Direct answer
Minimally. The fan runs continuously and uses about 50-90 watts, roughly $5-$10 per month in electricity. Heated/cooled air loss through the system is offset by sealing work done during install.
Authoritative sources
- US EPA ↗
Cincinnati and surrounding counties sit in EPA Radon Zone 1, the highest-risk classification.
- EPA Citizen's Guide to Radon ↗
EPA recommends mitigation above 4.0 pCi/L and consideration of mitigation between 2.0 and 4.0 pCi/L.
- Ohio Department of Health ↗
Ohio Radon Program guidance on testing, mitigation, and contractor licensure.
Related questions
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- Is your radon system warrantied? →
- Will I hear the radon fan? →
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