Rain, operating the clothes dryer, or humidity coming through the concrete can result in the basement air to be more humid. If still left unchecked, lousy air circulation can likely result in radon gasoline accumulation or bring about carbon monoxide to build-up.  Seasoned HVAC technician with 8 a long time https://basement-ventilation69024.frewwebs.com/37123361/a-simple-key-for-basement-ventilation-unveiled