"Excellent vendor — was able to diagnose the problem when others failed. The Steam and Hot Water Company estimated costs, yet the costs came in less than estimated. First class company!"
With over 20 years of dedicated experience, we specialize in the repair and maintenance of steam and hydronic heating systems for San Francisco homes. Licensed, insured, and bonded — and certified backflow testers.
What We Do
Full service and repair of steam and hydronic boiler systems throughout San Francisco.
Certified backflow preventer testing with all City of San Francisco paperwork handled.
10% off — 3 or more devices
15% off — 8 or more devices
20% off — 15 or more devices
One backflow test plus one hour of boiler service. Additional labor at regular rate.
Ready to schedule? We respond promptly to all inquiries.
Get In Touch →Client Testimonials
5-Star Google Reviews
"Excellent vendor — was able to diagnose the problem when others failed. The Steam and Hot Water Company estimated costs, yet the costs came in less than estimated. First class company!"
"Dave is a pleasure to work with. He is extremely competent and efficient, and explains your system, the problem, and how to fix it clearly — which is very helpful to the customer. There is no one I'd rather have working on our boiler and hot water system."
"Very helpful, knowledgeable, and pleasant to deal with. Showed up on time and took the time to explain in detail what my issues were and options for addressing them. Serviced my hydrostatic heating system — very reasonably priced. Highly recommend."
Need Answers?
Unfortunately, no. We only service single family residential homes. We do not service apartments, multi-unit buildings, or commercial systems.
It depends. If the boiler belongs to the individual condominium, yes. If it's connected to a centralized building system, unfortunately no.
Yes, we test backflow preventers for both residential and commercial buildings.
Unfortunately, we do not — unless the heating system was initially installed by us.
Unfortunately, we do not work outside of the City and County of San Francisco.
Call, text, or email — but email is preferred. We check email constantly and respond promptly.
We provide the industry-standard one-year warranty for all repairs.
Still have questions? We're happy to help.
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