Short‑term tests run a minimum of 48 hours; closed‑building conditions must be observed for 12 hours before and during the test. Long‑term tests (90+ days) provide seasonal‑average results.
Start a long‑term (90‑day+) test within 12 months of installation to qualify for the performance guarantee; many customers also run a short‑term test immediately after startup for quick verification.
No. Modern mitigation fans are quiet; typical annual electrical cost is comparable to a single 60‑watt light bulb.
We guarantee system performance for 13 months after installation provided the required validation testing is completed within the specified timeframe. If the system fails to meet performance targets, we will troubleshoot and correct it per the guarantee terms.
Yes. Our DIY Design Support provides the same professional blueprints and materials lists we use for contractor installs, plus a checklist for post‑install testing and validation.
Yes. We provide RRNC planning and rough‑in services to integrate radon protection during construction.
Yes. We are NRPP members, hold a Class A General Contractor license, and follow ANSI/AARST standards.
