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Project 2295

SERC Green village (6)

Trident Builders

Edgewater, Maryland

Building Function

Single-Family
Project Type

New Construction
ASHRAE Climate Zone

4A - Mixed - Humid
Construction Completion

2024
Status

Certified
INT. Conditioned Floor Area

1472 ft²

Core Project Team

Phius Certified Rater

Jay Hall
Phius CPHC (Secondary)

John Loercher
Phius CPHC (Lead)

Michael Hindle
Project Submitter

Michael Hindle

Project Information

- Architecture Planning
  
  Trident Builders
- Building Owner
  
  Smithsonian Environmental Research Center
- Mechanical Systems Designer
  
  Wagner Consulting Engineers
- Additional Consultants
  
  Passive to Positive
- Construction Company
  
  Trident Builders
- Building Function
  
  Single-Family
- Project Type
  
  New Construction
- Number of Units
  
  1
- Number of Stories
  
  2
- Program Version
  
  Phius ZERO 2021
- All Electric
  
  Yes
- INT. Conditioned Floor Area
  
  1472 ft²
- Status
  
  Certified
- Design Certification
  
  June 28, 2023
- Final Certification
  
  April 19, 2024
- Construction Completion
  
  2024
- ASHRAE Climate Zone
  
  4A - Mixed - Humid
- Region
  
  Northeast

Performance

- Annual Heating Demand
  
  6.75 kBTU/ft².yr
- Annual Cooling Demand
  
  6.61 kBTU/ft².yr
- Peak Heating Load
  
  5.31 kBTU/ft².yr
- Peak Cooling Load
  
  2.82 kBTU/ft².yr
- Site Energy Use Index (EUI)
  
  17.35 kBTU/ft².yr
- Site Energy Use Index (w/Renewables)
  
  -11.97 kBTU/ft².yr
- Compliance Software
  
  WUFI Passive
- Source Energy (Residential)
  
  3368 kWh/person.yr
- HERS Rating
  
  33
- HERS Rating w/Renewables
  
  -31
- Air Tightness (per enclosure area)
  
  0.052 CFM50/ft²

Enclosure

- Wall 1 Type
  
  Framing with Continuous Insulation
- Wall 1 R-Value
  
  30
- Wall 1 Insulation Type
  
  Cellulose
- Wall 2 Type
  
  Framing with Continuous Insulation
- Wall 2 R-Value
  
  29
- Wall 2 Insulation Type
  
  Cellulose, GPS
- Roof 1 Type
  
  Vented Above Deck
- Roof 1 R-Value
  
  70
- Roof 1 Insulation Type
  
  Cellulose
- Floor Type 1
  
  Slab on Grade
- Floor 1 R-Value
  
  37
- Floor 1 Insulation Type
  
  EPS, Other
- Window Manufacturer 1
  
  KF Window Technology
- Window Product Name 1
  
  KF_BluEvolution_Fixed (Side) .34SHGC
- Whole Window U-Value 1
  
  0.14
- Window Glazing SHGC 1
  
  0.34
- Window Product Name 2
  
  KF_BluEvolution_T/T_ .34SHGC
- Whole Window U-Value 2
  
  0.16
- Window Glazing SHGC 2
  
  0.34
- Window Product Name 3
  
  KF_BluEvolution_Patio Sidelight_ .34SHGC
- Whole Window U-Value 3
  
  0.15
- Window Glazing SHGC 3
  
  0.34
- Door Product Name
  
  KF_BluEvolution_Patio Door_ .34SHGC
- Whole Door U-Value
  
  0.16

Systems & Equipment

- Ventilation System Manufacturer
  
  Ephoca
- Ventilation System Product Name
  
  Epocha vertical stack ducted ADE10R4H2_ventilation
- Ventilation System Layout
  
  Centralized
- Ventilation System Type
  
  Multifunction
- Sensible Recovery Efficiency
  
  71%
- Latent Recovery Efficiency
  
  0.6%
- Measured Ventilation Fan Efficiency
  
  1.54 W/cfm
- Heating System Manufacturer
  
  Ephoca
- Heating System Product Name
  
  Epocha vertical stack ducted ADE10R4H2_heat/cool
- Heating System Type
  
  Air Source Heat Pump
- Heating System Rating
  
  COP
- Heating System Performance (COP)
  
  3.41
- Cooling System Manufacturer
  
  Ephoca
- Cooling System Product Name
  
  Epocha vertical stack ducted ADE10R4H2_heat/cool
- Cooling System Type
  
  Air Source Heat Pump
- Cooling System Rating
  
  EER
- Cooling System Performance (EER)
  
  11.5
- Hot Water System Manufacturer
  
  STATE
- Hot Water System Product Name
  
  State 50g
- Hot Water System Layout
  
  Centralized
- Hot Water System Type
  
  Heat Pump Water Heater
- Hot Water System Rating
  
  Energy Factor (EF)
- Hot Water System Performance Rating
  
  3.53
- Renewable Energy Type(s)
  
  On-Site PV
- Renewable Energy Annual Production
  
  12648 kWh/yr
- Renewable Energy System Size
  
  9.6kW