Haute Designer Hafsa Burt On Her Zero Energy/Zero Carbon Project –... The project is a prefabricated, Zero Energy/Zero carbon single-family residence of 17[...] April 29, 2021 / Mary Gibson / Tags: architect, architecture, box, box factory, burt, cali, California, color, doug birnbaum, factory, hafsa, hafsa burt, light, minimalist, preservation, project, San Francisco, San Francisco luxury residence, zero carbon, zero waste