21energy is a pioneering brand based in the heart of Austria, dedicated to redefining sustainable heating solutions. Established by visionaries Maximilian Obwexer and Lukas Waldner in 2022, the brand combines impeccable craftsmanship with cutting-edge technology to deliver high-performance heating products. Each unit is meticulously handcrafted using locally sourced materials, ensuring a minimal environmental footprint while supporting the local economy.

The product lineup includes a diverse range of home and industrial heaters, specialized Bitcoin heaters, and mining equipment. The standout offerings, such as the Ofen and Ofen Pro models, showcase 21energy's commitment to excellence and innovation. With a presence extending to over 30 countries, 21energy not only provides comfort through efficient heating but also sets a new industry standard for quality and sustainability. The brand's dedication is further emphasized through a customer-centric approach, featuring a 30-day return policy and free shipping on orders over €200, making it a reliable choice for customers around the globe.