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Best energy-saving kettles

By Matt Clear

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Best energy-saving kettles

Our roundup of the best energy-saving kettles  - buy one of our recommended kettles to get a speedy brew and save money on your electricity bills.

Kettles all use a similar amount of energy to boil a litre of water, but that doesn’t mean they’re all equally efficient. If a kettle switches off immediately after boiling and has a low minimum fill level, it can help you save energy and money, as this means you don’t have to boil more water than you need.

We take this into account when awarding products Energy Saver status - a label we give to Best Buy kettles that successfully pair superb performance with low energy use. Not only will these kettles make a first-class cuppa, they’ll also trim your electricity bills.

You can see all the best kettles we've tested by checking out our Best Buy kettles

Money-saving kettles

To qualify as an Energy Saver, a kettle must have a brief overboil time and low minimum fill level. That way, we know that they do more to keep electricity usage down.

Which? members can log in to see our pick of the best energy-saving kettles in the table below. If you're new to Which?, you can sign up for a £1 trial to unlock the table and gain access to all of our independent product reviews and expert buying advice.

Best energy-saving kettles
What it
looks like
Kettle make and model Annual running costs Minimum fill Score Best Buy?

Blurred-Kettle

Subscriber only content 1.5l 250ml 86%

One of the highest scoring kettles we've ever tested, this is a great all-rounder. It boils quickly, is very easy to use and filters limescale effectively if you live in a hard water area.

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Blurred-Kettle

Subscriber only content 1.7l 250ml 85%

If it's a serene cup of tea you're after, this kettle is one of the very quietest we've tested in the last six years. And at only £30, it's a bargain Best Buy.

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Blurred-Kettle

Subscriber only content 1.6l 235ml 83%

This kettle comes with an integrated measuring cup, so you can accurately make sure that you're only using the amount of water you need. And not only will it save on bills, it costs less than £30 to buy too.

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Blurred-Kettle

Subscriber only content 1.5l 300ml 81%

Ideal if you only tend to make one cuppa at a time, this kettle can boil 300ml in less than a minute. It has multiple temperature settings for different kinds of tea and beeps when it's boiled.

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Blurred-Kettle

Subscriber only content 1.7l 235ml 81%

It only takes 49 seconds to boil one 235ml cup of water with this kettle - ideal if you want a speedy brew before you leave the house in the morning.

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Kettle energy-saving tips

  • Boil only the amount of water you need - boiling a litre of water often uses more than twice the energy it takes to boil the minimum amount.
  • Descale your kettle regularly - if it’s full of limescale, it uses more energy to boil the same amount of water.
  • Choose a kettle with a low minimum fill - this means you won’t waste energy by boiling more water than you need.

If you just want the best cheap kettle, or are looking for a kettle with special features such as a filter or multiple temperature options, head to our kettle reviews to see all the kettles we've tested.

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