A solar water heater is a solar energy system that uses the sun to heat your domestic hot water. Without mixing the fluids, the system transfers the sun’s heat into your hot water supply using a device called a heat exchanger. The cooled fluid returns to the panels to pick up more heat — and you have emission-free hot water you can use to shower and wash everything you what.
BENEFITS OF SOLAR HOT WATER
1. Fighting climate change.
Water heating accounts for 17 percent of a typical home’s energy use. Many families heat water with natural gas or other fossil fuels. That’s many tons of carbon going into the atmosphere. Switching to solar hot water is a great way to reduce carbon and other greenhouse emissions and protect our climate.
2. Protecting air quality.
Many additional homes use electricity to heat their water. The electric power comes from burning coal which pollute our air and contribute to a number of negative environmental and health effects. When you heat with solar hot water, you become a part of the solution to these public health problems.
3. Protecting water quality.
Carbon and particulates aren’t the only byproducts of burning fossil fuel. The power plants as the primary source of mercury and other toxic heavy metals being released into the environment each year. These substances are a major threat to the health of our rivers and lakes — and to human health as well. Solar water heating is one practical step we can take to put a stop to mercury contamination of our watersheds.
4. Monthly savings.
A solar water heater can provide up to 80 percent of your hot water needs, even in temperate climates. This translates to major utility bill savings, month after month. In fact, a solar hot water system typically pays for itself in just four to eight years, and can be expected to last for 40 years or more. That’s a lot of free energy, and a lot of savings.
5. Increased home value.
Studies show that homes with solar sell faster and at higher prices than those without. Thus, adding solar hot water to your home is an investment that will pay back whether you stay or sell.