Gas Boiler & Hydronic Heating Repair in Belvedere, CA

We do. We repair gas boilers, circulators, zone valves, controls, expansion tanks and the radiators, baseboard or radiant floor loops they feed. We find the failed part first, explain what we found, and tell you whether repair or replacement is the better choice for your system. Belvedere is served from our San Rafael office.

Yes. We service condensing boilers from Navien, Lochinvar, NTI, HTP, Triangle Tube and Rinnai. Typical faults include ignition failures, blocked condensate drains, sensor problems and venting issues. Tell us the make, model and any error code when you call, and we will come prepared to diagnose it.

We start by looking at your existing radiators, baseboard or radiant floors and the water temperature they need. Then we size the boiler, plan the vent and condensate drain, and check the controls. You get a free estimate for the replacement and a clear explanation of the work. Financing is available.

Yes. We service Navien, NTI, Lochinvar, Rinnai, Triangle Tube, HTP, U.S. Boiler, Crown, Peerless and Laars boilers. We are also an authorized Rinnai dealer. Repair options depend on the model’s condition and parts availability, so have the model and serial number ready when you book.

A cold zone usually points to a zone valve, a circulator, trapped air or a thermostat, not the boiler itself. We test each in turn so you do not pay to replace a boiler that is working. If the boiler is the problem, we will say so and show you why.