New Construction of a 3709 square foot, for bedroom, three bath house and a 620 square foot detached ADU (studio with full bath.)

Location: Sonoma, California
Year of Construction: 2012

Retrofit of a 1960s 1937 square foot, 3 bedroom, 1-3/4 bath house into a 2357 square foot, two bedroom, 2-1/2 bath Passive House.

Location: Sonoma, California
Year of Construction: 2010

Retrofit of a 1,193 square foot, 3 bedrooms, 1-3/4 bath Mid Century Modern home into a 1,767 square foot, 3 bedrooms, 2-1/2 bath all-electric Passive House.

Location: Sunnyvale, California
Year of Construction: 2021

Retrofit of a 1960s, 1,993 square foot 3 bedroom, 2 bathroom, two story home with a cellar into a 3,103 square foot, 4 bedroom, 3-1/2 bathroom home with full conditioned… Read more »

Location: San Francisco, California
Year of Construction: 2015

Bishop House is a one-story single-family residence located near Bishop’s Peak. The project is all-electric and built to the Passive House Standard. The project incorporates a few key components necessary… Read more »

Location: San Luis Obispo, California
Year of Construction: 2021

The phased project is a major renovation to a historically registered 4-story, 4 apartment rowhouse near Rittenhouse Square in Philadelphia. The masonry townhome was built in 1845, with the last… Read more »

Location: Philadelphia, Pennsylvania
Year of Construction: 2018 to present

This 2,200 square foot two-story Passive House is built above an existing 2,000 square foot commercial garage. The warehouse roof provides front and rear “yards” or decks. The double height… Read more »

Location: Philadelphia, Pennsylvania
Year of Construction: 2018

Marrying Passive House design with panelized construction, electrification, renewable energy, and embodied carbon tracking, The Catskill Project is a residential development, seeking to define a working prototype for responsible, de-carbonized… Read more »

Location: Livingston Manor, New York
Year of Construction: 2022

This two story home with in-law apartment is designed to meet the PH standard. The shell is the key to comfort and efficiency and features 8″ of under-slab foam, thick… Read more »

Location: Lima, New York
Year of Construction: 2021

This new Spanish Colonial is a celebration of historic style and modern green technology. Although its authentic design conveys a sense of history, this home is anything but antiquated. The… Read more »

Location: Palo Alto, California
Year of Construction: 2014