This question is obviously intended for those that live in places where tap water is “safe to drink.”
I live in Southern California, where I’m at the end of a long chain of cities. Occasionally, the tap smells of sulfur, hardness changes, or it tastes… odd. I’m curious about the perspective of people that are directly involved and their reasoning.
I’ve had two 3m systems and have had no problems. I installed sensors in both for monitoring particles in input and output lines. You don’t need to do this, but I think it’s reassuring to see that your tap input is relatively stable and nothing has gone haywire with system contamination or a bad filter etc. My 3m systems were both quite small and maintance has been simple (once a year). I imagine the different systems are all relatively similar. My first home came with the 3m system and I liked it so installed I next home. Afraid I’m not a good comparative source.