JH
Justin Harris
VerifiedSylvan Lake, MI
TestingMeasurement
NRPP Certified RMP
EPA zone context: Most of the Lower Peninsula is Zone 1, particularly the southeastern and central regions. The Upper Peninsula is mostly Zone 2.
Not sure what service you need?
Take the 90-second radon assessmentTesting methods, closed-house conditions, and how to read your results.
How basements, slabs, and crawlspaces affect radon entry and system design.
What buyers and sellers should expect during testing, mitigation, and closing.
Maintenance schedules, fan replacement, and keeping your mitigation system effective.