Operational Best Practices for Multifamily Passive Houses

Adjacent to each other in the flood-prone Rockaways in NYC and completed 2 years apart, Beach Green Dunes I and Beach Green Dunes II are two of the largest multifamily Passive House projects in the U.S. Although nearly identical in appearance, they are very different under the hood. Each has a different structure, envelope, HVAC system, resiliency strategies, and operational requirements. With a focus on data, Curtis + Ginsberg and SWA will present side-by-side details of the two buildings, lessons learned, and will compare how the two buildings are operating and performing in an effort to develop best practices for highly energy efficient, multifamily design and construction.

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Event Time: 

Thursday, September 30, 2021 - 10:30am to 11:45am

Room / Location: 

The Forum

CEU Credits: 

AIA: 1.25 LU
BPI: 1.25 Credit Hours
GBCI: 1.5 Credit Hours (BD+C, O+M, WELL)
PHIUS: 1 Credit Hour
RESNET: 5.5 Credit Hours for full conference attendance

Learning Objectives:

  • Compare two different Passive House Structural/ Envelope systems and the pros/cons of each
  • Analyze the implications of unitized vs. centralized ERV for multifamily buildings
  • Compare the design and performance considerations for two different but efficient heat pump typologies
  • Identify the commissioning and operational challenges faced by owners and residents when adopting new/high-performance technologies

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