A solar water heater is a solar energy system that uses the sun to heat domestic hot water. Like the solar electric system, it uses panels to collect solar energy. However, these panels contain a water-based liquid that transfers the heat of the sun to a hot water tank.
1. COMBATING CLIMATE CHANGE.
Water heating is 17% of the energy consumption of a typical home. Many homes heat water using natural gas or other fossil fuels. It’s a lot of coal that gets into the atmosphere. The switch to hot solar water is a great way to reduce emissions of carbon dioxide and other greenhouse gases and to protect our climate.
2. PROTECTION OF AIR QUALITY.
Many additional homes use electricity to heat water. Over a third of American electricity comes from coal combustion. Solid particles and other by-products of coal combustion pollute our air and contribute to a number of negative effects on the environment and health. When you are heating with hot water solar system, you become part of the solution to these public health problems.
3. PROTECTION OF WATER QUALITY.
Coal and particles are not the only by-products of burning fossil fuels. The Natural Resources Council identified power plants as the main source of mercury and other toxic heavy metals released into the environment each year. These substances pose a serious threat to the health of our rivers, streams and lakes and to human health. Heating solar water is one of the practical steps that we can take to stop the mercury contamination of our water divisions.
4. MONTHLY SAVINGS.
A solar water heater can provide up to 80 percent of hot water demand, even in a temperate climate. This translates into significant savings on utility bills, from month to month. In fact, a solar hot water system usually pays for itself in just four to eight years and can be expected to last for 40 years or more. It’s a lot of free energy and a lot of savings.
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