US accuses Chinese AI firms of ’industrial-scale’ theft of AI technology
US accuses Chinese AI firms of ’industrial-scale’ theft of AI technology. However, the technology that goes into a kettle has been slowly improving: better insulation to keep water hotter for longer and reduce reboils; different temperature settings to suit every drink from green tea to herbal brews; and more features such as filters and concealed elements to keep scale out of our cups.
What happened
From a design perspective, it has a more industrial feel than many others – no frippery here – but not too modern that it wouldn’t fit into most kitchens. Skip to main contentSkip to navigation View image in fullscreenReviewThe best kettles in the UK to save energy and speed up your cuppa, testedWe boiled litres of water to find the best electric kettles, from hard-water heroes to vintage-style, repairable and wifi-connected models The best air fryers, tried and tested for crisp and crunchDespite the march of progress, the humble kettle remains a kitchen staple.
It’s what we turn to in times of strife, when spirits are flagging, or to start our day. When a visitor calls, one of the first things we often do is put the kettle on. Many small appliances have evolved beyond their original form, but the kettle’s basic principles remain largely unchanged. Water goes in and heats until a thermostat switches it off; the water then pours out, and we enjoy a cuppa.
When your existing kettle makes its last brew and must be taken to the big recycling centre in the sky, it pays to check out what’s on offer to replace it.
The wider picture
The next one you buy may make more of a difference to your day than you might think. At a glanceBest kettle overallBosch Sky kettle£100 at John LewisBest budget kettleKenwood Ripple kettle£39 at John LewisThe forever kettleDualit Classic kettle£164. 99 at CurrysThe fastest-boiling kettleNinja Perfect Temperature kettle£79. 99 at NinjaBest budget variable temperature kettleLakeland Digital double-walled kettle£49. 99 at LakelandWhy you should trust meWhen a friend heard I was writing this, she asked me, “Aren’t all kettles the same?
They all boil water, don’t they? ” And while she’s right about the second part, it took me at least 15 minutes to explain why she was wrong about the first. I’ve been testing kettles for years, and they vary greatly – in design, weight, ease of maintenance, ease of use and build quality. Some will last for decades while others will barely make it past the basic guarantee period.
What has been reported
In short, yes, all kettles boil water – but they are far from being all the same. How I testedView image in fullscreenEach kettle was hooked up to a power meter to assess electricity consumption. Photograph: Rachel Ogden/The GuardianAs you can imagine, I boiled a lot of water. Enough to turn my kitchen into the steamiest hammam and clear my pores of blackheads I’ve had since I was a teenager. Testing wasn’t just about making gallons of tea and having a deep skin cleanse on the cheap, though.
I also brought a lot of gadgets to the party: a power meter to assess electricity use for each kettle when boiling exactly one litre of water from cold; a timer to measure how long that took; and a probe thermometer to gauge how long it took for the kettle to click off once it had reached boiling point. After boiling, water temperature was checked at the 30-minute, one- and two-hour points to see how much it had cooled.
The ones that made the cut were selected on the basis of good energy efficiency or low minimum fill, plus ease of use or maintenance.
What happens next
Value for money has also been considered, as have longer guarantees and durable build quality that should translate into a lengthy lifespan for the appliance. Energy costs below have been calculated based on the 1 October to 31 December 2026 price cap in Great Britain. All samples have been returned to their supplier or donated to Caterham Round Table to raise funds for local causes and charity projects. The best kettles in 2026View image in fullscreen Photograph: Rachel Ogden/The GuardianBest kettle overall: Bosch Sky kettleBoschSky kettlefrom £100£100 at John Lewis£100 at AmazonWhat we loveLower temperatures ideal for green tea drinkersWhat we don’t loveNot the priciest here but it’s still an investmentView image in fullscreen Photograph: Rachel Ogden/The Guardian£100 at John Lewis£100 at AmazonOffering variable temperatures and a double-walled stainless-steel housing, the 3kW Sky is a brilliant blend of robust form and function.
It boasts a low minimum boil (300ml, which is just over a cup), a keep-warm setting and touch controls. Why we love itI found it difficult to select a best kettle from so many that performed well, but the Bosch Sky clinched it because it’s such a good all-rounder that will suit most people. It pours well, has a button that’s within easy reach of the handle so it’s simple to open the lid without touching it, and it’s insulated so the exterior doesn’t become too hot to touch.