"Williams & Associates replaced an ancient, very large old boiler in my very large house. Bruce calculated the necessary size and found a suitable boiler. He and his crew thoroughly cleared the radiators and lines before removing the old boiler and installing the new one. They checked all the radiators and added new valves as needed during a lengthy checkout. It took several days to do all the work. Throughout, Bruce explained what they were doing and why as well as recommending changes/additions to the original proposal. They were even cheerful about removing the original "Mary Jane" from the basement. I would definitely recommend them to anyone using steam heat. Great job!"

"I would give him ten stars. He did a fabulous job. He gave me a fair price. He filled me in every step of the way. I would highly recommend him to everyone.He cleaned up every day. I think he loved my vacuum. I trusted him with my home. I would hire him again in a heartbeat. He replaced my pump up system in my downstairs bathroom. He had to dig two feet below my foundation. He took out the old shower and installed a new one. He replaced my sink. I told everyone in my family if they need plumbing work to use him."

"Prompt response to inquiry and fast turn around with estimate and proposal. Installation was professionally done."

"Chris and his team were a pleasure to work with on our hot water tank and boiler replacement project. We are very happy with the results and look forward to working with them again on future projects."

"Excellent Service. Joshua is not only a great guy, but also a master of his craft. He is very detailed, his response time is quick and does exceptional work. Heâ s my plumber now."

"Flavio did a great job installing 3 exterior doors. He was knowledgeable, professional and efficient. I would highly recommend his services."

"The promptness of service was outstanding. The repair was completed in a timely manner. The installers were professional and knowledgeable. Ocean State Mechanical is my company going forward. No one else will do. See you soon for the AC"

"My daughter didn't have any hot water in the home that she purchased. Her only source of hot water was through a coil attached to the boiler. This house is very old and no one had ever thought to change out an obsolete system with a hot water heater. Anyway, the coil wasn't heating the water. it did at first, but the warm water only lasted a few minutes. We contacted a lot of plumbers and JMB Plumbing was the only one to call us right away. Jim came out and informed my daughter that the coil system is a terrible system and she should replace it with a hot water heater. So, that's what she did. The price was really good, the service very professional, and it was definitely the correct decision. I would hire Jim again in a minute. He is very friendly, courteous, and won't rip you off. He has very reasonable prices and does great work."

"They advice, and had all our questions answered on sensible and affordable options. Very knowledgeable, prompt, polite, efficient, and thorough team! We are happy with their waterproofing services in our basement (fast sump pump and a grate trench with a discharge line that goes 15 feet to the outside bubbler) as well as crawl space shield installed under our addition. It works well, and Pioneer checked a month later and a year after for inspection and cleaning. A+ work and workers."

"Mo was incredibly helpful at getting my AC back up and running. Quick diagnosis, charge and even helped with a boiler issue. Thank you Mo!"