Protect Environmental Radon Mitigation

4.8(233 reviews on Google)

Radon Contractor listing in Littleton, CO

About Protect Environmental Radon Mitigation

Protect Environmental Radon Mitigation in Littleton, formerly known as Ace Radon and Reliant Radon, offers radon testing, professionally installed mitigation systems and system maintenance for homes and commercial properties in the Denver area, drawing on more than 36 years of experience. It also does crawl space encapsulation and sump pump replacement, and provides soil gas system design, installation and oversight for new construction, plus commercial radon and vapor intrusion services in Denver and nationwide. When a home sale is involved, a test can be scheduled before the closing date. Free estimates and financing are available, and mold inspection and remediation are also offered. BBB accredited with an A+ rating. Rated 4.8 from 233 Google reviews, 217 of them five stars and 9 one star.

What reviewers mention: radon mitigation (96), estimate (14), courteous staff (12), reasonable quote (11), system explanation (6), quick installation (4), crawl space sealing (2), home assessment (2), quiet system (2), explanation of work (2)

Services and details

  • Installs radon mitigation systems

    Yes
  • Radon testing

    Yes
  • Crawlspace systems

    Yes
  • New construction

    Yes
  • Commercial and multifamily

    Yes
  • Real estate transactions

    Yes
  • Repairs existing systems

    Yes
  • Free estimates

    Yes
  • Colorado radon license shown

    Yes

No information yet on sub-slab depressurization, post-mitigation test, warranty or guarantee. The website did not say; call and ask.

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Contact

Listing compiled from public sources on 2026-11-04. Report a correction or request removal. Back to radon contractors in Littleton.