HTO Plumbing & Radiant
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HTO Plumbing & Radiant
TJ Modelski, Owner, has been installing plumbing and hydronic heating systems since 1996. He has a Bachelors of Science in Architecture and Design from Lawrence Tech University in Southfield, MI. He became a Journeyman Plumber in the State of Michigan in 2000 and in the State of California in 2003.

TJ earned the C-36 (CA Plumbing Contractor license) in 2006 and the C-4 (CA Boiler, Hot Water, and Steam Fitting Contractor license) in 2008. He continues to increase his knowledge by attending educational workshops on topics such as solar water heating, tankless water heaters, and various new technologies.
Services
HTO PLUMBING & RADIANT specializes in the design and installation of complete plumbing and radiant heat packages for custom homes and commercial projects. We handle new construction as well as re-models. Our emphasis is on clean, high-quality craftsmanship. We serve San Francisco, Oakland, and the entire Bay Area.
HTO Plumbing & Radiant installs complete plumbing systems for custom homes and small commercial projects. This includes: water supply, drains and gas lines. We are trained in green plumbing systems including solar water heating and tankless water heaters.

For years, HTO Plumbing & Radiant has collaborated with home owners, general contractors, architects and engineers in order to create innovative solutions and install new plumbing systems into existing homes.We pride ourselves on showing up when scheduled and staying on budget. We make every attempt to treat your home like it is our own, cleaning up after the job, wearing protective footwear, and using drop cloths.
Reviews (4)
Dave C.
Dave C.
Mar 28, 2017
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We had to replace a boiler that was over 50 years old for our radiant heat system.
TJ's estimate was very fair and we liked his demeanor and confidence.
TJ and his brother Chris did a fantastic job. Highly knowledgeable, professional and friendly. The job took about a week to complete and they were punctual and tidy with their clean-up at the end of each day. We are pleased with the end result and the boiler room has never looked better. Very neat work! Thank you!
Bruno R.
Bruno R.
Apr 28, 2015
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TJ is great. No BS, good quality work throughout, very detail oriented and in budget. He installed for us a 7 zone hydronic radiant system and a whole house water filter, plus a couple of more smaller jobs. I am very happy with the result, the interaction and TJ professionalism. I have learnt the hard way not qualities easy to find nowadays.
Jennifer Y.
Jennifer Y.
Jan 11, 2013
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We had a major gas leak and I looked on Yelp for someone to help us fix it. TJ was the nicest and the cheapest quote we got. He came back multiple times to make sure it was fixed and he was really great. We had other leaks which we had TJ fix as well. Overall, very reliable, friendly and got the job done.
Jamie T.
Jamie T.
Sep 27, 2010
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TJ is excellent. He 1st came by to look at my waterheater in a 6 unit TIC. The pilot was out so he came by lit it and didn't even charge us. He said that I should keep an eye on it and let him know if it went back out. It did, so he gave me a quote to replace it. I shopped it around and he was the friendliest and had the best price (by $500). I would recommend TJ for any plumbing problem I have.