5-family Landmark Passive House retrofit – treated floor area: 3,688 sqft
Architect: Sam Bargetz & Werner Morath of LoadingDock5 supported by intern James Brady
LPC Consultant: Roxanne Ryce-Paul – Passive House Architect/Consultant
Engineering: Jarek Tresko of George Sweeney Architect
Owner: Dominik Eckenstein – www.228washington.com/
Airtightness approach:
Pro Clima tapes and membranes on inside of brick surface. Solitex Mento interior against brick. Intello Plus in ceilings of 4th & basement. Tescon Vana & Unitape from Germany by 475 High Performance Building Supply
Insulation:
Roof: 5” Polyisocyanurate on exterior & 8” of cellulose between wood joists
Walls: 4-5” dense pack cellulose on all exterior walls by Brooklyn Insulation
1st floor: 8” of cellulose between wood joists over unconditioned basement
Windows: Custom tilt / turn wood windows with triple glazing by Sorpetaler
Uglas: 0.12 BTU/hr.ft2.F (=R8.33)
Ventilation: 2 Comfoair 350 ERV & 550 ERV by Zehnder
Hot water: 2 Hybrid GeoSpring Water Heater GEH50DEEDSC by GE
Heating and Cooling – HVAC: Air-to-air heat pumps with 2 compressors, 6 ductless & 1 ducted unit by Mitsubishi
House testing:
PHPP data: Specific space heat demand: ~ 7.5 kBTU /ft2yr – PHPP info Latest blower door test result: 1,9 ACH50 – Wiki on blower door
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