Delivering a low energy or Passivhaus building is complex, and you need a solution rather than a single product.

At 21°, we are committed to using a whole house approach to provide better performing buildings from a comfort, cost and carbon perspective. We supply a range of specialist products and services, including triple glazed timber windows and doors, MVHR heat recovery ventilation, insulation and airtightness products.

We’ve worked hard to build a reputation for customer service, integrity and responsibility. We are committed to ensuring that our products are of the highest quality, backed by industry accreditations, and specified by companies at the forefront of energy-efficient construction. By choosing us you can rely on expert consultation at every step of your project.