Established in 1985, OBAR systems is one of the first radon mitigation companies in the country. OBAR has installed over 40,000 mitigation systems throughout the country. Since 2010 OBAR has been focusing on vapor intrusion mitigation providing design and installation for both residential and commercial applications. OBAR also provides a full line of mitigation products and radon supplies to contractors and homeowners. By developing and producing our own mitigation fans we are able to keep our costs low and fine tune our fans for specific applications. We strive to maintain our reputation as honest, hardworking professionals who can be trusted to get the job done.