Conceptual vector passive house heat exchanger icon and pictogram modern flat design illustration and infographic concept black on white background premium vector by HonzaHruby

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green background object element illustration design isolated business environment energy solar modern cold symbol concept idea architecture building construction estate house window ecology home roof earth investment property leader safety security efficient sheet housing residential isolation insurance asset Airtight passive Self Sufficient recuperation exchanger infographic green living passive house energy eficient energy independent

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