And what about the right size? My mother sometimes stays at home alone!
Recommended to buy without insulation, thermal insulation electric kettle is easy to generate lead wastewater, is not good for the body, a home is a person, not to entertain guests often recommended to buy small, 12 of the best electric kettle is burned, when used to burn
2 liters, one to two people use, then buy no insulation, more cost-effective. If the capacity is more than 3 liters, then the insulation is more suitable for some, because of large capacity, slow water heating, burning more energy costs.
Electric kettle power is generally relatively large, 1000 watts are very common, generally around 1500. So high power, boil a pot of water, or 3 minutes (1.5 liters), if you want to warm, I do not feel meaningful, after all, it is not a long pot burning.Also some electric kettle with heat preservation, but generally large capacity (2 liters or more), large capacity kettle, if the home guests, boil a pot of water, three people can drink tea for several rounds. However, if less than 2 liters, it is not necessary to buy thermos bottle, after all, it is not a long pot burning.
