Affiliates
Graham Irwin - Passive House Consultant
Graham Irwin, CPBD, CGBP, LEED AP, Certified Passive House Consultant, has been working in the construction industry as a builder, designer and consultant since 1991. Long committed to sustainability, Graham recognized the value and enormous potential of the Passive House Standard immediately and was one of the first Passive House Consultants trained in the US. Graham's firm, Essential Habitat, provides sustainability consulting, analysis and design assistance to architects, builders and property owners with an emphasis on Passive House methodology. He presents and lectures regularly on energy efficient building and climate change response and trains Passive House Consultants in support of the Passive House Institute US (PHIUS).
www.essentialhabitatconsulting.com
Jarrod Denton - Architect
Jarrod Denton, AIA, LEED, AP BD+C, is a partner with Signum Architecture in St. Helena. As a part of a firm that believes architecture should live in you as profoundly as you live in it, Jarrod helps to articulate and elevate the unique power of client’s sight and setting. His jobs have included a wide range of projects, from high-end estates and wineries to energy consultation and tenant improvements in California, Oregon, Hawaii and Costa Rica. A recent completed project was Hall Wines in St. Helena, the first LEED Gold winery in California.
Prudence Ferreira - Building Scientist
Prudence Ferreira is founder and principal of Integral Impact, Inc., a high-performance building and energy consulting firm with a special focus on zero and positive energy buildings and an emphasis on building physics and the Passive House energy standard. Her credentials include Certified Passive House™ Consultant, CA Title 24 Energy Plans Examiner, BPI-trained Building Performance Analyst, HERS + PV Rater, LEED AP, LEED for Homes Rater, GreenPoint Rater and Certified Permaculture Designer. Prudence teaches and presents regularly on Passive House in California and beyond.
