At 21 Degrees, we are pioneers in creating high-performance, low-energy buildings that set new standards in sustainable living. With decades of experience and a commitment to innovation, we provide a comprehensive range of products and services designed to drastically reduce energy consumption while enhancing comfort, health, and efficiency.

Our mission is to help homeowners, architects, and builders achieve low-energy goals without compromise. From intelligent ventilation systems and ultra-efficient windows to airtightness strategies and renewable energy solutions like solar panels and heat pumps, we offer everything needed to create homes that are not only better for the planet but also more comfortable to live in.

We understand that true efficiency comes from a whole-house approach. That’s why we work collaboratively with our clients, offering expert guidance at every stage – from design and product selection to installation and aftercare. Every solution we provide is tailored to suit the specific needs of the building and its occupants.

Whether you’re embarking on a retrofit or a new build, our team is here to help you realise a home that’s warm in winter, cool in summer, and efficient all year round.