Radon Vent Fan Sizing

Of clean size 4 6 gravel to very loose soil.

Radon vent fan sizing. Use a floor bushing and dig a large suction pit at least 15 20 gallons 3 4 home depot buckets of dirt and debris. These are the vent pipe sizes we typically use based on cubic feet per minute cfm. This is true for both 3 and 4 pipe sizes. You multiply length times width times height.

Radon fans are continuous duty motors so low energy consumption is good for the earth and your pocket. Tips on fan sizing. Under 70 cfm 3 inch pipe. 10 feet x 12 feet x 8 feet that computes to 960 cubic feet of air in the room.

The only folks with a guarantee are radon mitigation professionals performing contracted work. Radonaway is committed to producing quiet operating fans. 4 is always recommended when high air flows are anticipated from gravel sub soils drain tile and sumps with french drains. If it s under 40 cfm we might use 2 inch diameter pvc pipe.

You now need to multiply 960 x 15. Schedule 20 thin. The purchase price of the radon fan will be very small compared to the 10 20 years fan lifetime of electrical cost. 4 pipe will give you the flexibility to use a wide variety of radon fans.

If the house is above 1600 sq ft but below 2500 sq ft then you need a 75 cfm fan at 1 0 wc if the pipe size is 3 inches. It is ideal for both new construction and retrofit radon systems with a slab or membrane size of up to 2500 sq. When in doubt you can never go wrong using 4 pvc schedule 40 dwv white drain and vent pipe. The purpose of a radon fan is to remove radon from below your concrete slab generally through a network of corrugated pipes.

Radon professional s pull out fan guide 2018 2019 this handy 4 page guide is intended to make it easier for you to have radonaway fan specifications and our fan replacement chart at your fingertips where you need them when you need them on a job site in. Since these fans have to operate in damp locations they re all rated for outdoor use and are thermally protected. The minimum requirements say that this air should be changed 15 times an hour. Dirt augers are helpful tools for this job.

David smith recommends that all radon mitigation systems are installed by a professional licensed radon mitigator. What is the proper radon vent pipe size to use. If it s over 70 cfm we ll use 4 inch pipe. Black abs pipe is perfectly fine too.

Quiet operation is another often overlooked issue when purchasing a radon mitigation fan. This radon fan is designed for moderate to good air flow working most effectively with sub slab or sub material conditions ranging from about 4 in.