Boiler Replacement Cost in Minnesota (2026)
What a new boiler costs in Minnesota: national ranges, cast iron vs condensing vs combi, steam vs hot water, chimney venting, and why the radiators stay.
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Radiant floors in walkout slabs and garages are most of the boiler work we do in Eden Prairie, where forced air is the norm, plus the occasional boiler serving a larger custom home. Service calls carry a $79 trip charge, waived when you approve the repair, and repairs are priced in writing first.
Boilers aren't a big part of the work in Eden Prairie, where most houses were built from the 1970s on with furnaces and ducts. When hydronic heat does turn up here, it's usually in the larger homes: radiant tubing under a walkout slab or a garage floor, and sometimes a boiler serving radiant zones alongside a forced-air system that handles cooling and the upper floors. A slab heated from below is a comfortable fix for a walkout level that otherwise runs cool.
These systems often fail somewhere other than the boiler. The trouble is in the pieces around it: air trapped in a loop, a zone valve or circulator that quits, a mixing valve sending water too hot or too cool, or a floor sensor that failed. Garage loops with antifreeze need the fluid tested. And when the boiler also heats domestic water through an indirect tank, a failure tends to show up at the faucets first.
Updated September 23, 2026
Every boiler service call in Eden Prairie starts with a $79 trip charge, waived when you approve the repair, and a written price before any work. Same prices in Eden Prairie as in every town we serve. Replacing an old boiler? See the boiler replacement cost guide. For what drives a quote locally, see HVAC cost in Eden Prairie.

More detail on our boilers & radiant heat page.
Symptom guides: Banging or kettling · Expansion tank · Carbon monoxide
Not necessarily. If the house has both, the furnace may serve the lower level through ducts while the radiant loop warms the slab, and the two thermostats can end up competing. We check each system's settings, set the radiant zone to carry the steady heat and let the forced air handle quick recovery. If the radiant zone isn't reaching temperature, we check the mixing valve, circulator and air in the loop.
It depends on the heat load, whether the boiler also makes domestic hot water, and the venting, so we quote in writing after seeing the system. For context, national cost guides such as HomeGuide put high-efficiency boiler replacement at $4,000–$10,000. A radiant-only system on a small load can sometimes run on a smaller boiler or a combi unit, which changes the math.
What a new boiler costs in Minnesota: national ranges, cast iron vs condensing vs combi, steam vs hot water, chimney venting, and why the radiators stay.
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