When you try to save money, you do everything to save your job. By saving your job, you can have money to buy the things that your family needs. But sometimes, not only you will try to save your job but you will also try to save on electricity, too. There are even other people who would sacrifice their other needs just to avoid wasting too much money on electricity. Once there was this family who has no supply of hot water because the head of the family doesn’t want to use their water heater in order to save on electricity. What he didn’t know is he can still supply his family with hot water without using any electricity. What he didn’t know is he can learn to design solar water heater and make one for his own family. With a solar-powered water heater, anyone can now save money on electricity and that means, saving the environment, too.