Welch Brothers Co Inc

We're a full-service plumbing and heating company located in Lowell, MA, serving commercial and residential customers in the Merrimack Valley since 1904. Our heating specialties include boiler replacement and repair, water heater replacement and repair, and all of your plumbing needs. We provide options such as high-efficiency boilers, tankless water heaters, and conversion to natural gas to improve the efficiency of your heating or plumbing system. No job is too small—from a leaky faucet to a comprehensive bathroom or kitchen renovation, we've been supporting the Greater Lowell and Merrimack Valley area for over 120 years.