Single-glazing. Old electric-powered heat emitters. Walls with hardly any insulation. Damp throughout the ground floor. Welcome to Europe. While these problems vary in prevalence from country to country, even nations rated highly in assessments of household energy efficiency have room for improvement. Sweden, for instance, often does very well in such analyses. But for Magnus Petersson, cofounder and chief executive of Stockholm-based Dryft, there’s plenty of work still to do. “We need to fundamentally transform the houses,” he says. Dryft, a startup with 150 employees that has raised €6 million to date, numbers itself among a fleet of new businesses…
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