Nick Palmer
Founder & Lead Researcher at RadonTrust
Nick built RadonTrust because the radon industry still mixes measurement and mitigation in ways that create conflict of interest — the same pro who tells you your level is high often wants to sell you the fix. This directory surfaces independent, credentialed professionals first.
Expertise
Published Articles
General (7)
Winter Radon Testing: Why January Is Radon Action Month
Winter is the best time for a radon test: heated, closed-up homes give reliable readings. Find a radon mitigation contractor if you hit 4 pCi/L or more.
Are Cheap Radon Mitigation Contractors Worth It? The Real Cost of Cutting Corners
My neighbor Dave paid $750 to have his radon fixed last spring. The contractor came out, drilled a hole in his basement floor, stuck a pipe through the…
Freelance vs. Agency Radon Mitigation Contractor: Which Should You Hire?
Freelance radon mitigation contractor vs. agency: certified independents cost $300–$500 less with equal results. See which to hire for your situation.
Radon Mitigation Contractor Costs by State: Where You'll Pay More (And Less)
Radon mitigation contractor costs vary up to 186% by state — see which markets pay $700 vs. $2,000 and how to avoid overpaying wherever you live.
Radon Mitigation Contractor Equipment: What Matters and What's Marketing
A $3,800 radon mitigation contractor quote vs. a $180 tool — same result. See the short equipment list that actually matters, and what's pure marketing.
Radon Mitigation Contractor vs. Radon Testing Service: Do You Need Both?
3.8 vs 6.2 pCi/L — a DIY kit missed a hazard that needed fixing. A radon mitigation contractor solves what testing alone can't. Here's when you need each.
Remote vs. In-Person Radon Mitigation Contractors: Which Is Better?
Remote or in-person radon mitigation contractor? Installation always needs boots on the ground. See why virtual services fall short and what the data shows.
Industry (2)
Will AI Replace Radon Mitigation Contractors? (The Honest Answer)
AI won't replace your radon mitigation contractor — but it is handling scheduling, lead capture, and risk screening. Here's what actually changes and what…
Radon Mitigation Contractor Industry Trends: What's Changing in 2026
Radon mitigation contractor market is doubling by 2035 — here's how smart monitoring, new state mandates, and pricing shifts affect your 2026 install decision.
City Guides (5)
Best Radon Mitigation Contractors in Chicago (2026 Guide)
Chicago has 183 licensed radon contractors — most don't call back. Use our directory to find a vetted radon mitigation contractor and skip the panic.
Best Radon Mitigation Contractors in Houston (2026 Guide)
Houston radon hits 6+ pCi/L — find a certified radon mitigation contractor before closing. NRPP credentials, local slab know-how, and 3 vetted firms inside.
Best Radon Mitigation Contractors in Los Angeles (2026 Guide)
Only 78 CDPH-certified radon mitigation contractors serve all of California — see who's qualified near LA, what mitigation costs, and how to verify…
Best Radon Mitigation Contractors in Miami (2026 Guide)
Miami radon risk is real despite the myths. Find a certified radon mitigation contractor in 2026 — 4 companies reviewed, 1 DOH-endorsed.
Best Radon Mitigation Contractors in New York (2026 Guide)
NY has 80 certified radon mitigation contractors — but quality varies wildly by region. Here's which ones are worth hiring and what testing actually costs.
Certifications & Legal (2)
Certified vs. Uncertified Radon Mitigation Contractors: Does the Credential Matter?
In most states, anyone can legally call themselves a radon mitigation contractor. Here's what separates NRPP-certified pros — and why it matters.
NRPP Certified Radon Measurement Professional Certification: Why It Matters (And When It Doesn't)
Over 3,000 pros hold NRPP credentials, but certification doesn't equal competence. Here's how to vet a radon mitigation contractor before you hire.
Guides (5)
The Complete Guide to Radon Mitigation Contractors
Hire a radon mitigation contractor who actually fixes the problem: look for NRPP or NRSB…
How Much Does a Radon Mitigation Contractor Cost? (2026 Pricing Guide)
Most homeowners pay $800–$1,500 for radon mitigation — see what drives costs up, how to spot a fair radon mitigation contractor quote, and why the post-test…
How to Choose a Radon Mitigation Contractor: What Nobody Tells You
No federal law requires radon mitigation contractor certification — anyone can do it. This checklist stops you from hiring the wrong one and paying twice.
What Does a Radon Mitigation Contractor Actually Do? (Behind the Scenes)
A radon mitigation contractor diagnoses your foundation, installs a sub-slab depressurization system, and verifies results — here's exactly what happens on…
What to Expect When You Hire a Radon Mitigation Contractor (Step by Step)
Radon at 6.8 pCi/L? A radon mitigation contractor can fix it in one day — but check for NRPP certification and a written guarantee below 4 pCi/L first.
Hiring (2)
15 Questions to Ask Before Hiring a Radon Mitigation Contractor
Checking for a relevant skill before writing. 14.2 pCi/L and the wrong radon mitigation contractor almost cost one homeowner. Here are 15 questions —…
7 Red Flags When Hiring a Radon Mitigation Contractor (And How to Avoid Them)
7 red flags that expose a bad radon mitigation contractor — from upfront payment demands to skipping post-install testing. Know what to verify before you hire.