Updated September 30, 2026

What is Warranty length?

In short

The period of cover a brand includes with its product, and who covers longest.

A warranty length is the period of cover a brand includes with its product, and it deserves a look before a cheaper unit with a shorter promise wins on price. Cover can end while the product keeps working, so read what is included. Autel Energy lists 3 years, British Gas - Hive - Smart Home & Heating 3 years, Cord EV 5 years, Endesa 3 years and Essent 2 years. Cord EV carries the longest cover here, Essent the shortest.

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