Let's face it, sometimes you just don't have time to clean up everything and make a room smell fresh. So, what can you do? One easy way to mask odors would be to tape a dryer sheet(s) directly in front of an A/C unit or standing fan. Simply turn on the unit, and in minutes, you'll have a room that smells dryer fresh. Continue reading for more extremely useful cleaning life hacks that geeks would love.