Section off the living area of an open - plan space with careful placement of furniture. (idealhome.co.uk)
Even with careful placement, a single subwoofer will not have an optimal frequency response at all listening positions in the room. (svsound.com)
Fans: If in a barn with limited ventilation, try to arrange more air circulation by careful placement of a fan in front of the stall or in the aisle way. (vetmed.ucdavis.edu)