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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
- Window to Wall Ratio
  
  0.09
- Wall 1 Type
  
  Framing with Continuous Insulation
- Wall 1 R-Value
  
  22
- Wall 1 Insulation Type
  
  Fiberglass, PolyIso
- Roof 1 Type
  
  Vented Above Deck
- Roof 1 R-Value
  
  35
- Roof 1 Insulation Type
  
  Mineral Wool
- Floor Type 1
  
  Slab on Grade
- Floor 1 R-Value
  
  1
- Window Manufacturer 1
  
  Kommerling
- Window Product Name 1
  
  Kommerling_76MD_LoE-366_Tilt Turn
- Whole Window U-Value 1
  
  0.29
- Window Glazing SHGC 1
  
  0.27
- Window Product Name 2
  
  Kommerling_76MD_LoE-366_Fixed
- Whole Window U-Value 2
  
  0.3
- Window Glazing SHGC 2
  
  0.27
- Door Manufacturer
  
  Kommerling
- Door Product Name
  
  Kommerling_76MD_LoE-366_Door
- Whole Door U-Value
  
  0.3

Systems & Equipment

- Ventilation System Manufacturer
  
  RenewAire
- Ventilation System Product Name
  
  Renewaire EV Premium S
- Ventilation System Layout
  
  De-Centralized
- Ventilation System Type
  
  ERV
- Sensible Recovery Efficiency
  
  71
- Latent Recovery Efficiency
  
  0.4
- Measured Ventilation Fan Efficiency
  
  0.79
- Heating System Manufacturer
  
  Mitsubishi
- Heating System Product Name
  
  Mitsubishi SUZ-KA18NA2
- Heating System Type
  
  Air Source Heat Pump
- Heating System Rating
  
  COP
- Heating System Performance (COP)
  
  3.9
- Cooling System Manufacturer
  
  Mitsubishi
- Cooling System Product Name
  
  Mitsubishi SUZ-KA18NA2
- Cooling System Type
  
  Air Source Heat Pump
- Cooling System Rating
  
  EER
- Hot Water System Manufacturer
  
  Rheem
- Hot Water System Product Name
  
  Rheem XE65T10H45UO
- Hot Water System Layout
  
  De-Centralized
- 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