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Frequently Asked Questions

  • What is Passive House?
    Passive House is a standard for high energy efficiency in a building that reduces energy energy use by 85% or higher while creating a comfortable and healthy indoor space. The 5 principles of passive house design are: Airtight construction Continuous insulation Heat recovery ventilation Optimized windows No thermal bridging Learn more about passive house standard at New York Passive House.
  • What are the all the NYC local laws for reducing carbons emissions in buildings?
    For a list of all the NYC building energy laws , check out NYC Accelerator. The list of local laws is organized by small buildings (less than 25,000 sq ft), large buildings (25,000 sq ft or larger), new construction, and affordable housing.
  • What is retrofitting in buildings?
    Modifying existing buildings to make them more energy efficient.
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