J.J. Sullivan, Inc.

Jun 2023

Great outfit! They just helped up grade from oil to gas. This is an inherently challenging undertaking for us -- but working with JP was really a pleasure and he guided us from beginning to end -- professionally, efficiently, with patience for a zillion questions, and reassuring us that it would all work out great -- which it did! JP helped us to feel comfortable with all of the decision points -- cutting through lots of variables -- making sure we got exactly what we wanted -- and showing a lot of flexibility when it came time to schedule the actual install. I was honestly dreading it -- an old oil tank had to come out of our basement -- as well as giant original boiler...read full review

May 2022

I've been an oil customer since last winter and they've consistently delivered oil once a month.I've also used them to install minisplits in my home and they did a wonderful job! They had accidentally installed a better unit for me and let me keep it at no extra cost! I would recommend them!

Oct 2021

Twice now, I had other service companies mislead me and botch things in my home HVAC and TWICE JJ Sullivan went over and above to help correct the issues. 1st time 6 different companies came in to look at the older boiler in my new home and then gave me advice to replace the whole system rather than repair - JJ Sullivan were the the ONLY company to tell me "you don't need a new system you just need to clean your filter." A few bucks and 30 minutes later my old system was heating my home just fine. 2nd, Had some issues with AC, and wanted to switch a thermostat to Nest. Two HVAC companies came in - the first I'm quite certain purposely botched things up to take advantage....read full review