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Project 1799

The Compound Rowhouses

Baltimore, Maryland

Building Function

Multifamily
Project Type

Retrofit
ASHRAE Climate Zone

4A - Mixed - Humid
Status

Design Certified
INT. Conditioned Floor Area

5156 sq. ft.

Core Project Team

Phius Certified Verifier

Justin Iovenitti
Phius CPHC (Lead)

David Gavin
Project Submitter

David Gavin
Primary Reviewer

Al Mitchell

Project Information

- Developer
  
  Midway Neighborhood Cooperative
- Architecture Planning
  
  Quinn Evans
- Construction Company
  
  Midway Neighborhood Cooperative, Inc.
- Building Function
  
  Multifamily
- Project Type
  
  Retrofit
- Construction Type
  
  Wood Frame
- Number of Units
  
  2
- Number of Stories
  
  3
- Program Version
  
  PHIUS+ 2018
- INT. Conditioned Floor Area
  
  5156 sq. ft.
- Status
  
  Design Certified
- Design Certification
  
  July 28, 2021
- ASHRAE Climate Zone
  
  4A - Mixed - Humid
- Region
  
  Northeast

Performance

- Compliance Software
  
  WUFI Passive
- Air Tightness (per enclosure area)
  
  0.06

Enclosure

- Wall 1 Type
  
  Other
- Wall 1 R-Value
  
  29
- Wall 1 Insulation Type
  
  Mineral Wool, EPS
- Wall 2 Type
  
  Framing with Continuous Insulation
- Wall 2 R-Value
  
  30
- Wall 2 Insulation Type
  
  Mineral Wool, Other
- Roof 1 Type
  
  Unvented Roof
- Roof 1 R-Value
  
  70
- Roof 1 Insulation Type
  
  Other
- Roof 2 Type
  
  Unvented Roof
- Roof 2 R-Value
  
  65
- Roof 2 Insulation Type
  
  Mineral Wool, Other
- Floor Type 1
  
  Basement Slab
- Floor 1 R-Value
  
  17
- Floor 1 Insulation Type
  
  EPS
- Floor Type 2
  
  Slab on Grade
- Floor 2 R-Value
  
  17
- Floor 2 Insulation Type
  
  EPS
- Window Manufacturer 1
  
  Optiwin
- Window Product Name 1
  
  Resista
- Whole Window U-Value 1
  
  0.14
- Window Frame Material 1
  
  Aluminum Clad Wood
- Window Glazing SHGC 1
  
  0.4

Systems & Equipment

- Ventilation System Manufacturer
  
  RenewAire
- Ventilation System Product Name
  
  EV240
- Ventilation System Layout
  
  Semi-Centralized
- Ventilation System Type
  
  ERV
- Heating System Manufacturer
  
  Mitsubishi
- Heating System Type
  
  Air Source Heat Pump
- Cooling System Type
  
  Air Source Heat Pump
- Hot Water System Manufacturer
  
  Rheem
- Hot Water System Layout
  
  De-Centralized
- Hot Water System Type
  
  Heat Pump Water Heater
- Range Hood Type
  
  Recirculation
- Dryer Type
  
  Non-Vented