Vital Efficienci Ltd. Century House, Roman Road , Blackburn , BB1 2LD United Kingdom About Solutions services products Publications articles Latest news Companies Vital Efficienci Ltd. Articles Cambridge University asks shops to shut the door Cambridge University asks shops to shut the door 0 Share Nov. 24, 2010 - By: Envido Ltd. Courtesy of Vital Efficienci Ltd. New study from Cambridge University claims that closing the door shops can cut their energy bills by half. Download full article Customer comments No comments were found for Cambridge University asks shops to shut the door. Be the first to comment! Add your comment Publish your comment Great! comment successfully added!