If you do your own test using a charcoal canister available at hardware and big-box home improvement stores, the minimum test period is 4 days (96 hours), and test results are available anywhere from three days to a week after the lab receives delivery of your canister.
How to Pass a Radon Test
- Open windows. This will increase airflow through the house and assist in the ventilating process.
- Install vents in the basement or crawl space. The company working with you will decide the best option.
- Increase air movement.
- Vent air outside from the floor.
- Retest your home.
Secondly, is a 48 hour radon test accurate? People get a radon test as part of a home inspection, which is required for some real estate transactions. And these tests might only span 48 hours and certainly do not accurately represent or monitor how much radon is present throughout the year.
Similarly one may ask, is it hard to sell a house with radon?
Fortunately, it’s not hard to sell a house with radon, provided that you alert potential buyers and mitigate the problem, say Brian Thomas, a top real estate agent in the Denver, Colorado area, with 16 years of experience. “For as much fear and uncertainty as radon causes, there’s an easy fix.”
What number is considered high for radon?
According to the EPA, the maximum “acceptable” level of radon is 4.0 pCi/L, but even that level is not “safe”, per se. The EPA strongly recommends you consider radon mitigation between levels 2.0 and 4.0. For perspective, the average outdoor air level of radon is 0.4 pCi/L.
What should you not do during a radon test?
Three feet from doors and windows, away from heat source or humidity. Windows remain closed before and during the test. Maintain regular entry and exit through exterior doors. Maintain normal HVAC operation but no house or window fans.
How much does a radon inspection cost?
Average Radon Inspection Costs Typical inspections average between $150 and $300. Home size and region affect the cost. Some inspectors test for radon during a general home inspection. A professional can detect whether you have a problem and the severity of it.
Will 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. Opening basement windows helps reduce negative air pressure, diluting radon with clean outdoor air.
What happens if windows are open during a radon test?
Opening windows at the upper levels actually has the potential to increase radon levels during a short-term test. This is because the increased amount of dilution air that is brought into the house will typically be enough to offset any additional radon gas brought into the house.
Does rain affect a radon test?
Typically, light weather events – like a light rainfall, low winds, mild snowfall, etc., do not dramatically affect radon levels. Rain/storms – Storms systems bring in lower pressure air around your home. This lower pressure causes radon to “flow” from the soil to the air even faster than normal.
Can I run a dehumidifier during a radon test?
If you must test a damp or humid room (over 80% RH) then test only for two days. Dehumidifiers may be operated normally. Moisture may reduce the sensitively of some radon measurement devices. The World Health Organization recommends taking action to reduce radon levels in your home to below 2.7 picoCuries per Liter.
Does running a dehumidifier help with radon?
No, buying a dehumidifier will not make radon go away. Radon must be removed by a remediation method like active soil depressurization (ASD), which ironically has been shown to be even more effective at removing humidity from a home than a dehumidifier in the same EPA study.
Would you buy a house with radon?
Radon can seep into any home that is in contact with the ground. It is undetectable unless you perform a radon test. It is the second leading cause of lung cancer and according to the EPA and CDC, it kills more than 20,000 annually. It is not something you want in the home you are buying.
Do sellers have to disclose radon?
Radon Disclosure Laws. About 30-40 states have radon disclosure laws. During a real estate transaction, the seller must disclose any and all known radon levels or testing results. If they have never tested the property for the presence of radon, then that’s all they have to say during a home sale.
How much does it cost to get rid of radon in your home?
While the cost of radon removal depends on the specifics of your home, a typical radon system costs between $800 and $2000. If it’s a new home with passive piping in place it may be less.
Does buyer or seller pay for radon mitigation?
Usually the seller pays for a mitigation system when a radon test comes back over 4.0 picocuries per liter of air (pCi/l), but sometimes the cost is split between buyer and seller, and occasionally the seller refuses to pay anything towards a mitigtion system.
Should I buy a house with high radon?
EPA RECOMMENDS: If you are buying or selling a home, have it tested for radon. For a new home, ask if radon-resistant construction features were used and if the home has been tested. Fix the home if the radon level is 4 picocuries per liter (pCi/L) or higher.
Can I sell a house with high radon levels?
There are no laws that prevent you from selling a home with elevated radon, so you can do it. But, in certain states there are laws that require sellers to provide a radon disclosure in real estate documents. In some, the disclosure must also include known testing results and maintenance data for a mitigation system.
How do I make my house safe from radon?
Install a layer of gas-permeable aggregate, such as four inches of gravel, beneath the slab or flooring system of your home if you don’t have a crawlspace. Cover this layer or your crawlspace floor with plastic sheeting to stop radon gas from moving past that level and into your home.