Boiler Repair by Problem Guide

Boiler repair cost by problem, rows apart.

Orange County, CA · Updated 2026 · Costs shown as ranges — your quote will vary by firm and scope

Reading this guide: every figure below is a range from published pricing data — not a quote. Two frames are named apart and never blended: Frame A (the Angi frame) and Frame B (the Modernize frame). The frames count the same visit differently; that difference is named on every page. Always get 3 written quotes.

Problem readings, priced apart by frame

Problem row, Frame AReadingFrame A note
Leak around boiler unit$140-$750leaking row as printed
Strange noises from boiler$1,000-$2,000noise row, carried on the heat exchanger line as printed
Unreliable heat$200-$600no-heat row, carried on the power flush line as printed
Turns off unexpectedly$250-$1,000problem row as printed
Won't turn on$75-$1,800no-heat row as printed
No water pressurearound $200-$1,000pressure row as printed

Each problem row here is priced only where a frame itemizes it, as printed. Frame B prints no by-problem table as printed: its problem-side lines stand as a leak diagnosis and minor repair line at $250-$750 and a system flush / water treatment line at $200-$600, named as service lines, never as problem rows. No no-heat row and no noise row is itemized in Frame B as printed; the absence stands as printed, never filled from Frame A.

Frame bands behind the problem rows

Visit band rowFrame A readingFrame B reading
Headline bandaverage $425; most pay $190-$660most spend $200-$1,000
Overall range$95-$1,500major lines to $1,200-$3,000+
Gas boiler repair$100-$400$150-$1,200
Electric boiler repair$200-$450$150-$900
Oil boiler repair$200-$500$200-$1,500
Combi boiler repairno combi row as printed$250-$2,500

Frame A bands behind the rows: an average at $425, most pay at $190-$660, a range at $95-$1,500, and by fuel gas at $100-$400, electric at $200-$450, and oil at $200-$500.

Problem against problem, frame against frame

A leaking row reads at $140-$750 in Frame A against a noise row at $1,000-$2,000 carried on its heat exchanger line, while the no-heat rows read off the unreliable heat line at $200-$600 and the won't-turn-on line at $75-$1,800 -- readings of one visit, priced apart by problem and stated only where a frame itemizes the row. The frames price the same visit apart -- Frame A prints a circulating pump at $300-$1,000 while Frame B prints a circulator pump at $350-$900 for the same named part, an expansion tank at $200-$550 against $200-$600, and Frame B prints a heat exchanger line at $1,200-$3,000+ with no Frame A part-row counterpart -- a frame difference, never averaged, never blended.

The neighbours named apart

Named apart, never a row here: boiler installation and boiler replacement, a new unit as a different job; furnace repair, the forced-air heating visit; heat-pump repair, a heat pump visit; water-heater repair, a water heater visit; tankless installation and tankless descaling, their own lanes; HVAC replacement, a new system; the HVAC replace-vs-repair guide, its own read; and the appliance-repair umbrella hub, the generalist visit -- this cluster prices boiler repair, the boiler repair visit alone.

The local read

The local read: the frames above are national published frames; a written quote for one address and one part line is the only local figure.

Reading a quote

Cost guide, not advice: ranges compiled from published pricing data; your price varies with the part, the problem, and the firm as quoted. No firm, brand, or product is endorsed, rated, or recommended here. Ranges only, not quotes.

Frequently asked questions

What does boiler repair cost by problem, as reported?

Frame A prints a leak around the boiler unit at $140 to $750, strange noises at $1,000 to $2,000 on the heat exchanger line, unreliable heat at $200 to $600, and no water pressure at around $200 to $1,000. Frame B prints no by-problem table as printed, each apart.

What does a no-heat problem print at, as reported?

Frame A prints unreliable heat at $200 to $600 on the power flush line and a boiler that won't turn on at $75 to $1,800, each apart. Frame B itemizes no no-heat row as printed, named apart.

What does a leaking problem print at, as reported?

Frame A prints a leak around the boiler unit at $140 to $750. Frame B prints a leak diagnosis and minor repair line at $250 to $750, named as a service line, never as a problem row, each apart.

What does a noise or pressure problem print at, as reported?

Frame A prints strange noises at $1,000 to $2,000, carried on the heat exchanger line as printed, and no water pressure at around $200 to $1,000. Frame B itemizes neither a noise row nor a pressure row as printed, named apart.

Is a heating visit priced on this guide?

No. Furnace repair is a standing forced-air heating page named apart and never rebuilt here, and boiler installation and replacement, heat-pump repair, water-heater repair, tankless installation and descaling, HVAC replacement, the HVAC replace-vs-repair guide, and the appliance-repair umbrella hub stand in their own lanes. This guide prices boiler repair by problem.

Related guides