A method and system for an improved display case, comprising a display case having air flow paths for circulating air around one or more objects displayable in a display area in the display case, and one or more ultraviolet radiation elements suitably positioned within the air paths for sanitizing the circulating air to reduce the amount of airborne contaminants therein. The display case may comprise a produce display case, meats display case, vegetables display case, floral display case, dairy display case, a frozen foods display case, or a similar type case.