本实用新型涉及一种保温用品，特别是一种利用微波加热保温的微波保温器。
The utility model relates to a heat insulation appliance, particularly a microwave heat insulator which utilizes microwave heating for heat insulation.
现已广泛应用于煮水器、汤发夹、保温器、保温瓶、电热板、电汤门、干燥器、暖手器等小型发热电器上。
Now it is widely used in a series of small electrical heater such as hair curler, temperature invariable cup, temperature invariable bottle, electrical hot board, dryer, hand warmer and so on.
购买无水箱热水器（电热水器）是更加节能的做法，电热水器只在需要的时候对水进行加热，而不会对保存在水箱内的水加热保温。
For even greater efficiency consider buying a tankless water heater. Tankless water heaters only heat water when it is needed, instead of keeping a reserve of water at a constant temperature.
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