The report confirms the low incremental cost for multifamily projects to achieve Passive House and provides data showing how Passive House projects can be healthier and more comfortable than traditional buildings. Key points include:

  • Examining 45 multifamily buildings in MA and NY, they found an average cost increase over traditional projects of just 3.5%.

  • They also highlight a new 800-unit development in Newton that will pro

  • Provide tenets will over 70% lower utility costs than a traditional building.

  • Beyond costs, the report also highlight how a Passive House building can maintain a comfortable temperature during a power outage for over 6 days, compared to just over 1 day for a code-built home.

Read the full report here.