Boiler Repair, Installation & Radiant Heating Repair in San Anselmo, CA

Yes. Navien boilers are among the brands we service. Tell us the model and any error code on the display when you call. We check the boiler, venting, condensate drain, pump and controls, then explain what the repair involves and what it costs before work begins.

Yes. We service Lochinvar and NTI boilers, along with Rinnai, Triangle Tube, HTP, U.S. Boiler, Crown, Peerless and Laars. Repair options depend on the model’s condition and parts availability, so we diagnose first and tell you plainly if repair is practical or if replacement would serve you better.

Common causes include a blocked condensate drain, low water pressure, a venting problem, a failed sensor or a pump that is not circulating. Because the cause varies, we test before replacing parts. If you see an error code, write it down and give it to us when you book.

Usually, yes, if the system is in good working condition. Condensing boilers are most efficient when they run at lower water temperatures, which suits radiant floors well. We check the existing piping, controls and emitters first, then recommend a boiler and the venting it needs.

Often, yes. We trace the fault to the boiler, pump, zone valve, manifold or a specific loop. A leak buried deep in a slab can be harder, and we will say so before you commit. Either way you get the options and an estimate explained before work begins.