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1太阳能热水器的优劣势太阳能热水器属于第三代热水器,其节能、环保、安全已得到广泛认可,不但节能高效省钱,而且在使用时不会对环境造成污染。此外,太阳能热水器的使用寿命较长,可达10年之久。但太阳能热水器价格高,初期投资较大;受天气影响,在阴雨天就需要使用辅助电加热装置。2太阳能热水器的分类太阳能热水器按其结构来说,可分为以下几类。(1)按集热部分来分。按集热方式可分为真空玻璃管
The advantages and disadvantages of a solar water heater Solar water heaters belong to the third generation of water heaters, its energy saving, environmental protection, safety has been widely recognized, not only saving energy efficient and economical, but also in the use of the environment will not cause pollution. In addition, the service life of solar water heaters longer, up to 10 years. However, the high price of solar water heaters, the initial investment is large; affected by the weather, in the rainy days you need to use auxiliary electric heating device. 2 solar water heater classification Solar water heater according to its structure, can be divided into the following categories. (1) according to the collector part. By collecting heat can be divided into vacuum glass tube