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  I've had a long history with Sullivan. At first, it was just him and the maintenance was extremely inconsistent. Communication was the same. Then he hired, and the normal maintenance... read more of the tub water was done very well. I can't remember his name, but the guy doing the service was really nice, relaxed and competent.

Unlike others in these reviews, my experience with mechanical maintenance done by Sullivan was abysmal. Bad communication, incorrect recommendations, etc. A response you might read will be along the lines of "he didn't pay his bill" - which is true of the last service period because it took me months to get a callback and resolution. They issued an invoice which was being filtered by a system I use to kill various kinds of spam and newsletters, so I didn't see it. Instead of calling to ask about it - months later he *showed up at my house as I was moving out WHICH IS SUPER WEIRD AND CREEPY*

So, yeah, I'd pick another vendor. I think the people that work for him are great but Sean Sullivan isn't running his business professionally.

  I have a really old hot tub and Sean and his team have been great in keeping it running. Just recently the tub had a leak, and... read more it was challenging to figure out how to fix. They persisted, came up with a solution after an initial try, were very fair in their pricing, and Micheal did a great job in fixing it.. No more leak.
I highly recommend them.

  I am very happy with the job that Nate did for me. I met once with Sean and he made himself available by phone when I had questions, and I... read more appreciate that.
Nate's work was incredibly clean. Their proposal came in at the high end, but what made that worth it was that I didnt have to supervise every step. I told them what I wanted and they got everything done.

  Since he was out of town and unresponsive to my "heater doesn't work and I am freaking out and can't figure out how any of this stuff works" incident, Sean... read more has been really responsive in helping out with what's a manufacturing issue on the heating element for the hot tub.

He seems to have permanently fixed it by hacking it himself, and will soon be installing a Nest-style system so that I can turn on the hot tub from my phone!

Yay for the Internet of Things. Also for cedar hot tubs (that heat up reliably).

  I was hoping for more. I reached out to Sullivan Waterworks in January, explaining that I've had trouble with my hot tub chemistry (the tub was about 7 years old)... read more and hoping they'd partner with me to get things on track. After each visit, I emailed them that the water turned murky and would they help me trouble shoot. Team members and Sean had contrasting advice on how to solve my issues.
After paying a total of $1,000 between drain and refill, replacing the ozonator, and 3 months of monthly service, I gave up. Sullivan replied they could drain and refill again at a reduced cost. After I'd already invested $1K-- the discount amounted to too little, too late.
Seems to me they just wanted a routine going through the moves, but not to take me on as a customer with a more complex issue to solve. Disappointing.

  So pleased to be able to give an A+ review to Sean and his team, since I've felt like I've not been happy with previous hot tub repair folks.
... read more /> My hot tub died just after the New Year in the depth of the cold and rain. Sean was able to get someone out right away to do a diagnosis: looks like the pump was installed improperly by the last tech and the seal leaked water onto the pump and shorted it out. Since my pump requires a very specific type of pump, this is a very expensive repair, alas.

Sean was extremely up front and informative about the costs (and the reason for the costs), got his guys out there as soon as there was a little break in the weather, and had me back up and running quickly.

There was a tiny hiccup with the guys leaving a box of leftover materials on my deck -- when I called him, he apologized and came by himself to pick it up.

I feel 100% satisfied with everything about the service: the quick responsiveness, the clarity of the communication the customer service focus. Really happy to find this vendor/get to know about Sean and his company!

  I had a series of very helpful emails with the owner. After I sent pictures, he gave me an estimate that was one third less than the estimate... read more given by another company. Sean and Liam came out promptly, installed a new pump, discussed the whole system with me and offered some ideas for the future. I am completely satisfied, and if I have another problem, I will certainly call Sullivan Waterworks.

  Great work! Figured out the problem very quickly and now it's working great! A+ work.....Hot Tub time tonight!

  So competent! Been over a month since hot tub worked. Mike from Sullivan Waterworks finally came yesterday and installed a new heater and other special work...no additional charge. I am... read more so appreciative I finally found them . I might just have an every 8 week service as a result.

  Nate came out and did an incredible job cleaning/filling as well as explaining how everything in my custom hot tub worked. He was an extremely nice, pleasant and detailed teacher... read more in explaining how to maintain my hot tub going forward. I highly HIGHLY recommend their services.