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Project 2298

Clutch City Passive

Houston, Texas

Building Function

Multifamily
Project Type

New Construction
ASHRAE Climate Zone

2A - Hot - Humid
Construction Completion

2023
Status

Final Certified
INT. Conditioned Floor Area

4674 sq. ft.

Core Project Team

Phius CPHB

David Edgar
Phius CPHC (Lead)

Jesse Hunt
Phius Certified Rater

Roger Taylor
Project Submitter

Jesse Hunt

Project Information

- Developer
  
  Emergent Development
- Architecture Planning
  
  Parikh Architecture + Design
- Building Owner
  
  Emergent Development
- Mechanical Systems Designer
  
  Energy Vanguard
- Construction Company
  
  PH Builders of Texas
- Building Function
  
  Multifamily
- Project Type
  
  New Construction
- Number of Units
  
  2
- Number of Stories
  
  2
- Program Version
  
  Phius CORE 2021
- All Electric
  
  Yes
- INT. Conditioned Floor Area
  
  4674 sq. ft.
- Status
  
  Final Certified
- Design Certification
  
  April 6, 2023
- Final Certification
  
  January 29, 2024
- Construction Completion
  
  2023
- ASHRAE Climate Zone
  
  2A - Hot - Humid
- Region
  
  South Central

Performance

- Annual Heating Demand
  
  0.88
- Annual Cooling Demand
  
  11.2
- Peak Heating Load
  
  1.49
- Peak Cooling Load
  
  2.51
- Site Energy Use Index (EUI)
  
  12.28
- Site Energy Use Index (w/Renewables)
  
  6.01
- Compliance Software
  
  WUFI Passive
- Source Energy (Residential)
  
  2997
- Source Energy (Residential w/Renewables)
  
  1467
- HERS Rating
  
  39
- HERS Rating w/Renewables
  
  10
- Air Tightness (per enclosure area)
  
  0.06

Enclosure

- Facade Type
  
  Fiber Cement
- Wall 1 Type
  
  Framing with Continuous Insulation
- Roof 1 Type
  
  Vented Above Deck
- Floor Type 1
  
  Slab on Grade
- Window Manufacturer 1
  
  Kommerling
- Door Manufacturer
  
  Kommerling

Systems & Equipment

- Ventilation System Manufacturer
  
  RenewAire
- Ventilation System Product Name
  
  EV Premium S
- Ventilation System Type
  
  ERV
- Sensible Recovery Efficiency
  
  0.71
- Latent Recovery Efficiency
  
  0.4
- Measured Ventilation Fan Efficiency
  
  0.79
- Heating System Manufacturer
  
  Mitsubishi
- Heating System Product Name
  
  SUZ-KA18NA2
- Heating System Type
  
  Air Source Heat Pump
- Heating System Performance (COP)
  
  3.36
- Cooling System Manufacturer
  
  Mitsubishi
- Cooling System Product Name
  
  SUZ-KA18NA2
- Cooling System Type
  
  Air Source Heat Pump
- Hot Water System Manufacturer
  
  Rheem
- Hot Water System Product Name
  
  XE65T10H45UO
- Hot Water System Type
  
  Heat Pump Water Heater
- Hot Water System Rating
  
  Energy Factor (EF)
- Hot Water System Performance Rating
  
  4.3
- Range Hood Type
  
  Exhaust
- Dryer Type
  
  Non-Vented
- Renewable Energy Type(s)
  
  On-Site PV
- Renewable Energy Annual Production
  
  8497
- Renewable Energy System Size
  
  6