If your radon fan is making a loud humming or whirring noise, there's a chance that it needs replaced. ... The condensation that forms above the fan, inside the pipe, eventually runs back down toward and into the fan when it freezes. This might sound like a bad situation but is normal and not a concern.Feb 3, 2021
Are radon mitigation fans noisy?
If your radon fan is making a loud humming or whirring noise, there's a chance that it needs replaced. Most fans last 5-10 years, with some making it up to 20. However, it's not uncommon for them to get very loud before they finally quit. If your fan is abnormally loud, check your manometer.Feb 3, 2021
Should radon fan run constantly?
Your radon fan should never be turned off. It should constantly be running in your home to ensure that the system is working properly. After a radon system installation, a post-mitigation test for radon should be performed within 30 days of install.
How can I make my radon fan quieter?
The smaller the pipe size drawing air from under the membrane the quieter the air flow noise. To reduce sub-membrane noise, downsize the pipe under the membrane to a 2" pipe which can move up to 50 cfm or a 1.5 inch pipe that can move up to 35 cfm of air.
Why is my radon fan loud?
If your radon fan is making a loud humming or whirring noise, there's a chance that it needs replaced. Most fans last 5-10 years, with some making it up to 20. ... If the reading is currently lower, the fan is moving less air than before and it's only a matter of time before it quits working.Feb 3, 2021
Can I unplug my radon fan?
Your fan needs to run continually, so don't turn it off or unplug it. We recommend you check your U-tube once a month to ensure that the fan is working properly. After that, re-test every at least every 2 years to ensure safe levels.
When should a radon fan be replaced?
Fans may last for five years or more (manufacturer warranties tend not to exceed five years) and may then need to be repaired or replaced. Replacing a fan will cost around $200 - $350 including parts and labor. It is a good idea to retest your home at least every two years to be sure radon levels remain low.
Should my radon fan be loud?
There are two noises that are generated by the radon system: air flow and vibration. ... Excessive noise and back pressure is created when too much air is moved through the pipe. According to the best standard, a 3” pipe should move no more than 34 CFM before the system is too noisy and loses efficiency.Feb 1, 2019