Radon Mitigation Systems – Your Choices


Radon mitigation systems are designed to reduce the levels of radon in indoor air and protect people from this health hazard. Radon mitigation systems are becoming increasingly important, and it is essential for homeowners and building managers to be aware of the different types of systems available to protect themselves and their occupants from the dangers of radon. Read more here: Radon Mitigation And Reduction

Radon is a naturally occurring radioactive gas that is found in soil, rock, and water. It is formed by the decay of uranium, and it can seep into homes and buildings through cracks in the foundation, walls, and floors. Radon is a colorless, odorless, and tasteless gas, so it cannot be detected by human senses. It is a health risk because exposure to high levels of radon can lead to lung cancer. According to the Environmental Protection Agency (EPA), radon is responsible for around 21,000 deaths each year in the United States.

Sub-Slab Depressurization System

This is the most common type of radon mitigation system, and it involves installing a pipe beneath the foundation of the building, which extends through the roof, and a fan is used to pull radon gas from the soil and vent it outside. The pressure difference created by the fan helps prevent radon from entering the building.

Sump Hole Suction System

This system is similar to the sub-slab depressurization system, but it is designed for homes with a sump pump. The system involves installing a suction pipe to the sump pit and venting the radon gas outside.

Block Wall Suction System

This system is used for homes with hollow block foundation walls. A series of pipes are installed into the hollow blocks and connected to a fan, which creates a negative pressure to pull the radon gas out of the blocks and vent it outside.

Crawlspace Depressurization System

This system is designed for homes with a crawl space instead of a basement. A fan is used to create a negative pressure in the crawl space, which prevents radon from entering the home.

Heat Recovery Ventilation (HRV) System

This system works by ventilating the indoor air with fresh outdoor air while also recovering heat from the outgoing air. The HRV system can be used in conjunction with other radon mitigation systems to reduce the levels of radon.

Passive Radon Mitigation System

This system is designed to prevent radon from entering a building by sealing all possible entry points, including foundation cracks, gaps, and openings. A passive system does not use a fan to exhaust the radon gas, but rather relies on natural pressure differentials to keep radon from entering the building.

Positive Pressure System

This system involves installing a fan in the attic of the building and blowing air into the living spaces, creating a positive pressure that prevents radon from entering the home.

Natural Ventilation System

This system relies on natural ventilation to reduce the levels of radon in a building. It involves opening windows and doors and increasing the ventilation rate to allow for more fresh air to enter the building.

Sealing System

This system involves sealing all possible entry points for radon in a building, such as cracks and openings in the foundation and walls, to prevent radon from entering the living spaces.

Drain Tile System

This system involves installing a pipe around the perimeter of the basement or crawlspace, which collects the radon gas and vents it outside.


In conclusion, radon mitigation systems are essential for maintaining healthy indoor air quality and protecting against the health risks of radon exposure. Choosing the right system for your home or building is crucial, and it is recommended to consult with a radon expert to evaluate your property and recommend the most suitable system.

A professional radon mitigation contractor can help identify the most effective and cost-efficient system to meet your needs and budget. It is also essential to have your system regularly tested and maintained to ensure that it continues to function properly and effectively reduce radon levels. With the right radon mitigation system in place and proper maintenance, you can minimize the risk of radon exposure and enjoy a healthier living environment.

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