Low energy houses

  • Fordelen ved kun at arbejde med en enkelt løsningsleverandør

    "Det gav os en god fornemmelse af sikkerhed at købe alle de produkter, vi havde brug for, hos én leverandør. Vi tilføjede reelt set kun
    gulvvarmerørene."


    John Møller-Pedersen
    Bygherre

  • Optimalt indeklima

    Opgaven var at bygge 18 huse i Danmark med det bedst mulige indeklima og et energiforbrug på nul. En krævende udfordring, men meget opnåelig.

    Design af en samlet løsning
    Bygherren og lederen af byggeprojektet satte sig ned sammen for at udarbejde en løsning. Der blev valgt et solcelleanlæg som primær energikilde, så solens stråler blev forvandlet til el. Den elektriske energi bruges derefter til at drive en varmepumpe og en varmegenvindings- og ventilationsenhed. Varmepumpen leverer varmt vand til gulvvarmen i husene.

    Gulvvarme hjælper til at reducere varmeomkostningerne
    Energiforbruget til varme og ventilation i husene er beregnet til under 4.000 kWh pr. år pr. hus, mens solcelleanlægget producerer omkring 6.000 kWh. Det betyder, at der produceres mere energi, end det er nødvendigt for at drive varmepumpen og ventilationsenheden. Det er særdeles energieffektivt at bruge gulvvarme kombineret med en varmepumpe. Det skyldes, at gulvvarme kræver en lavere forsyningstemperatur end radiatorer. For hver 1 grad celsius, forsyningstemperaturen kan sænkes, forbedres varmepumpens virkningsgrad (COP) med 2 %.

     

  • Faktaboks

    Land: Danmark

    Bygningstype: 18 familiehuse

    Bygningsår: 2013-2014

    Størrelse: 104-125 m2

    Varmeafgiver: Gulvvarme

    Gulvvarmetype: CF2+

    Varmekilde:
    Danfoss-varmepumpe, DHP-AQ

    Firmanavn: Salling Entreprise

     

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