Radon inspections. How bad is a radon level of 5? For tests lasting less than one week, operate only air-conditioning units which re-circulate interior air. No outside air should be introduced to the home during the test. Window air-condit…

What Should I Do If the Radon Degree is High? How bad is a radon level of 5? For tests lasting less than one week, operate only air-conditioning units which re-circulate interior air. No outside air should be introduced to the home during …