Help Make Passive Building Mainstream Support PHIUS
Certified Projects Database
up down
No. 1052 Project Green Gulch Zen Center Dormitory Status Certified
Lead CPHC Graham Irwin
Builder Sawyer Construction Location Muir Beach, CA
QA/QC Rater Architecture Planning Helen Degenhardt, JSW/D Architects Mechanical Systems Designer Victor Bacci (Madcon), Joe Henry (Henry Mechanical), Marcus Romani (Meline Engineering)
Constr. Type Timber Bldg. Function Multifamily Floor Area 2430
Project Type New Construction HERS Index LEED Rating
Energy Star Rating Heating Degree Days 2749 Cooling Degree Days 1237
Units 8 Certification Type PHIUS+ Certification Date June 13, 2012
Exterior Wall 2x6 OVE framed wall w/ dense packed cellulose
Floor 3.5" Polyisocyanurate on top of structural slab
Roof Insulated Attic, 16" loose cellulose
Window Frame Cascadia 325
Window Glazing Cardinal triple pane 366/179
Entrance Door Cascadia 302 (patio doors) & VIP entry doors
Ventilation Zehnder HRV
Heating System Solar Thermal w/ Tankless Propane WH backup
Submitter Graham Irwin
Air-tightness 0.53 ACH50
Cooling System Night Flushing with HRV
Additional Consultants
Additional Notes

Subscribe to our Newsletters

YouTube Follow us on Twitter We're on Facebook PHIUS Blog

© 2017 Passive House Alliance. All Rights Reserved. HOME | PRIVACY | BLOG | CONTACT US

Atlanta Web Design