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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Lydia Coleman
Outstanding Post-Purchase Support

Outstanding post-purchase support, much appreciated! 🤩 Our unit encountered an error code after a few years. A temperature sensor seemed faulty. The support team was excellent, and the engineer called to share insights on the potential issue (a corroded wire from exposure to the elements). He guided me on removing the front panel, accessing the sensor, checking/repairing the wire, and performing a general internal cleanup. His advice was spot on, and I managed to get the unit operational again without needing an engineer visit. He also offered to assist us in real time over the phone if necessary. 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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