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21°

21° provides high performance triple glazed windows and doors and MVHR ventilation, combined with outstanding personal service and technical support.

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21°'s products and services include: triple glazed timber & alu-clad windows and doors (everything from inward & outward opening windows, entrance doors, French doors, lift & slide doors to bi-fold doors) and advanced MVHR heat recovery ventilation, specialist airtightness & insulation products, and consultancy services.

From our FREE talks and resources to full product support, 21° will be one of your self-build project team.

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Timber clad home
Passivhaus windows
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Modern interiors with exposed timber and ventilation pipes
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Green Building Store window installation
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Installing Windows: How to Get it Right

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17th February 2021
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