Black #dust in your Condo? Black dust or carbon Dust is a sign that your elevator system is emitting high levels of Carbon Black Dust, a substance known to have health risks associated with it. Apartment Therapy... See MoreSee Less
Unless you open your windows, there is no fresh air that naturally comes in your suite. As a result, air would become stale and unhealthy. As well, in winter, condensation on windows could be a problem and mould could develop.