Buildings are Europe’s biggest CO₂ monsters — and one Founder is on a mission to change that.

FoundersToday CEO ⁠Peter Oberlik⁠ speaks with ⁠Christian Gruener, Co-Founder and CEO of ⁠VARM⁠, the startup building Europe’s champion for insulation. With a bold goal to retrofit 1 million homes in 10 years, VARM combines technology, training, and local insulation hubs to make homes energy-efficient at scale.

From leaving top-tier consulting to getting hands dirty in the field, Christian shares what it takes to turn climate ambition into real-world impact — including hard lessons in fundraising, scaling “unsexy” businesses, and why profitability is sexy after all.

Don’t miss this story of operational climate tech that’s less about slides and more about saving energy, money, and the planet.

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