You always have boiling water right away with a Quooker system. That way, you can make a cup of tea or fill a pot with boiling water right away. That way, your potatoes, rice, and vegetables will boil almost instantly. If you want more flexibility, get a Quooker Flex faucet. It has a pull-out hose, so you can fill your pot without holding it. You can also easily rinse all corners of your sink. Use a lot of warm water as well? Choose a COMBI+ reservoir, so you have unlimited hot water.