Help Make Passive Building Mainstream Support PHIUS
Certified Projects Database
up down
No. 1066 Project EcoCor House Status Certified
Lead CPHC
Builder EcoCor Design/Build Location Knox, ME
QA/QC Rater Architecture Planning EcoCor Design/Build Mechanical Systems Designer EcoCor Design/Build
Constr. Type Timber Bldg. Function Single Family Floor Area 1140
Project Type New Construction HERS Index LEED Rating
Energy Star Rating Heating Degree Days 7345 Cooling Degree Days
Units 1 Certification Type PHIUS+    
Exterior Wall Hybrid double wall system. 2 x 4 OVE interior load bearing wall, insulated with mineral wool and sheathed with 1/2 " OSB (air barrier). Exterior "box beam wall assembly non load bearing, insulated with dense pack cellulose 3.5 lb, and sheathed with a high perm recycled sheathing. 38+ perms. R 58.3 assembly
Floor SFPF 8' monolithic "raft" slab on grade. 12 in of sub slab insulation comprised of type IX EPS. 12 in of Perimeter insulation connected to a 3.5 ft horizontal frost wing. R- 54+
Roof Textbook cold roof. Factory built manufactured trusses system engineered for snow loads. Insulated with 30+ in of loose fill cellulose. R-80
Window Frame Intus Windows Eforte Frames U- .1673
Window Glazing Intus Windows Guardian Glass Ug - .106 SHGC - .494
Entrance Door Intus Same values as windows.
Ventilation Zehnder CA 200 left hand. PHI certified 92% efficient .25 W/cfm
Heating System Mitsubishi ASHP MSZ-FE12NA Hyper heat MUZ-FE12NA 1500W Electric Resistance Baseboard Back-up
Submitter Christian Corson
Air-tightness .28 ACH/50 and dropping
Cooling System Mitubishi ASHP
Construction Year
Additional Consultants EcoCor Design/Build and Zero Energy Design
Additional Notes Much additional consideration was given to achieve truly thermal bridge free construction. All critical connections in the house have achieved - Psi values except for the Psi Install, thus decreasing heating demand considerably. Air sealing is the 21st century craftsmanship.

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