DIY Radon Mitigation Equipment
Industry-standard gear used by certified mitigators nationwide. Organized by project phase: test, mitigate, verify.
Disclosure: RadonBase earns a small commission on qualifying purchases through Amazon links on this page, at no extra cost to you. This helps us keep the directory free.
Test
Before you buy anything else, find out if you actually have a radon problem. Short-term kits screen fast and cheap. Long-term kits and monitors give the most accurate picture.
AccuStar Short-Term Radon Test Kit
Start HereCheapest way to find out if you have a radon problem. Charcoal canister captures 2-7 days of radon. Mail to the lab — results in about a week. Single-use.
from $15
Buy on Amazon →AccuStar Long-Term Alpha Track Kit
Most accurate way to know your home's real annual average. Hangs for 90+ days. Mail to lab when done. Recommended after a borderline short-term result.
from $30
Buy on Amazon →Airthings Corentium Home Monitor
Best for MostBattery-powered digital monitor. No app needed — displays short-term and long-term averages on the device. Most-recommended starter monitor.
from $159
Buy on Amazon →Airthings Wave Plus
Continuous radon monitor with full app integration. Shows real-time, 7-day, 30-day, and yearly averages. Also tracks CO₂, VOCs, temperature, and humidity.
from $199
Buy on Amazon →Safety Siren Pro Series 3
Simple plug-in continuous detector with audible alarm. Digital pCi/L display. No subscription, no app. A good no-frills choice.
from $99
Buy on Amazon →Mitigate
If you tested above 4 pCi/L, install a sub-slab depressurization system. Fan + pipe + sealing is the standard approach. Pick the fan that matches your foundation and radon level.
Complete DIY Mitigation Kit
Most PopularFan, 3" PVC fittings, manometer, warning device, and step-by-step installation guide. Pipe sold separately at any hardware store.
from $250
Buy on Amazon →RadonAway RP145 Fan
Best SellerMost popular residential radon fan. Quiet, energy-efficient, 5-year warranty. Handles the majority of sub-slab conditions in US homes.
from $135
Buy on Amazon →RadonAway XP201 Fan
America's best-selling radon fan. High-static-pressure option for sub-slab installations with tight or compacted soil. Excellent for retrofit installs.
from $155
Buy on Amazon →RadonAway GX3 Pro Fan
Smart-rated radon fan with advanced motor design and pressure performance. A favorite for installers handling difficult sub-slab conditions.
from $185
Buy on Amazon →RadonAway RP260 Fan
High-performance fan for difficult conditions, large homes, or homes testing above 10 pCi/L. Higher flow rate than the RP145.
from $175
Buy on Amazon →RadonSeal Concrete Sealant
Penetrating concrete sealer that hardens slabs and reduces radon entry through porous concrete. A good supplement to a fan-based system.
from $52
Buy on Amazon →Airtight Sump Pit Cover
Sealed lid for your sump pit — required for any home with a sump if you want mitigation to work. Eliminates a major radon entry point.
from $45
Buy on Amazon →6 Mil Crawl Space Vapor Barrier
Heavy-duty polyethylene barrier for crawl space encapsulation. Combined with a sub-membrane fan, this is the standard crawl space mitigation solution.
from $129
Buy on Amazon →Verify
Every permanent mitigation system needs a way to confirm the fan is still working — and you should retest your home 30 days after installation, then every 2 years.
System Failure Warning Device
RequiredVisual U-tube manometer that alerts you if your mitigation fan fails or loses suction. Required by EPA guidelines for all permanent systems.
from $19
Buy on Amazon →Need PVC pipe and fittings?
3" or 4" schedule 40 PVC pipe, elbows, couplings, primer, and cement are best bought at a local hardware store (Home Depot, Lowe's, Menards). Shipping pipe is expensive and your local store will have everything you need at lower cost. See our DIY installation guide for the full materials list.
Project planning helper
Not sure where to start? Most DIY radon projects follow one of these paths:
I haven't tested yet
Start with a short-term kit ($15) or a continuous monitor ($99-159) if you want ongoing visibility.
Buy: AccuStar Short-Term or Corentium Home
I tested above 4 pCi/L
Mitigate with a fan-based sub-slab depressurization system. Pick the Complete Kit if it's your first install.
Buy: Complete Kit + warning device
I have a crawl space
Standard fans don't work — you need a sub-membrane system with vapor barrier encapsulation.
Buy: RP145 + Vapor Barrier + warning device
Rather hire a pro?
Average professional installation is $1,000–$2,500. Find a certified mitigator near you in minutes.
Find a Mitigator