Berkeley Passive House

PROJECT

Project Name: Berkeley Passive House
Completion Date:
2019
Building Type:
Single Family
Project Description:

The Berkeley LEED Platinum Passive House is a modern 1035 square foot single family residence with two bedrooms and two baths. Significant features include: 0.4 ACH50 inifiltration; Alpen triple-pane windows; Zehnder ComfoAir 200 HRV; 2x6 walls with an additional 2 inches of external insulation; 2x12 roof with an additional 2 inches of insulation; Sanden heat pump water heater; Radiant floor system in 3.5 inches of concrete with 4 inches of foam insulation underneath; a 4 kW solar PV system that should result in a net zero home.

Location:
8th Street
94710 Berkeley, CA
No. of units:
1
Construction Type:
Stick framed
Construction Cost:


TEAM

Owner:
Steve Mann, Betty Aten
Architect/Designer:
Matthias Opplinger, Steve Mann, Betty Aten
Engineer/s:
Structural - Integrand, MEP - Steve Mann
PH Consultant:
Steve Mann
Contractor:
Master Builders
Other:
Miscelaneous:


PREDICTED PERFORMANCE

METRIC VALUES

Treated Floor Area:
874 ft2
81 m2
Typical Calc. Area:
1035 ft2
Exterior Walls:
28.00 hr.ft2.ºF/BTU
0.203 W/m2K
Floor/Slab:
16.00 hr.ft2.ºF/BTU
0.355 W/m2K
Roof:
56.00 hr.ft2.ºF/BTU
0.101 W/m2K
Overall Window:
4.40 hr.ft2.ºF/BTU
1.290 W/m2K
Window Frame:
3.70 hr.ft2.ºF/BTU
1.535 W/m2K
Window SHGC:
0.52
0.52 %
Entry Door:
6.00 hr.ft2.ºF/BTU
0.94633333333333 W/m2K
Ventilation:
85.00 %
85.00 %
Heating Source:
Electric boiler/radiant floor/HRV
Cooling Source:
None
Hot Water Source:
Sanden Heat Pump Water Heater
Airtightness:
0.40 ACH50
0.40 ACH50
Green materials:
Various
Annual Heat Demand:
3.52 kBTU/ft².yr
11.10 kWh/m2yr
Heating Load:
3.22 BTU/ft².hr
10.16 W/m2
Primary Energy Value:
36.50 kBTU/ft².yr
115.14 kWh/m2yr


CERTIFICATION

Certification:
0
Issued by:
Passive House Institute, USGBC