Royal Steam Heater Co., founded in 1889, is a family owned and operated, full-service mechanical contracting firm. 

Currently, we proudly service residential, commercial, and industrial customers throughout Massachusetts, providing plumbing, sprinkler testing and maintenance, boiler installation and maintenance, sheet metal fabrication, and welding and pipefitting services. Additionally, we provide services under Massachusetts and Federal government contracts.

Royal Steam Heater Co. employs union plumbers, pipe fitters, sheet metal, and fire protection workers.  

With over 130 years of construction experience, we pride ourself on a reputation that is second to none. Through our strong work force and experienced management team, Royal Steam Heater Co. strives to consistently provide each and every customer with the highest quality of service in the industry.

Please contact us at 978.632.0770 or Email Us to discuss how we can help make your project a success.

Covid-19 Compliance

As an essential business in the construction industry, we remain open and are available to help with any plumbing or mechanical maintenance and/or emergency service projects. While some of our staff are working remotely our office remains open, but we are limiting outside visitors to keep our employees safe. If you are in need of our services, please contact us by email or telephone 978.632.0770.