Prototypes

The multifamily prototypes illustrate a ladder of performance leading to net-zero energy construction. They include townhomes, low-rise apartments up to three stories and mid-rise apartments. They are intended to provide development teams information on envelope and mechanical system performance during the earliest phases of a project. Each building type has a profile based on current practice, high performance and Passive House (PHIUS) standards to illustrate a ladder of performance leading to net-zero energy construction. REM/Rate modeling and a HERS index rating provides additional context for the prototypes.

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Townhome Prototype Baseline
Townhome Prototype High Performance
Townhome Prototype PHIUS
Townhome Prototype REM/Rate Summary
New Construction and Substantial Renovation


Low-Rise Prototype Baseline
Low-Rise Prototype High Performance
Low-Rise Prototype PHIUS
Low-Rise Prototype REM/Rate Summary
Retrofit and Limited Renovation


Mid-Rise Prototype Baseline
Mid-Rise Prototype High Performance
Mid-Rise Prototype PHIUS
Mid-Rise Prototype REM/Rate Summary
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