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Project 1582

Rolling Bay Paassive

Bainbridge Island, Washington

Building Function

Single-Family
Project Type

New Construction
ASHRAE Climate Zone

4C - Mixed - Marine
Construction Completion

2021
Status

Certified
INT. Conditioned Floor Area

2342 ft²

Core Project Team

Phius CPHB

Bradley Eisold
Phius Certified Rater

Greta Tjeltveit
Phius CPHC (Secondary)

Skylar Swinford
Phius CPHC (Lead)

Randy Foster
Project Submitter

Randy Foster

Project Information

- Construction Company
  
  PNW BUILT INC
- Building Function
  
  Single-Family
- Project Type
  
  New Construction
- Construction Type
  
  Wood Frame
- Number of Units
  
  1
- Number of Stories
  
  1
- Program Version
  
  PHIUS+ 2018 Source Zero
- ADD'L Certification Badges
  
  PHIUS+ Source Zero
- All Electric
  
  Yes
- INT. Conditioned Floor Area
  
  2342 ft²
- Status
  
  Certified
- Design Certification
  
  August 28, 2019
- Final Certification
  
  April 14, 2022
- Construction Completion
  
  2021
- ASHRAE Climate Zone
  
  4C - Mixed - Marine
- Region
  
  Northwest

Performance

- Annual Heating Demand
  
  7.45 kBTU/ft².yr
- Annual Cooling Demand
  
  2.46 kBTU/ft².yr
- Peak Heating Load
  
  4.13 kBTU/ft².yr
- Peak Cooling Load
  
  1.78 kBTU/ft².yr
- Site Energy Use Index (EUI)
  
  13.5 kBTU/ft².yr
- Site Energy Use Index (w/Renewables)
  
  -2.93 kBTU/ft².yr
- Compliance Software
  
  WUFI Passive
- Source Energy (Residential)
  
  6486 kWh/person.yr
- Air Tightness (per enclosure area)
  
  0.029 CFM50/ft²

Enclosure

- Wall 1 Type
  
  Framing with Continuous Insulation
- Wall 1 R-Value
  
  43
- Wall 1 Insulation Type
  
  Cellulose, Other
- Wall 2 Type
  
  Framing with Continuous Insulation
- Wall 2 R-Value
  
  33
- Wall 2 Insulation Type
  
  Cellulose, Other
- Roof 1 Type
  
  Unvented Roof
- Roof 1 R-Value
  
  128
- Roof 1 Insulation Type
  
  Cellulose, XPS
- Floor Type 1
  
  Overhang Floor
- Floor 1 R-Value
  
  62
- Floor 1 Insulation Type
  
  Cellulose, XPS
- Floor Type 2
  
  Crawlspace Floor
- Floor 2 R-Value
  
  65
- Floor 2 Insulation Type
  
  Cellulose
- Window Manufacturer 1
  
  Zola
- Window Product Name 1
  
  ThermoClad Fixed
- Whole Window U-Value 1
  
  0.14
- Window Glazing SHGC 1
  
  0.52
- Window Manufacturer 2
  
  Zola
- Window Product Name 2
  
  ThermoClad Operable
- Whole Window U-Value 2
  
  0.15
- Window Glazing SHGC 2
  
  0.53
- Window Manufacturer 3
  
  Lamilux
- Window Product Name 3
  
  Lamilux FE
- Whole Window U-Value 3
  
  0.3
- Window Glazing SHGC 3
  
  0.32
- Door Manufacturer
  
  Zola
- Door Product Name
  
  ThermoClad Door
- Whole Door U-Value
  
  0.17

Systems & Equipment

- Ventilation System Manufacturer
  
  Zehnder
- Ventilation System Product Name
  
  Comfair Q350
- Ventilation System Layout
  
  Centralized
- Ventilation System Type
  
  HRV
- Sensible Recovery Efficiency
  
  86%
- Measured Ventilation Fan Efficiency
  
  0.31 W/cfm
- Heating System Manufacturer
  
  Daikin
- Heating System Type
  
  Air Source Heat Pump
- Cooling System Manufacturer
  
  Daikin
- Cooling System Type
  
  Air Source Heat Pump
- Hot Water System Manufacturer
  
  Sanden
- Hot Water System Product Name
  
  SANCO2 Gen3
- Hot Water System Layout
  
  Centralized
- Hot Water System Type
  
  Heat Pump Water Heater
- Range Hood Type
  
  Recirculation
- Dryer Type
  
  Non-Vented
- Renewable Energy Type(s)
  
  On-Site PV
- Renewable Energy Annual Production
  
  11276 kWh/yr
- Renewable Energy System Size
  
  10kW