What is the best radon fan

Size of the building footprint (in square footage)Current radon level (long-term test, if possible)Building type. slab on grade. basement. walkout. tri-level or garden level. crawlspace, etc. mixed (how many sq ft of each type)

How do I know which radon fan to buy?

1. Size of the building footprint (in square footage)
2. Current radon level (long-term test, if possible)
3. Building type. slab on grade. basement. walkout. tri-level or garden level. crawlspace, etc. mixed (how many sq ft of each type)

How many CFM does a radon fan need?

RF1 Minimum rating:* 50 cfm @ 0.5″ WC [85m3/hr @ 125 Pa] Radon fan to be sized by a certified/licensed radon mitigator.

What is the most powerful radon fan?

The RP series of radon fans are perfect for most sub-slab radon mitigation systems. RadonAway RP145 comes with a manufacturer’s limited warranty of 5 years. This is also the most powerful fan in terms of CFM, and it can displace 166CFM of air.

Do radon fans really work?

Systems that use fans are more effective in reducing radon levels; however, they will slightly increase your electric bill. here are several methods a contractor can use to lower radon levels in your home. Some techniques prevent radon from entering your home while others reduce radon levels after it has entered.

Can radon fan be installed in attic?

Although radon systems installed through the exterior are quiet, installing the fan inside attic space can prevent all noticable system noise. System performance indication. Most attic installations are routed through the garage.

👉 For more insights, check out this resource.

How long do radon fans last?

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.

Are radon fans 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. However, it’s not uncommon for them to get very loud before they finally quit. If your fan is abnormally loud, check your manometer.

What is the most accurate radon detector?

Radon Eye RD200: Best overall The Radon Eye RD200 tops our list for its fast, accurate readings. After setting up this radon detector, you’ll get your initial reading within the first 10 minutes with a more accurate reading appearing within the next 60.

👉 Discover more in this in-depth guide.

Can radon fans enter basements?

A radon fan must be installed in a non-livable area of the house. This cannot be a basement or crawl-space area!! A radon fan may be installed in a garage, house attic, or outside the house. The radon fan’s exhaust pipe must be run to a minimum height of 10′ from the ground.

Article first time published on

How bad is a radon level of 5?

Radon levels are measured in picocuries per liter, or pCi/L. Levels of 4 pCi/L or higher are considered hazardous. Radon levels less than 4 pCi/L still pose a risk and in many cases can be reduced, although it is difficult to reduce levels below 2 pCi/L.

Can I install a radon fan myself?

In most cases, pros charge about $1,500 to install a radon mitigation system, but you can do it yourself for only about $500 in materials. So if you’re fairly handy and have some carpentry, plumbing and electrical skills, you can install your own system in a weekend and save yourself a thousand bucks!

How many amps is a radon fan?

Most radon fans use 1 amp or less of current and do not need a dedicated circuit.

How much does it cost to install a radon fan?

The radon fans are guaranteed by manufacturers for 3 – 5 years. Their replacement cost, including installation, is usually $300 to $600. Homeowners are aware that the fan must run continuously 24/7, year after year.

Is it OK to live in a house with radon?

If you smoke and live in a home with high radon levels, you increase your risk of developing lung cancer. … Over time, these radioactive particles increase the risk of lung cancer. It may take years before health problems appear. People who smoke and are exposed to radon are at a greater risk of developing lung cancer.

How do I reduce radon in my basement?

Other radon reduction techniques that can be used in any type of home include: sealing, house or room pressurization, heat recovery ventilation and natural ventilation. Sealing cracks and other openings in the foundation is a basic part of most approaches to radon reduction.

Do radon fans fail?

** There are occasions where a fan will fail, unrelated to the mechanics of the fan itself. For example, if you have had major construction on a home and the contractor doesn’t take the necessary precautions to protect your radon system, debris can build up and collect in the fan creating failure.

How do I know if my radon fan is working?

You can use the u-tube manometer to determine if your system is working. Look at the liquid in the tube. If it is equal on both sides, it is an indication that there is no pressure in the pipe. This means no suction from the fan (far left image) and the radon mitigation system is not working.

Should radon fan be inside or outside?

Radon mitigation standards require that the fan to be placed outside of the living space of the home. Another way to define this is any where outside the conditioned air space of the heating and air conditioning system.

Does a radon fan need to be GFCI protected?

Should you use a GFI in a radon fan installation? The short answer is no. … The National Electrical Code (local codes may vary) requires that GFCI receptacles be installed residentially in bathrooms, garages, outdoors, crawl spaces, unfinished basements, kitchens, laundries and boathouses.

Is a 48 hour radon test accurate?

“Short-term radon test kits are not effective in measuring radon gas exposure: Findings show radon tests of less than 90 days are imprecise up to 99 percent of the time.” ScienceDaily.

Is Airthings accurate?

According to Airthings, the Wave displays the local radon levels accurate to within 20 percent after a week, and accurate to within 10 percent after a month. … If you detect unsafe levels of radon in your home (higher than 4.0 pCI/L according to the EPA), you should seek out a radon mitigation service.

Are charcoal radon tests accurate?

Charcoal Radon Test Kits These tests are the cheapest and quickest options for measuring radon levels in your home, but they are also the least accurate because they are susceptible to spikes in radon levels and interference during shipping for lab tests.

Can I turn my radon fan off at night?

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 do you soundproof a radon fan?

Open face fiberglass insulation can be placed on top of the membrane or in the joist cavities above the suction location to dampen the noise. The smaller the pipe size drawing air from under the membrane the quieter the air flow noise.

How loud should radon fan be?

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.

Does a finished basement increase radon levels?

Radon Gas Problems in Basements Several years after finishing the basement, you might find that the radon level has increased above the EPA’s action limit (4 pCi/L) and must be reduced to make the house marketable.

Does radon travel upstairs?

Radon arrives predominately from the soil so the highest levels are almost always in the basement or lowest level of the home. If you have a basement and there is a door between the basement and the upper floors then the upper floors will likely have significantly lower levels.

Does finishing a basement reduce radon?

Radon levels are above recommended EPA levels. Radon levels must be reduced even if you are not finishing your basement. … Because it comes from the ground, radon levels are usually highest in basements.

Does opening windows reduce radon?

Opening windows improves air circulation and ventilation, helping move radon out of the house and mixing radon-free outside air with indoor air. Make sure all your basement windows are open. Homes tend to have lower air pressure than their surroundings, which draws radon into the basement.

What season is radon highest?

The reason that radon levels in the home can be higher in the summer and winter is two-fold. During the winter, the air in your home tends to be much warmer than the outside air, and this temperature difference creates a vacuum within your home.