#1
DILIGENT
Nashville, TN
Google rating: 4.9 (1095 reviews)
Reviews: 1,095
Certifications: 0
Services
Testing
Best Radon Contractors in Nashville, Tennessee (2026)
Ranked using real Google ratings, review counts, and certification data only.
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#2
James Stanton
Nashville, TN
Google rating: 4.9 (663 reviews)
Reviews: 663
Certifications: 1
Certifications
NRPP Measurement Professional
Services
TestingNew ConstructionCommercial
#3
Tennessee Home Inspectors
Nashville, TN
Google rating: 4.9 (367 reviews)
Reviews: 367
Certifications: 0
Services
TestingNew Construction
#4
DocAir
Nashville, TN
Google rating: 4.8 (170 reviews)
Reviews: 170
Certifications: 0
Services
MitigationTestingCrawlspaceCommercialvapor barrierdiagnostic
How We Rank
- Google rating: higher average ratings rank higher.
- Review count: more reviews break ties between similar ratings.
- Certification count: more certifications break ties after rating and review metrics.
- Verified data only: rankings are based on stored profile data, not manual edits or paid placement.
FAQ
Who is the best radon contractor in Nashville?
DILIGENT is currently ranked #1 in Nashville based on Google rating, review volume, and certification count from our verified data sources.
How many radon contractors are in Nashville?
We currently list 4 radon contractors in Nashville, Tennessee.
What should I look for?
Focus on strong ratings with meaningful review volume, current professional certifications, and clear service coverage for your home type.