http://ezinearticles.com/?Organizing-Furniture-to-Take-Advantage-of-Air-Flow-Efficiency-and-Save-Energy&id=1633760

30% savings on utility bills sound appealing? I'm not sure that statistic is correct but I can attest that air flow does appear to be more efficient when there is less clutter and furniture in a small space. Many experts discuss positive energy in a room based on this principal.