Green Stuy - 731 Jefferson Avenue - International Passive House Days

This is a past event

54 people went

Location visible to members


731 Jefferson Avenue is a high performance, low cost, masonry retrofit. The design approach is to “gut” as little as possible, minimize the waste produced, and to use low VOC, natural non-petrochemical products.

Here are some highlights:

• Wall insulation: Redstone PURA, a mineral-based capillary-open board

• Roof and cellar insulation: Roxul mineral wool

• Air sealing: pro clima Intello & DA, pro clima tapes

• Ventilation: Lunos ego and e2 “through wall” ventilation system

• Windows: Rieder unpainted Douglas fir frames treated with larch oil, triple pane

• Skylights: Lamilux FE

• HVAC: Mitsubishi mini splits/ducted

• Hot water heater: GE Geospring heat pump

Please join homeowners and designers, Bettina Johae and Daniel Herskowitz on Saturday November 8th.

Please time your visit to coincide with the 2 walk through tours: one at 3 pm and the second one at 4 pm.

731 Jefferson Avenue is located between Malcolm X Blvd and Patchen Avenue in the Bedford Stuyvesant neighborhood in Brooklyn. Nearest subway stops are the Utica Ave stop on the A/C train and the Gates Ave stop on the J train.

Contact Daniel[masked] / Bettina[masked], to be let in.

For full listing of regional open houses visit the event's main page, here (

Suggested donations: $10 or become a NYPH Member here. (