21degrees.com

4.7
4.7 Based on 41 reviews

Our world is changing. We believe now is the time to adapt and so we're pioneering a new future. Our mission is to empower homeowners, architects, and businesses with the knowledge and technology to harness their own sustainable energy and help safeguard...

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Cheryl Adams
Exceptional After-Sales Support

Exceptional after-sales support, thank you! 🤩 Our unit displayed an error code after a couple of years. A temperature sensor was indicated as faulty. The support team was fantastic, and the engineer called to discuss potential causes (a corroded wire from exposure to the elements). He explained how to remove the front panel, access the sensor, check/repair the wire, and perform a general internal clean. His advice was accurate, and I managed to get the unit working again without needing an engineer visit. He even offered to guide us through the process over the phone if needed. What a true star!

5
Date of experience: Jan 14, 2026

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Business Details

  • Our world is changing. We believe now is the time to adapt and so we're pioneering a new future.

    Our mission is to empower homeowners, architects, and businesses with the knowledge and technology to harness their own sustainable energy and help safeguard the planet.​

    Whether you need a single product or the ultimate Passivhaus, your system needs to be well thought out and designed correctly. We adopt a full-circle approach to provide better performing buildings from a carbon, cost, and comfort perspective to get you the right outcome.

    Our specialist products and services include renewables such as solar panels and heat pumps, and energy efficient upgrades such as triple-glazed windows and doors, mechanical ventilation with heat recovery (MVHR) systems, and insulation and airtightness products. See more

  • email info@21degrees.com
  • call 08082815021
  • language https://21degrees.com

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