What are "Closed House Conditions"?

What are "Closed House Conditions"?

  • Closed house conditions are necessary to ensure a stable & controlled environment in your home
  • Conditions must be maintained for 12 hours prior to starting your test, and during the full duration of the test (at least 48 hours)

Radon gas is a naturally occurring radioactive gas that can enter your home through cracks and gaps in the foundation. Exposure to high levels of radon gas can increase your risk of developing lung cancer, which is why it is important to test your home for radon gas.

One of the key factors in obtaining an accurate radon test is ensuring that the house is under closed house conditions. This helps to create a stable and controlled environment that allows for accurate testing. Closed house conditions include:

  • keep all windows and exterior doors (including garage doors) closed, except for normal entry and exit
  • maintain indoor house temperature between 65 - 80 degrees
  • do not use fireplaces, window units, swamp coolers, whole-house fans, or central vacuums
  • limit the use of clothes dryers, range hoods, and bathroom fans.

When a house is closed up, it prevents the exchange of air between the inside and outside of the home. This means that radon gas, as well as other gases and particles, can build up inside the house. By testing under these conditions, you can get a more accurate reading of the average radon concentration in your home.

It is important to note that closed house conditions should be maintained for at least 12 hours before the start of the test and throughout the entire testing period, which is typically 48 hours. During this time, it is also important to avoid any activities that can disrupt the test, such as using ventilation systems or air purifiers.

In summary, closed house conditions are essential for an accurate radon test. By following these guidelines, you can ensure that you get an accurate reading of the radon levels in your home, which can help you take necessary steps to reduce your exposure and protect your health. If you are concerned about radon gas in your home, contact a qualified radon testing professional for assistance.

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