Michael Hindle and Matt Fine led a Passive House retrofit of three abandoned masonry apartment buildings on the Southeast side of Washington DC for low-income families. Designed to PHIUS+ standards, the renovation goal coupled with on-site renewables, and affordable housing tax credits, minimizes expenses for occupants - providing stability for resident families, while achieving nearly zero energy performance. The team designed and executed and external insulation strategy of I-joists and dense-pack fiberglass, with integrated window shading and airtightness. See the details, the processes and lessons learned.
Chris West bought a raised ranch house in Jericho, Vermont. Built in 1976 the house has standard 2x4 construction (16 oc) filled with fiberglass, single pane windows, and tuck under garage. In 2010 Chris took the Passive House training. Stuck with some earlier bad choices, and issues typical to every retrofit, see how he implemented Passive House methodology and calculations, to reduce the heating load of the house by 75%.
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