The National Air Filtration Association of the US presented awards to the recipients of the Clean Air Awards for 2014 at their Annual Conference in Aspen, Colorado. The Clean Air Award is presented each year to the building owners and managers that take steps to significantly improve the quality of their indoor air by increasing the level or efficiency of their HVAC air filtration system in 10 specific categories. Award winning buildings must maintain IAQ diligence and submit inspection data each year in order to keep the NAFA Clean Air Award.