(On-Demand) Reaching the “Impossible” 4th Story in Source Zero Energy Multifamily Housing

  • Saturday, December 31, 2022
  • Online/On-Demand (Available thru 12/31/2022)



60-minute webinar available on-demand until 12/31/2022

(Originally recorded live for the New Gravity Housing Conference on 8/7/2020)

  • FREE access for Illinois Green Members and $10 access for non-members.
  • Please register using the registration button on the left to gain access to this on-demand webinar.
  • Direct video link will be shared in your confirmation email.

Typically, in densely populated buildings, it is extraordinarily difficult to achieve net-zero energy in a building that rises above three stories. Our team worked together to overcome the industry standards that state only low rise and low-density buildings can achieve net-zero energy. To do so, we incorporated knowledge from a variety of disciplines and came up with creative solutions to the typical design problems that our whole field faces. The design of this building not only required integrating Passive House building techniques but also required the rethinking of the market rate proforma. The end result is a PHIUS+ Source Zero pre-certified 5 story multifamily urban environment affordable housing development located in the Chicagoland area.

This panel intends to provide detailed discussion of the implemented strategies from the various disciplines in order to help progress knowledge of net-zero energy dense development in the field generally.


  • Tom Bassett-Dilley | Architect | Owner | TBDArchitects
  • Scott Farbman | AIA, CPHC, LEED BD+C | Building Performance Analyst | DataBased+
  • David Pope | AIA, NCARB, CPHC®, LEED Green Associate | President & CEO | Oak Park Residence Corporation
  • Joe Sinnett | AIA | Associate Principal | Kahler Slater
Continuing Education:

This webinar is eligible to self-report to USGBC for 1 credit hour towards your LEED professional credential. You can find self reporting instructions in your confirmation email.


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