Freestanding passive house

2021-01-01
by Herbert Gruber
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Freestanding passive house
Written by Herbert Gruber

Insulated with straw chaff as blow-in insulation (in this sense not really a straw “bale” house).

Project Data

Place:Stockerau Completion:2010 Construction:post&beam construction with chopped straw insulation Design:Haustechnik: Ing. Norbert Kollenz Straw Builder:Lopas AG, Holzbau Longin Carpenter:Lopas AG, Holzbau Longin Visitable:No Press photos:No
Living Area:147m2 Heat Consumptionf:15 U-Value (Wall):0,1W/m2K U-Value (Roof):0,08W/m2K House Technique:Lüftung: Drexel und Weiss, Aerosmart M passive Wärmerückgewinnung über die Lüftungseinheit im Wärmepumpenkompaktgerät mit Luft-Vorerwärmung / Kühlung über Solekreislauf (Sole EWT) Heizung: Beheizung und Verteilung über Zuluft (Heizregister), über (Fort-)Luft/Wasser Wärmepumpe im Kompaktgerät inkl. Speicher; zusätzliche Heizflächen zur Abdeckung von extremen Wetterlagen über Infrarot-Panele. Warmwasser: über (Fort-)Luft/Wasser Wärmepumpe im Kompaktgerät inkl. Speicher Categories: Passive House, Projects Austria,

Insulated with straw chaff as blow-in insulation (in this sense, not a real straw “bale” house).
Characteristic values PHPP
Air tightness: n50 = 0.34/h (air tightness test result)
Building heating load: 13 W/m2
Primary energy demand: 103 kWh /(m2a ) for heating, hot water, auxiliary and domestic electricity calculated according to PHPP

Mit Strohhäcksel als Einblasdämmung gedämmt (in diesem Sinne also kein wirkliches Stroh”ballen”haus).
Kennwerte PHPP
Luftdichtheit: n50 = 0.34/h (Luftdichtheitstestergebnis )
Gebäudeheizlast: 13 W/m2
Primärenergiebedarf: 103 kWh /(m2a ) für Heizung, Warmwasser, Hilfs- und Haushaltsstrom berechnet nach PHPP

About the author

Herbert Gruber

Herbert is author of the book "Neues Bauen mit Stroh in Europa" (New Building with Straw in Europe), head of the austrian strawbale network ASBN and partner in the Leonardo-project "STEP" (Strawbale Training for European Professionals) and the Erasmus project "BuildStraw Pro" (a project to get formal national recognition of the training) and "Make your City Smart". As a collector he documents European straw bale buildings since 1999 on his website (database, german), in lectures, workshops and books.

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