Radon System Repair in Ames, IA

Radon system repair in Ames, IA exists because a mitigation system is a machine, and machines quit. The inline fan that holds negative pressure under your slab runs continuously, year after year, through central Iowa’s roughly November-to-April closed-house season when it matters most. Fans last five to ten years. Iowa’s radon numbers, an 8.5 pCi/L statewide average and 71.6% of homes over the action level, are exactly as bad for a house whose dead fan nobody noticed as for a house that never had a system.

The two-minute homeowner check

Every system has a manometer, the little U-shaped tube of colored liquid on the vent pipe, usually in the basement or garage. Unequal columns mean the fan is pulling: good. Level columns mean no suction: the system is decorative. It’s worth a glance every month or two, and it’s the first thing worth checking in any Ames home bought with an existing system, because plenty of systems installed for a sale a decade ago have been quietly dead for years.

What we see fail, and fix

Fans, first and most often: bearings wear, motors quit, and the signs run from new noise (grinding, surging) to silence to a level manometer. Replacement with a properly sized unit restores the pressure field. Seals, second: sump lids lose their gasket, slab penetrations open up, condensate fittings loosen, and every leak steals suction from under the slab. Design drift, third: the house changed after the system didn’t. A finished basement, an addition, a new sump pit, or foundation repair reshapes the pressure field, and a system sized for the 2015 version of the house can lose to the 2026 version. The older housing around Old Town, where foundations have their own opinions, sees this most.

Repair, then proof

Iowa law credentials the people who work on mitigation systems for hire (Iowa Code 136B), which is your quality filter for any repair quote, ours included: ask for the Iowa credential. And a repair only counts when the retest says so. After a fan swap or sealing work, a short-term test confirms the number is back under 4.0 pCi/L, where a working Iowa system routinely holds under 2.0.

If your manometer is level, your fan is making new noises, or your system predates your ownership of the house, call. Straight diagnosis across Ames, Nevada, Story City, Huxley, Gilbert, and Slater, with a written price before any work.