Lighting makes up about 10 percent of home energy costs. Save up to 75 percent of that energy by replacing incandescent bulbs with compact fluorescent bulbs. They also last longer, saving money on replacements.
On average, households lose about 20 percent of their heated and cooled air through the duct system to the outside. To avoid wasting energy, have your ducts inspected to ensure they’re sealed properly and insulated if necessary.
By using the microwave, toaster or a counter-top grill rather than an oven, you’ll use less energy and avoid excess heat that increases room temperature.
The cell is made up of two different layers that are stuck together. The first layer is filled with elections, so they are ready to go to the second layer. After the light hits the first layer.