Nathan
Mostly good experience with J. H. Barlow. We bought a home in 2021 that already had their water softener system installed. Unfortunately, they had made the water softener discharge into the septic, which the inspector said could damage the septic. J. H. Barlow had it in their records something different, but when they came to our house saw that their records were incorrect.
The first winter, the discharge line froze - specifically, the part J. H. Barlow installed. Instead of fixing it, they used a torch to unfreeze it and put an insulation sleeve around the pipe. It kept freezing and still does.
So, mostly, they do good work. This one issue has been a real pain, because when the pipe freezes the discharge comes back and nasty water fills up our brine tank. They clearly installed something incorrectly with the discharge, but either haven't wanted to really fix it or don't know how.
We still use them for other services. As I said, they generally do good work.