Radon testing in Loveland

Start with what the number means

Radon is measured in picocuries per liter (pCi/L). Outdoor air runs about 0.4. The EPA's action level is 4.0; the World Health Organization suggests acting at 2.7. Colorado's statewide average sits well above the national norm, and Larimer County results in the 4–20 range are everyday findings — we occasionally see Loveland basements far beyond that. None of it is cause for panic: risk accumulates over years, and every level on that scale has the same one-day fix. The number simply tells you whether to schedule it.

Which test fits your situation

• You just want to know (short-term test): a lab-analyzed detector sits at the lowest lived-in level for 2–7 days under closed-house conditions. Cheap, quick, and the right first move for any untested Loveland home. Results in the 2–6 range deserve a follow-up before spending money; clear highs can go straight to mitigation planning.
• You want certainty (long-term test): an alpha-track detector runs 3–12 months and averages through weather, seasons, and how you actually live. This is the truest picture of exposure and the best tiebreaker for borderline short-term results.
• You're buying or selling (transaction test): the strict version — see below.
• You have a mitigation system already: verification 24+ hours after any install, then a routine retest every couple of years, plus after major renovations, new HVAC, or basement finishing. Systems work for decades, but the retest is what proves yours is.

The real-estate protocol, Larimer County edition

Radon testing is a routine element of Northern Colorado transactions — buyers' agents order it almost by default, and listing agents increasingly test before going to market. The transaction version runs tighter than a homeowner test:

• 48 hours minimum on the device, placed at the lowest level a buyer could occupy, so it's scheduled the moment the inspection window opens.
• Closed-house conditions from 12 hours before the test starts until it ends — normal entry and exit is fine; open windows invalidate it.
• Tamper-aware equipment: continuous radon monitors log hourly readings and flag movement or interference, which keeps the number credible to both sides of the table.
• When it's high: in this county that's a negotiation, not a catastrophe. The standard outcome is a seller credit or a pre-closing install — and because mitigation plus verification fits inside a week, closing dates survive. We run test → install → retest as one scheduled sequence when the calendar is tight.

Who does the testing matters (Colorado licensure)

Colorado now requires radon measurement professionals to hold a state license and follow national ANSI-AARST standards — device placement, condition documentation, chain of custody. For homeowners that's simple: ask for the license before you trust the number, especially when that number is about to move thousands of dollars in a real-estate negotiation. (DIY kits from the hardware store are fine as a first look for your own information — just not as transaction evidence.)

Common Loveland testing mistakes

• Testing the wrong floor: the test belongs at the lowest level someone lives or could live — for most Loveland homes, the basement. First-floor tests understate what your finished basement actually holds.
• Windows open "just for a bit": even briefly resets the clock. The house needs to breathe the way it does all winter.
• Testing next to the sump or a vent: placement rules exist because drafts and moisture skew readings. Mid-room, breathing height, away from exterior walls.
• One low result, case closed forever: radon shifts with seasons and settling. Low now is great — calendar a retest in two years anyway.

Ready to find out which half of the coin flip your house landed on? Book a test or call (970) 536-1157 — and if there's a contract deadline involved, say so first; that's the schedule we build around.