Nigel Isaacs is a Principal research scientist at the Building Research Association of New Zealand (BRANZ), and Senior Research Fellow in the Victoria University School of Architecture. He has spent the past ten years as science leader at BRANZ for the now-completed Household Energy End-use Project.  He is currently science leader for the Building Energy End-use Study (BEES) which over six years will explore energy and water use in non-domestic buildings in New Zealand. Expertise: HEEP & BEES projects in New Zealand