Reliable Home Inspection Service
UNAPOLOGETICALLY HONEST
HOME INSPECTIONS
Inspecting Homes Since 1993!
Is Your Radon Fan Working? We Replace It — Same Day.
A failed radon fan means your home is unprotected. Our NRPP-certified team replaces radon fans across Delaware, Pennsylvania, and Maryland — and includes a free post-replacement radon test to confirm your home is safe.
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Working
This is a U-tube manometer — the gauge mounted on your radon pipe. When it's working, the liquid on one side sits lower than the other, showing the fan is creating suction. When both sides are level (as shown), the fan has stopped working and your home is no
longer protected.
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Non- Working
Is Your Radon Fan Failing? - Look for These Signs
● The liquid in your gauge tube sits at the same level on both sides
● No humming sound coming from the fan unit
● Grinding, rattling, or squealing noise from the fan
● Fan is warm or hot to the touch but no airflow from the pipe
● Your radon monitor shows levels rising again after a previous mitigation
● The fan has visible cracks, damage, or disconnected piping
How Long Do Radon Fans Last?
Most radon mitigation fans last between 5 and 10 years.
Factors That Affect Lifespan Include:
● Fan brand and model
● Whether the system was properly sized for the home's sub-slab conditions
● Moisture and humidity levels in the crawl space or basement
● Exposure to extreme temperatures
If your system is more than 7 years old, we recommend a visual inspection even if the gauge looks normal. Fan motors can degrade gradually before they fail completely.
What to Expect When You Call Us
1. Free estimate — We assess your existing system and confirm the right replacement fan for your setup.
2. Same-day replacement — In most cases, we replace the fan the same day and restore your system to full operation.
3. Free post-replacement radon test included — We place a radon monitor after installation and deliver results the same day we pick it up. This confirms the system is performing properly.
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Radon fan replacement typically ranges from $300–$700 depending on the fan model, accessibility, and whether any piping needs adjustment. We provide a free, no-obligation estimate before any work begins — and our post-replacement radon test is always included at no extra charge