. . . . . . . . . . . . CERTIFIED PASSIVE HOUSE . . . MALLOW, CO. - PowerPoint PPT Presentation

THE PATCHWORK QUILT PASSIVE HOUSE PASSIVE HOUSE . . . . . . . . . . . . CERTIFIED PASSIVE HOUSE . . . MALLOW, CO. CORK

• North facing slope • Public road to north • Public road to north • Existing buildings to south . . . . . . . . . . . . . . . THE SITE; CHALLANGES . . ; .

. A PATCHWORK LANDSCAPE . . . . . . . . . . . . A PATCHWORK LANDSCAPE .

. . . . . . . . . . A PATCHWORK QUILT . . . . . . . . Q . Roof Plan

. . . EXTERNAL ROOMS. . . . . . . . . . . . . . . . . . . • High up slope g p p • Away from raod • Maintain southern garden • Parking to north near road

• Living to the south • Services to the north • Central circulation • Reduces cost . . . FOLLOW THE SUN . . . . . . . . . . . . . . . . . . FOLLOW THE SUN .

. . . . . . . MAXIMUM SOUTHERN SURFACE . . MAXIMUM SOUTHERN SURFACE . • Increase surface to south • Reduce surface to the north • Increases passive solar heat gains p g • Allows more rooms to have sunny windows

. . . . . . . . . . . . . . . ARRANGEMENT . . . . . . . . ARRANGEMENT . • Step ‐ back roofs Step back roofs • Double height space • Central circulation • Bathroom to north

. . . . . . . . . . . . . . NOT A BOX . . . . . . . . . . . . . . • Sphere = minimum surface • Compact form • Reduces material • Reduces material • Reduces cost

• Freedom • Freedom • No planning issues • Windows where one wants • South facing glazing • Low pitch roofs reduce heated volume • Low pitch roofs have lower ridge height . . . . . . . . . . . . CONTEMPORARY STYLE . . . . .

. . . . . . . . . . . . TIMBER FRAME . . . . . . . . . . . . • Flexibility in design • Speed of Construction • Less affected by weather • Less affected by weather • Factory quality control • Partitions don’t have to align • Cantilevers = no problem • Corner windows = no problem

. . . . . . . . . . . . . . . . . . . WARM WOOL . . . . . . .

LOW CARBON CONSTRUCTION . . . . . . . . . . .

. . . . DETAILING . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . AIRTIGHT . . . . . • Surfaces; easy • All junctions to be considered All junctions to be considered • Vapour control layer too • Adjust windows • Door blower test

. . . . . . . . . . . . . . . . . . . . . . . STOVES WORK . . • Max heat load 2.4kW • Can open windows • Gaps under doors p • Stove good match • Gaps under doors • Warm flame • Fuel usage

• €350k all inclusive • Includes: landscaping, kitchens, fitted furniture, finishes • Build about €1000/m 2 • Build about €1000/m 2 • Always use Passive House methodology • Looking for way to build PH more competitively • Irish people have large build footprint, 50m/person . . . . . . . . . . . . . . . . . . . . . . COSTS . . . . . . . . . .

. . . . . . . WHY CERTIFICATION . . . . . . . . . . . . . . • Sunlight • To give recognition to their hard work • Max annual heat load 14kWh(m 2 /a) • Too many so called passive houses • Ultimately client choice

• Clients made changes, challenging • Client involved, know building • Client fitted roof membrane • Claimed HRV efficiency • Claimed HRV efficiency • Self ‐ Build . . . . . . . . . . . . . . . . . . . . . . . . . . . CLIENTS . . .

. . . . . . . . Low Carbon Construction . . . . . . . . . . . . . . . . . . . . . . . . . . . . Thermal Mass . . . . . . . . . . . . . . . . . . . . . . Underfloor heating . . . . . Thermal Bridging . . . . . . . . . . . . . . . . . . PHPP . . . . . . . . . . . . . . . . . . . . . . . . . . Timber Frame, Masonry?. . Timber Frame Masonry? . . . . . . . Passive House Design . . . . . . . . . . . . . . . . . . . . . . Stove . . . . . . . . . . . . HOLISTIC APPROACH . . . . . . . . . HOLISTIC APPROACH . . . . Radiant Heat. . . . . . . . . . . . Compact Form. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Heat Recovery Ventilation . . . Heat Recovery Ventilation . . . . . . Thermal Store . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Airtight Building Fabric . . . . . . . . . . . Optimum Orientation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Shading, Overheating . . . . . . . . . . Passive Solar Gains. .