Boiler Replacement Cost in Minnesota (2026)
HomeGuide puts a gas boiler replacement at $4,000–$9,000. Minnesota factors: cast iron vs condensing vs combi, steam vs hot water, venting and radiators.
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Boiler Repair & Service in St. Louis Park, MN
Boiler repair in the prewar blocks around Fern Hill in St. Louis Park starts with a $79 trip charge, waived when you approve the repair. Boilers here usually share a masonry chimney with the gas water heater, which may need a liner after a condensing swap.
Boiler service calls in St. Louis Park homes
Most of St. Louis Park was built after the war with forced air from day one, so a boiler here is the exception, and it usually sits in a prewar house near Fern Hill, where many homes predate 1945. Those basements are low, and the boiler often shares a masonry chimney with the gas water heater. That sharing matters on replacement: a modulating condensing boiler vents out the side wall in PVC, and the water heater left alone in the old flue may need a liner. Houses sit close together, so we look at where a side-wall vent can exit before we quote. Plaster walls are the reason owners keep hot water instead of cutting in ducts, and the repairs are the familiar ones: air trapped at the top of upstairs radiators, a relief valve dripping, a circulator that hums. Old pipe wrap gets tested for asbestos before it is disturbed.
Updated November 10, 2026
What does boiler work cost in St. Louis Park?
Repairs are a written flat-rate price before any work. A boiler tune-up falls in our $129–$349 maintenance range, confirmed when you book. Replacing a gas boiler runs about $4,000–$9,000 nationally (HomeGuide, 2026), not our price; see the boiler replacement cost guide. On St. Louis Park's narrow lots, snow has nowhere to go.
Symptom guides: Banging or kettling · Expansion tank · Carbon monoxide · Signs your boiler needs a technician
Boiler service in St. Louis Park: questions
Is a boiler worth keeping in a St. Louis Park house with plaster walls?
Often, yes. Running new ducts through plaster in a 1920s or 30s house is costly and messy, and a working hot-water system heats evenly and quietly. If the boiler is old, a modulating condensing unit sized to your radiators is the usual replacement. If you want cooling later, ductless heads can be added without touching the radiators.
My St. Louis Park boiler shares a chimney with the water heater. Does replacing it cause problems?
It can. A condensing boiler vents through PVC, so it leaves the chimney, and the water heater alone in a large flue may not draft well. That is the reason we check the chimney before quoting. Sometimes the fix is a chimney liner, sometimes a power-vent water heater. You see it in the written price first.
More in St. Louis Park
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- Furnace replacement in St. Louis Park
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- AC replacement in St. Louis Park
- Heat pumps in St. Louis Park
- Mini-splits in St. Louis Park
- Tune-ups in St. Louis Park
- All HVAC service in St. Louis Park
Boiler service near St. Louis Park
Guides on boiler service
Outdoor Wood Boiler vs Gas Furnace in Minnesota
Is an outdoor wood boiler cheaper than a gas furnace in Minnesota? Fuel math per million BTU, daily labor, smoke rules, freeze risk and backup heat.
Read the guideBoiler Banging, Kettling or Gurgling: What Each Noise Means
Kettling, banging, gurgling or a grinding pump: what each boiler noise means in a hot-water or steam system, which checks are safe, and when to call.
Read the guideContact Us
Heat out? AC quit? Call or send a request.