What is a solar water heater?

• What is a solar water heater?
• How does a solar water heater work?
• What are the main types of solar water heating systems?
• What are the benefits of using a solar water heater?
• Can a solar water heater work on cloudy days?
• Does a solar water heater work at night?
• How long do solar water heaters last?
• What maintenance is required for a solar water heater?
• Are solar water heaters environmentally friendly?
• Can solar water heaters be used in cold climates?

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