Installing a new boiler in San Francisco requires expertise in high-efficiency systems and a deep understanding of the city's unique plumbing challenges. We test your water pressure first, size your system correctly, and handle all SF permits.
San Francisco's water pressure often exceeds 130 PSI — far above the 80 PSI safe limit. A new boiler installed without proper pressure management will fail prematurely. Our first step on every job is testing your home's actual pressure and installing a pressure-reducing valve if needed.
We test water pressure on every single SF installation — no exceptions
Victorian flats, modern condos, and Edwardian row houses weren't designed with large mechanical rooms. We specialize in compact, high-efficiency combi boilers that save space and are vented correctly according to SF's strict DBI building codes.
Compact, high-efficiency combi boilers
SF DBI requires permits for all boiler installations. We manage the entire process — from application to final inspection — so you don't have to navigate SF's permitting system. Your installation will be fully code-compliant and documented.
Fully code-compliant and documented
We start by testing your water pressure and performing a heat load calculation to determine the exact size and type of boiler your home needs. We never size by square footage alone.
We install a new pressure-reducing valve and thermal expansion tank as standard practice on SF homes. This protects your new boiler from the city's high pressure and satisfies local code requirements.
We handle seismic strapping, proper venting, earthquake gas shutoff valves, and all DBI permit requirements — ensuring your installation is safe and fully compliant with SF building codes.
Once installed, we thoroughly test the system, confirm every zone heats correctly, and walk you through the controls. We don't leave until you're confident in your new boiler.
For larger SF homes or multi-unit buildings with high hot water demand, a system boiler paired with a storage tank provides reliable high-capacity hot water. Ideal for Victorian buildings with radiant heat systems on multiple floors.
Every SF boiler installation includes pressure testing and, when needed, PRV installation. We select models with pressure regulators and robust heat exchangers rated for SF's aggressive water system.
Let's discuss the right boiler for your San Francisco home. We'll provide a clear, detailed estimate and a plan to protect your new system from the city's unique challenges.
Serving All San Francisco Neighborhoods • Licensed & Insured • 20+ Years Experience
