Excellent, friendly and punctual service. I would definitely recommend this pool service company.

Simply the best! Always on time...always thorough. And most importantly, honest. I highly recommend Gran Sasso.

This was my first year using Gran Sasso for a complete seasonal pool package that included pool opening, weekly service and closing. I couldn't have been more pleased with the quality of service...

Gran Sasso comes during the week, usually Thursday while I'm at work. They do adjustments, make sure the chemicals are proper, vacuum, tend to all the filters and make sure my pool is crystal...

I highly recommend GranSasso, Inc. for your pool service needs. We needed to replace our pool heat pump and were lucky enough to choose GranSasso, and an AQUACAL heat pump. Right from the...