Mon–Fri 7:30AM – 5:30PM

Boiler & Radiant Heating Services in San Rafael, CA

Boiler repair, radiant heating service, and new boiler installation for San Rafael homes — from Terra Linda Eichlers to Gerstle Park Victorians.

Licensed & InsuredProfessionals
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Local ExpertsSince 1986
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San Rafael runs on hot water. From the hundreds of Joseph Eichler homes in Terra Linda and Lucas Valley with radiant tubing cast into the slab, to the cast-iron radiators in century-old Gerstle Park and Dominican houses, this is one of the most boiler-dependent towns in Marin. When Marin’s damp, foggy winters set in and a 30-year-old boiler short-cycles or a radiant loop goes cold, John Owens Services restores even, reliable heat the same day.

Why San Rafael Homeowners Choose John Owens

  • We know San Rafael's radiant slabs firsthand — Terra Linda and Lucas Valley hold Marin's largest concentration of Eichler homes, and slab-embedded hydronic heat needs technicians who understand it, not a forced-air crew guessing
  • Licensed since 1986 (CA #501853) and family-run, with a 4.9-star Google rating and happy customers from Marin and Sonoma homeowners
  • Trucks stocked with pumps, zone valves, circulators, controls, and manifold parts, so most boiler repairs finish in a single visit instead of waiting days for components
  • We service every system in town — original cast-iron and copper boilers, modern condensing units, and orphaned brands like Triangle Tube that have left the US market and stranded local homeowners
  • Repair-first philosophy: we fix and tune what's there and only recommend a new boiler when the math and safety actually call for it
  • One licensed company for the whole house — boiler, radiant, plumbing, and HVAC under five trade licenses, no juggling subcontractors for a single Eichler

Signs You Need Boiler & Radiant Heating in San Rafael

  • Cold spots or rooms that never warm up — a sign of air-bound loops, a failing circulator, or a clogged radiant manifold
  • Banging, knocking, or gurgling from the boiler or pipes, often trapped air or sediment in an aging system
  • Pressure gauge dropping or the relief valve dripping, pointing to a leak, waterlogged expansion tank, or pressure-control fault
  • Soot, a yellow burner flame, or error codes on a condensing boiler — stop and call before it becomes a safety issue
  • A boiler over 15-20 years old with rising gas bills, or an orphaned brand like Triangle Tube you can no longer get parts or support for

Frequently Asked Questions

How fast can you get someone out for boiler repair in San Rafael?

We offer same-day boiler repair across San Rafael, including Terra Linda, Sun Valley, and Gerstle Park, and most repairs are completed in a single visit. We’re licensed (CA #501853) and our trucks carry the common hydronic parts to finish most repairs on the first visit.

Do you service the radiant heating in San Rafael Eichler homes?

Yes — radiant heating in San Rafael’s Eichler tracts is our specialty. We diagnose and repair slab-embedded loops, circulators, and manifolds, and when a slab boiler ages out we plan a replacement that fits the original mid-century design.

What does boiler installation in San Rafael typically involve?

A licensed technician inspects your radiant or radiator system, sizes the right high-efficiency or condensing boiler for your home, and provides a clear written estimate before any work. We handle permits and the full install so your San Rafael home gets steady, efficient heat with no guesswork.

My Triangle Tube boiler can't get parts anymore — can you still help?

Yes. Triangle Tube wound down its US operations, leaving many Marin homeowners without support, and we repair these systems where parts still exist or plan a clean, properly sized replacement boiler for your San Rafael home.

Proudly Serving Marin & Sonoma

From the Marin coast to Sonoma wine country, we bring honest plumbing, heating & cooling to homeowners across both counties — based locally since 1986.

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Schedule service with our trusted local team today.

Serving Marin & Sonoma Counties

Good plumbing, heating, and air conditioning systems are vital in every North California home. John Owens Services, Inc. is proud to be the expert plumbing company you can count on