Cork-based cellulose insulation manufacturer Ecocel continues to grow its business as the company aims to deliver on its mission of producing sustainable, low carbon, natural insulation for the Irish market and beyond.

Randy Ralston and Mel Cronin aimed for the passive house standard with their upgrade, and though they didn’t quite get there they ended up with a house that produces more energy than it consumes, making it one of the country’s flagship green renovation projects.