My location: United States
CALL US: (416) 898-8127

About Us

9981306 Canada Inc. (dba. Radon Exit) located at 71 Sciberras Rd., Markham ON L3R 2J5 Canada (Markham area). Radon Exit specializes in Radon, that’s all we do! We provide radon testing and radon mitigation to our local customers and with our online store we provide our RADON Eye (Radon Dectector) across Canada. Our store only carries the best quality Radon Detector.

Also, we are provide the radon mitigation (radon reduction) with the best quality radon mitigation products, a few examples are Fantech and AMG radon fans , Dranjer Drains , Dura-Skrim and more.....

We provide our services to the general public and to Radon Profesionals and contractors



Radon Exit (John Lee) is C-NRPP certified the new Health Canada standard. John Lee holds certifications for radon measurment and radon mitigation.

C-NRPP certified radon measurment

C-NRPP certified radon mitigation

Our Values

Leadership: At Radon Exit, you receive the kind of quality and service you expect from a leader. Our company is always evolving as the needs of our customers change and as new opportunities are created in the market. You can rest assured that, working with Radon Exit, you will enjoy the latest services, technology and developments in the industry.

Customer Relations: At Radon Exit, our highest priority is satisfied customers. You are important to us and you can expect us to go the extra mile for your business. Superior customer service is the hallmark of Radon Exit. We are proud to serve you and work hard to earn your business.

Top News
  • Mar 30, 2017 Radon gas at dangerous levels in 1 in 8 Calgary-area homes, study finds Researchers at the University of Calgary's Cumming School of Medicine tested radon gas levels in more than 2,300 homes in Calgary, Cochrane, Airdrie, Okotoks, High River and Redwood Meadows. The results show the known cancer-causing gas is a growing public health concern in southern Alberta.....
  • Mar 29, 2017 New research says many Calgary homes have high levels of radon gas A new report, published by the University of Calgary, says that many homes in the city and surrounding areas have dangerously high levels of the deadly gas known as radon. Radon is colourless, odourless and seeps in through the foundation of homes.