House of Energy, Njemačka
    Subota, 20 Svibanj 2017 10:55

    House of Energy, Njemačka

    Zgrada u gradu Kaufbeuren u Nemačkoj, je prva zgrada koja je dobila Passive House Premium certifikat. „House of Energy“ je jedna od najodrživijih zgrada na svijetu. Ona na godišnjem nivou ima potrebu za samo 8kWh/m², dok na svom krovu ima instaliran fotonaponski sistem veličine 250 m². Nove kategorije certifikata „PassivHaus“ Instituta koje su predstavljene ranije ove godine, uključuju dva certifikata – Passive House Plus i Passive House Premium. Institut je ove kategorije razvijao kako bi se uzela u obzir tranzicija u dobijanju energije putem fosilnih goriva na korištenje obnovljivih izvora energije. Za dobivanje Passive House Plus akreditacije, zgrada u toku godine ne smije koristiti više od 45kWh/m² struje dobivene iz obnovljivih izvora energije, i mora proizvesti najmanje 60kWh/m² struje iz obnovljivih izvora energije. Kada je u pitanju strožija akreditacija, Passive House Premium, parametri govore da je potrebno dostići brojke od 30kWh/m² u korištenju struje, odnosno 120kWh/m² u proizvodnji. „House of Energy“ zapravo ne ispunjava točno zacrtane brojke kada je u pitanju proizvodnja energije, sa svojih 103kWh/m² godišnje, ali je ipak zaradila svoju Premium akreditaciju uslijed odličnog nivoa potrošnje energije. Ukupni zahtjevi ove zgrade za strujom iz obnovljivih izvora energije je samo 21kWh/m² na godišnjem nivou, što je skoro trećina traženog, pa joj je tako „progledano kroz prste“ za malo nižu proizvodnju električne energije. Kako bi zaslužila Premium akreditaciju, zgrada od 900 m² koristi razne tehnologije – od kojih nijedna nije pretjerano neuobičajena za današnje pojmove. Energetska efikasnost se postiže upotrebom trostruko zastakljenih prozora, sa „odličnim nivoom“ toplinske zaštite, visok stupanj zaštite uz nepropusni vanjski omotač zgrade, konstrukcijom bez termo mostova i ventilacijski sistem sa rekuperacijom topline. Izgradnja zgrade „House of Energy“ je završena prošle godine. Nedavno zaslužena akreditacija će biti obilježena dodeljivanjem certifikata vlasnicima zgrade, tijokom obilježavanja International Passive House Days (Dan međunarodnih pasivnih kuća) 14. i 15. novembra.
    Izvor: Gizmag
     
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    House of Energy, Kaufbeuren
    When the House of Energy was built, it made Kaufbeuren, a town on the north-eastern edge of the Bavarian Allgäu, home to one of Germany’s most energy efficient new buildings. The multifunctional office block, which meets the Passivhaus Plus standard, already exceeds the EU directive that will apply to all new buildings from 2021.

    Energy efficiency
    The directive, which concerns the energy performance of buildings, states that all new buildings built in the EU from 2021 will have to be built to a nearly zero-energy standard. And while the Passivhaus standard states that a building cannot consume more than 15 kWh of energy per square metre and year, the House of Energy undercuts that considerably, using just 4.9 kWh/m2a. It can do this because its photovoltaic system produces two to three times more energy each year than the building consumes for heating, cooling, lighting and electricity. A ground source heat pump makes sure the building gets the residual heating and hot water that it needs. Built as a solid construction, the House of Energy has been fitted with an exterior insulation and finish system. The design gives the façade the appearance of a barcode.

    Intelligent building automation
    Inside the building, functions such as lighting, heating and ventilation are controlled via KNX Technology from JUNG. With the water heat pump, a KNX Smart Panel from JUNG makes it possible to centrally monitor consumption data, incoming and outgoing brine temperatures, and flow and return temperatures for heating and cooling. Eight residential ventilation systems supply the building’s various usage zones with fresh, filtered outdoor air. The ventilation systems – which include heat recovery and also control the underfloor heating – have been incorporated into the KNX building automation system. Seven JUNG Colour Touch Panel IPs control the heating, lighting, cooling and ventilation in the individual office units and the operations manager’s apartment. KNX climate sensors regulate temperature and CO2 content. The technology can also be operated via mobile devices if required. The compact, switch-style KNX Smart Control devices bring the user-friendliness of a smartphone to viewing and controlling KNX room functions. In addition, JUNG BCU push-buttons in the style of the classic LS 990 switch in white allow users to control room functions at the touch of a button.

    Visualisation
    The JUNG Facility Pilot Server has also been integrated into the system. It makes visualisation easy and can be operated either centrally or from a mobile device. KNX gateways create interfaces with other systems, such as the brine-water heat pump, the residential ventilation systems, the pump systems and the lighting controls. Remote monitoring and operation are also possible via the Facility Pilot Server.

    Security
    The JUNG audio intercom, which is fitted in a post that stands 170 cm tall, ensures a high level of security at the door. For ease of use, the intercom is integrated into the office telephone systems.

    Lighting
    Around 80% of the offices, apartments and usage zones are illuminated by LED lights. The lighting is controlled by centrally mounted KNX Touch Panels.

    The high-tech, intelligent building technology makes it easy to link up and operate numerous systems and room functions. Access from mobile devices such as smartphones and tablets also ensures a high degree of user friendliness. And, just as all the components of the building automation system interact via KNX, so the House of Energy also functions as a network. Alongside its owners – the company AIROPTIMA – the building is also home to architecture firms, building technology companies and photovoltaic businesses. Visitors can tour the permanent BauSchau exhibition to find out more about concepts and solutions connected to topics such as energy efficient construction.
    www.jung.de

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    The ‘House Of Energy’ In Germany Is The World’s Most Energy Efficient Building
    The House of Energy is a building located in Kaufbeuren, Germany and is the first to receive the Passive House Premium certification is known to be one of the world’s most sustainable buildings. The annual heating demand of this building is only 8kWh/sq. meter and is provided by a 250 sq. meters photovoltaic system installed on its roof. The new Passive House Premium building class has been introduced and launched earlier in 2015 along with the Passive House Plus class. These classes have been developed while keeping in mind the transition of the building energy sources from fossil sources to renewable energy. To achieve the Passive House Plus accreditation, a building must not consume more than 45kWh/sq. m of renewable primary energy annually and must generate at least 60kWh/sq. m of renewable energy annually. The Passive House Premium parameters are stricter with the consumption dropping to 30 kWh/sq. m and the generation rising to 120kWh/sq. m. The House of Energy falls a bit short of the energy generation requirements at 103kWh/sq. m per year, however, has still been awarded the Premium accreditation owing to the fact that its energy consumption is two-third of that required (21kWh/sq. m) and compensates for the lower energy generation. It is noteworthy that to achieve and maintain the Premium accreditation, the 900 sq. meters building employs the use of a number of technologies – none of them being out of the ordinary today. Energy efficiency is achieved by making use of triple-glazed windows along with an excellent level of thermal protection, a high level of building enveloped air-tightness and ventilation system with heat recovery. The team installed different ventilation systems for comparison sake initially actually. A ground-source heat pump provides the additional heating along with hot water. The surplus energy generated from the photovoltaic system is fed back into the grid. The House of Energy was completed last year and the awarded certification shall be presented to the house owners over the International Passive House Days of Nov. 14th and 15th when the building will also be opened for visits by public.
    wonderfulengineering.com
     
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    O nama

    Hrastović Inženjering d.o.o. od 2004. se razvija u specijaliziranu tvrtku za projektiranje i primjenu obnovljivih izvora energije. Osnova projektnog managementa održivog razvitka društva je povećanje energijske djelotvornosti klasičnih instalacija i zgrada te projektiranje novih hibridnih energijskih sustava sunčane arhitekture. Cijeli živi svijet pokreće i održava u postojanju stalni dotok Sunčeve energije, a primjenom transformacijskih tehnologija Sunce bi moglo zadovoljiti ukupne energetske potrebe društva.

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