if your smoking in one room alone (for example a man cave), I would highly suggest picking up one of these:
That particular one clears anywhere from 500, to 1500 sq. ft. We sell them at our stores/online, which can be found here:
http://pipesandcigars.com/csonsmokcloa.html
They make many models. From car size, to 5,000sq. ft. air cleaners. and they are THE BEST besides putting a big hole in your wall/opening a window with a fan in it raising your heating bill.
http://pipesandcigars.com/csonka.html