Radon Fan In Attic

Attic installed radon mitigation systems.

Radon fan in attic.

In cold environments this condensation can freeze and effect the life of the radon vent fan. Radon mitigation system information. Electrical components are out of reach. I noted the rh and temp in both the crawl and home with the radon fan running and i did it in the evening hours so the.

Radon fans and electrical components are out. First and foremost rather than having the fan and venting pipes on the outside of the home an interior system means that the only visible component on the outside is the vent stack that rises through the roof. The air flowing through the fan will maintain the fan temperature. If you have a radon level of around 4pci l the level of radon being pushed out of the exhaust side of the fan can be many times higher even into the 100s of pci l.

I have discovered the problem. Instead of having the fan and venting pipes on the outside of the home the only visible component on the outside is the vent stack that rises through the roof. Attic installed radon mitigation systems offer the benefit of hidden system components while protecting the radon fan from the elements. Thanks everyone on the feedback concerning humidity and attic insulation.

Radon systems create condensation within the suction and exhaust pipes. I have never found a radon fan more than a bit warm even if the motor has been stalled by some blockage so there appears to be no concern about causing a fire from the fan overheating. After documenting the temp and rh in both the house and crawl space i have discovered the radon fan is somehow bringing humidity outdoor air into the building envelope. A garage attic installation runs pvc piping from the sub slab radon collection point created in the slab through the garage where a radon mitigation fan has been installed.

In retrofit situations the attic installed system is usually installed through a garage with the radon vent fan in the garage attic. Radon fan i e an active system or an electrical receptacle installed in an accessible attic location near the radon vent pipe i e a passive system to facilitate future fan installation if needed. If the radon fan is located in the attic of the house or garage you can wrap the fan with fiberglass insulation. Garage attic sub slab depressurization systems are installed in homes or businesses with slab flooring.

Radon fans are better protected from the elements. Radon fans inside attic spaces are better protected from the freeze and thaw cycle. The radon system is hidden.