Radon Mitigation Systems

Everything You Need to Know About Radon Mitigation Systems


Planning to install a radon mitigation system? This article covers all the facts you need to know before installing one. Any procedure or technology used to minimize radon concentrations in buildings is referred to as radon mitigation. The radon mitigation system aims to reduce the indoor radon level to the lowest level that is reasonably attainable. All designs should keep radon below the EPA’s 4 pCi/L action threshold. A good radon mitigation system can keep levels below 2 pCi/L all year.

The type of foundation in a home influences which radon mitigation system will function best. A licensed radon mitigation professional should identify the type of mitigation system to install and may do diagnostic tests to determine the place to install the mitigation system. 

Radon mitigation systems use a fan to constantly pump air from the soil and exhaust it outside through a conduit that extends above the roof’s edge. The pipe can run inside or outside the house, and it vents outside, away from windows and doors. Additionally, the professional will also seal any cracks or openings on the foundation. Sealing reduces radon flow and improves the efficiency of the radon mitigation system.

What levels of radon are unsafe?

When radon levels are too high for human settlement, the Environmental Protection Agency offers advice. The EPA’s Homebuyer’s and Seller’s Guide to Radon is a fantastic resource. Although this document is a seller’s disclosure, it is a comprehensive EPA publication that provides many good considerations for radon in homes. When radon levels reach 4 picocuries per liter (pCi/L), the EPA recommends taking action to mitigate them. However, the EPA has acknowledged that even when levels are below 4 pCi/L, homeowners may still be at risk.

Contact All Air Systems to install a radon mitigation system at your home. They install radon mitigation systems to target the gases at the source and evacuate the gases from the house to the outside. In addition, the company offers a comprehensive strategy to address indoor air quality issues. They also provide the best air conditioning replacement Cockeysville, MD

Mitigation Systems that Reduces Radon in Your Home

  1. Sump Pit
    Houses with sump pits have the option of piping the radon mitigation system directly into the pit. Over the pit, the professionals will seal it with a lid, and out of the pit, they will install a pipe. Through the drain tile corrugated piping, an inline fan pulls air up from the pit and from under the slab. Exhausted air is then vented to the outside through more piping installed above the roof line.
  2. Borehole in the slab
    This type of mitigation device works best in homes without a sump pit. This system involves drilling a hole in the concrete slab and installing pipes and fans to pull air out from under the slab at single or multiple points. There should be no basement air drawn into sump pits if there is one. The pit should be covered and sealed so that the system only pulls air from underneath the slab.

Step by step guide to a radon mitigation process

Before mitigation

  • A radon test finds a radon problem in the home.
  • Request quotations from licensed radon mitigation professionals.
  • A professional walk through the house to plan out how the mitigation system will be built.
  • With the help of a specialist, go over the essential questions and obtain a proposal.
  • Evaluate the bids and hire a professional.

During the mitigation phase

  • A professional may perform diagnostic testing to ensure the correct fan size and installation.
  • The professional will seal all the cracks and gaps in the basement 
  • The expert would then install the radon mitigation system 

After the mitigation,

  • The homeowner is given a thorough explanation of how the system works by the professional.
  • Recheck the house to ensure that the system works and effectively reduces radon levels. 

Other essential characteristics of a radon mitigation system

  • Labels must be visible on radon reduction systems. Doing so will prevent accidental changes that could disrupt the system’s operation.
  • It is essential to conduct a post-mitigation radon test. If possible, wait at least 24 hours after your new system’s operating.
  • Instructions for operation and maintenance, as well as any warranties, should be provided in writing.
  • In most cases, radon mitigation systems require electrical work that requires an electrical permit to power the fan. Any contractor who does this work should have a proper license.

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