ISOVER Passivhaus Engl.

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The Possibilities. The future: Refurbishment Architectural and energetic upgrade: an unattractive bungalow turned into a showpiece. One-family house in Pettenbach, Upper Austria. In many European countries, the number of newly built houses increases by no more than about 1%. Against this background, the energetic refurbishment of old buildings is becoming increasingly 108 <strong>ISOVER</strong> important. The house in Pettenbach was Austria's first refurbishment project that was executed according to passive house criteria. With a heating demand of 280 kWh/m2a, the dark, cramped bungalow from the 1960s was a typical representative of the category “energy waster”. Today, it does not only meet the latest energy requirements (heating demand 14.8 kWh/m2a acc. to PHPP), but also got a major architectural facelift. The projecting wing of the unassuming building Building owner: the Schwarz family. Planner: Lang Consulting. was clad with a horizontal larchwood panelling while a smooth metal facade lends its character to the recessed part of the building. Generously sized windows – mostly of full room height – allow light to flood in and do not obstruct the outside view. Annual heating costs for the entire house Before refurbishment: EUR 2.700 per year After refurbishment: EUR 200 per year
with passive Fewer walls. Fewer thermal bridges. More comfort. By breaking down some walls, it was possible to alleviate the problem of thermal bridges caused by the cellar walling. New layers of insulation installed in the cellar as well as a thermal envelope made of prefabricated hook-in wooden panels with integrated insulation provide seamless thermal insulation. A compact ventilation unit with highly efficient heat recovery assures the permanent supply of fresh air and a near-constant indoor temperature. Energy coefficients house technology. Before refurbishment After refurbishment Heating demand 280 kWh/m 2 a 14.8 kWh/m 2 a acc. to PHPP Heating load 230 W/m 2 12.1 W/m 2 acc. to PHPP Pressure test results (n50) 5.10 0.50 U-values of structural components: Planner: Lang Consulting Building owner: Family Schwarz External wall: 0.10 W/m 2 K Roof: 0.09 W/m 2 K Cellar ceiling/floor: 0.13 W/m 2 K Glazing: 0.60 W/m 2 K Uw total window area: 0.77 W/m 2 K Acc. to: PHI Certificate To the point: Exemplary new systems for sustainable conversion into a passive house. • Examination by laser scanning for precise surveying and CAD planning • Prefabricated, storey-high wooden panels in passive house quality fixed with a special suspension system • In the area of the cellar floor minimal floor structure with vacuum insulation • Passive house compatible insulation to minimize thermal bridging caused by the masonry • Earth heat collector along the sink hole for exploiting the waste heat, equipped with measuring probes • Compact ventilation system with highly efficient heat recovery and heat pump • Partial coverage of the electricity demand by facade-integrated photovoltaic panels (peak: 2.6 kW) <strong>ISOVER</strong> 109
Page 1 and 2: The Possibilities. • Model exampl
Page 3 and 4: Private or industrial. Window 19.1
Page 5 and 6: nd climate protection in constructi
Page 7 and 8: The roof construction was insulated
Page 9: imum energy savings. Location - Use
Page 13 and 14: at meets the economical demands. it
Page 15 and 16: n and save 90 % energy. A constant
Page 17 and 18: a precedent. Average heating energy
Page 19: Modern comfort in a historic enviro
Page 22 and 23: The Ecological Import. From nature
Page 24 and 25: The Ecological Import. From old bot
Page 26 and 27: The Ecological Import. Flexible and
Page 28 and 29: The Ecological Import. Gypsum-based
Page 30 and 31: The Ecological Import. Energetic, v
Page 33 and 34: The Service. • Addresses and cont
Page 35 and 36: Multi-Comfort House? The higher the
Page 37 and 38: Selected Literature. Books and broc

ISOVER Passivhaus Engl.

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