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Project 2114

Robles Residence

Santa Rosa, California

Building Function

Single-Family
Project Type

New Construction
ASHRAE Climate Zone

4C - Mixed - Marine
Status

Final Certified
INT. Conditioned Floor Area

2718 sq. ft.

Core Project Team

Phius Certified Rater

John Tao
Phius CPHC (Secondary)

Jarrod Denton
Phius CPHC (Lead)

Dylan Lamar
Project Submitter

Dylan Lamar

Project Information

- Architecture Planning
  
  Signum Architecture
- Additional Consultants
  
  Ashley & Vance Engineering, Inc.
- Construction Company
  
  Wright Residential
- Building Function
  
  Single-Family
- Project Type
  
  New Construction
- Number of Units
  
  1
- Number of Stories
  
  2
- Program Version
  
  Phius CORE 2021
- All Electric
  
  Yes
- INT. Conditioned Floor Area
  
  2718 sq. ft.
- Status
  
  Final Certified
- Design Certification
  
  March 17, 2023
- Final Certification
  
  August 14, 2024
- ASHRAE Climate Zone
  
  4C - Mixed - Marine
- Region
  
  Southwest

Performance

- Annual Heating Demand
  
  4.03
- Annual Cooling Demand
  
  2.74
- Peak Heating Load
  
  3.38
- Peak Cooling Load
  
  2.26
- Site Energy Use Index (EUI)
  
  19.5
- Site Energy Use Index (w/Renewables)
  
  12.31
- Compliance Software
  
  WUFI Passive
- Source Energy (Residential)
  
  5506
- Source Energy (Residential w/Renewables)
  
  3443
- Air Tightness (per enclosure area)
  
  0.046

Enclosure

- Wall 1 R-Value
  
  40
- Roof 1 R-Value
  
  85
- Floor 1 R-Value
  
  19
- Window Manufacturer 1
  
  Sokolka
- Whole Window U-Value 1
  
  0.15
- Window Glazing SHGC 1
  
  0.3

Systems & Equipment

- Ventilation System Manufacturer
  
  Zehnder
- Ventilation System Layout
  
  Centralized
- Ventilation System Type
  
  ERV
- Sensible Recovery Efficiency
  
  80
- Measured Ventilation Fan Efficiency
  
  0.46
- Heating System Manufacturer
  
  Mitsubishi
- Heating System Type
  
  Air Source Heat Pump
- Cooling System Manufacturer
  
  Mitsubishi
- Hot Water System Manufacturer
  
  Sanden or SanCO2
- Hot Water System Layout
  
  Centralized
- Hot Water System Type
  
  Split Heat Pump Water Heater
- Renewable Energy Type(s)
  
  On-Site PV
- Renewable Energy Annual Production
  
  18603
- Renewable Energy System Size
  
  12.96