Prudence joined Thornton Tomasetti in 2023 and serves as the firm’s Passive House Practice Lead. Ms. Ferreira has been consulting on passive house projects for over a decade, primarily large-scale affordable housing (LIHTC) and non-residential projects. Prudence has experience and expertise coordinating large design teams and large projects via both Phius and PHI certification paths and has taught Phius Certified Consultant (CPHC®) training in North America since 2011. She is a founding member of the Phius Technical Committee and has worked on the development of passive house standards and protocols for a decade. 

Prudence has consulted on more than 50 passive house projects across 7 different climate zones, including the world's largest Phius certified structure (Second and Delaware) and the first commercial passive house curtain wall tower with electrochromic glazing in North America (PHFA Headquarters). She has experience with unique passive house typologies such as historic masonry retrofit, medical facilities, labs, schools and senior housing.