lot of water, since the membranes have to be flushed periodically. Usually they waste 2-3 gallons of flush water for every gallon filtered.
To be honest, IMO the water in Folsom and EDH is pretty good. Nice mineral content, not too hard, not really any nasty chemicals or metals in any high volume. When we lived out in the sticks the well water had arsenic, pesticides, fertilizers and was extremely hard. You needed a whole house RO system with a water softener and storage tank there.
We use a refrigerator mounted carbon/sediment filter and the water that comes out of that tastes as good as any of the bottled water we've tried. Filters are about $20 each, and last 6-8 months.
You can also use a showerhead mounted carbon filter if you're sensitive to chlorine. Cheap, easy to install, and pretty effective.