If you felt just fine with your standard kettle, this article might make you think again. The ones in this roundup are designed to get the water to the exact temperature to suit your drink of choice, whether that’s tea or coffee. Not convinced? Ask any tea expert what they think about using boiling water to make green or white tea and watch them wince. They are likely to explain that teas are too delicate for boiling water, with the ideal temperature being 70C for white tea. Advised temperatures vary across the tea spectrum: black and oolong teas require water at around 85C, whereas herbal infusions need 100C, and for chamomile, around 90C. Boiling water can also burn coffee, the best temperature for making it is between 91C and 96C. There are some key dos and don’ts when it comes to making your purchase. Make sure your kettle is comfortable to hold and not too heavy. It should be easy to fill up and pour without spitting or pouring back down the kettle. Other features you may or may not be interested in are energy efficiency (whether it can boil small amounts of water), how quickly and quietly the water boils and whether the viewing window clearly shows the water level. Check t...