太阳能热水器因其绿色、无污染而被广泛应用,但问题随之而来,太阳能热水器在冬季易被冻坏,因此有不少人就用电热水器或燃气热水器代替太阳能热水器,这样做是最佳解决方案吗?就此我们深入小区展开了探究与调查。一、常用三种热水器的对比常用的热水器有太阳能热水器、燃气热水器、电热水器三种,那么哪种更合算呢?1.经济性:目前唐山市的燃气为1.9元每立方米,每度电为0.52元。按用热量来对比,1立方米燃 Solar water heaters are widely used because of their green and pollution-free properties. However, the problem is that solar water heaters are vulnerable to freezing in winter. Therefore, many people use electric water heaters or gas water heaters instead of solar water heaters. This is the best way to do so. Is it a solution? In this regard, we conducted inquiries and investigations into the community. First, the commonly used three kinds of water heaters compared to commonly used water heaters are solar water heaters, gas water heaters, electric water heaters three, then which is more cost-effective?1. Economic: Tangshan City, the current gas is 1.9 yuan per cubic meter, per kilowatt-hour It is 0.52 yuan. Contrast with heat, 1 cubic meter