Boiler 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, what you can safely check and when to call.
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We service hot-water boilers and radiant floor systems across Edina for a $79 trip charge, waived when you approve the repair, with a written price first. Radiator systems here are mostly in the older Country Club District and Morningside houses, while rebuilt homes to the south bring in-floor heat in basements and garages.
Edina's boiler work splits by neighborhood age. The 1920s and 30s houses in the Country Club District and Morningside are the ones that may still heat with a hot-water boiler and cast-iron radiators, often after the boiler has been replaced once already. Those systems need the usual care: pressure, expansion tank, relief valve, circulators and air bled from the upstairs radiators. When one wears out, the usual replacement is a condensing boiler that modulates its flame to match the radiators; because it exhausts through plastic pipe, the water heater's chimney venting has to be rechecked.
The newer houses are where hydronic heat turns up in a different form: radiant tubing under basement slabs and garage floors, sometimes on a boiler that also makes the household hot water through an indirect tank. Those systems tend to fail at the controls. A mixing valve sticks, a zone circulator quits or a zone valve won't open, and one floor goes cold while the rest of the house is fine.
Updated September 23, 2026
Every boiler service call in Edina starts with a $79 trip charge, waived when you approve the repair, and a written price before any work. Same prices in Edina 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 Edina.

More detail on our boilers & radiant heat page.
Symptom guides: Banging or kettling · Expansion tank · Carbon monoxide
We do both. The radiant side gets its own check: boiler combustion and venting, system pressure, the expansion tank, each zone's circulator or valve, and the mixing valve that keeps floor water at the right temperature. Many of these boilers also make the house's hot water through an indirect tank, so a boiler problem can show up at the shower before the floors. Both systems can be booked on one visit.
First we confirm the system is hot water, then size the new boiler from the radiators and the house's heat loss rather than the old nameplate. A modulating condensing boiler is the usual choice, vented through PVC, which means a new wall or roof penetration and a check of the water heater's chimney. For scale, HomeGuide gives a typical national range of $4,000–$10,000 for high-efficiency boiler replacement.
Kettling, banging, gurgling or a grinding pump: what each boiler noise means in a hot-water or steam system, what you can safely check and when to call.
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