Skip to main content

- What is Passive Building?
  Your passive building questions, answered
  
  Passive Building
  
  Passive Building Principles
  
  Passive Building FAQs
  
  A Better Way to Zero
  
  Passive Building Foundations Training
- Sectors
  Passive isn't just for houses
  
  Single-Family
  
  Multifamily
  
  Office Buildings
  
  Schools
  
  Other Non-Residential
- Projects
  Phius Certified Projects are the most energy efficient and comfortable buildings in the world
  Find a Project
  
  Project Certification
  
  Submit a Project
  
  Certification Review Queue
- Products
  Phius Certified Products are guaranteed to perform to passive standards
  View Products
  
  Product Certification Overview
  
  Window Certification
  
  Panel Certification
- Professionals
  Phius Certified Professionals are on the cutting edge of high-performance building
  Find a Professional
  
  Phius Certified Consultant (CPHC®)
  
  Phius Certified Builder (CPHB)
  
  Phius Certified Rater
  
  Phius Certified Verifier
  
  Phius Certified Trades Professional
  
  Phius Associate
  
  Maintain Credentials
Our Approach
- New Construction
  Phius CORE and Phius ZERO provide the path for constructing a Phius building from the ground up.
- Retrofit
  Upgrade existing buildings to Phius standards using Phius CORE REVIVE and Phius ZERO REVIVE.
- Commercial
  Phius standards aren't just for residential buildings. Phius CORE COMM and Phius ZERO COMM can be applied to any non-residential building.
Categories
December 5 – 11

Intro to THERM | December 2024
Master thermal bridging with our THERM workshop!
Upcoming Sessions
- Phius Certified Builder Training and Certification Exam | December 2024
  December 2 – 13
- Annual Alliance Member Meeting
  December 3
- Intro to THERM | December 2024
  December 5 – 11
- Phius Certified Consultant Training & Certification Exam | December 2024
  December 9 – 20
- Policy Work
  Promoting policies designed to grow passive building
  Policy Database
  
  Incentives
  
  Codes
  
  Qualified Allocation Plans
  
  Cost Data
- Tools and Support
  Providing the tools you need to create healthier buildings
  Resource Library
  
  Certification Support
  
  Calculators and Protocols
  
  Feasibility Study
  
  WUFI Passive Design Tool
  
  Climate Data
  
  Quality Assurance
  
  Tech Corner

Project 2125

ST CLAIR

Studio City, California

Building Function

Single-Family
Project Type

New Construction
ASHRAE Climate Zone

3B - Warm - Dry
Construction Completion

2023
Status

Final Certified
INT. Conditioned Floor Area

3165 sq. ft.

Core Project Team

Phius Certified Rater

John Tao
Phius CPHC (Lead)

Kyle Kovacs
Project Submitter

Kyle Kovacs

Project Information

- Developer
  
  Aramyan Kovacs Design
- Architecture Planning
  
  Aramyan Kovacs Design
- Building Owner
  
  KM Interiors LLC
- Mechanical Systems Designer
  
  Kovacs Design Build
- Construction Company
  
  Kovacs Design Build
- Building Function
  
  Single-Family
- Project Type
  
  New Construction
- Construction Type
  
  Wood-Frame
- Number of Units
  
  1
- Number of Stories
  
  3
- Program Version
  
  Phius ZERO 2021
- All Electric
  
  Yes
- INT. Conditioned Floor Area
  
  3165 sq. ft.
- Market Category
  
  Market Rate
- Project Delivery Method
  
  Design Build (DB)
- Status
  
  Final Certified
- Design Certification
  
  January 18, 2023
- Final Certification
  
  March 6, 2024
- Construction Completion
  
  2023
- ASHRAE Climate Zone
  
  3B - Warm - Dry
- Region
  
  Southwest

Performance

- Annual Heating Demand
  
  0.92
- Annual Cooling Demand
  
  3.51
- Peak Heating Load
  
  1.53
- Peak Cooling Load
  
  2.24
- Site Energy Use Index (EUI)
  
  16.05
- Site Energy Use Index (w/Renewables)
  
  -3.07
- Compliance Software
  
  WUFI Passive
- Source Energy (Residential)
  
  5370
- Air Tightness (per enclosure area)
  
  0.05

Enclosure

- Facade Type
  
  Fiber Cement
- Wall 1 R-Value
  
  28
- Roof 1 R-Value
  
  49
- Floor 1 R-Value
  
  18
- Whole Window U-Value 1
  
  0.26
- Window Glazing SHGC 1
  
  0.26

Systems & Equipment

- Ventilation System Manufacturer
  
  Zehnder
- Ventilation System Product Name
  
  Q600
- Ventilation System Layout
  
  Centralized
- Ventilation System Type
  
  HRV
- Sensible Recovery Efficiency
  
  87
- Heating System Manufacturer
  
  Mitsubishi
- Heating System Type
  
  Air Source Heat Pump
- Cooling System Type
  
  Air Source Heat Pump
- Hot Water System Layout
  
  Centralized
- Hot Water System Type
  
  Heat Pump Water Heater