Solar Water Heaters What They Are and How They Work

1. Solar Water Heaters: What They Are and How They Work An Eco-Friendly Solution for Hot Water Needs

2. Why Hot Water Needs an Upgrade Hot water is essential for daily tasks: bathing, cleaning, laundry Traditional heaters consume high electricity or gas Rising energy bills and environmental concerns Solution: Switch to solar water heating systems

3. What Is a Solar Water Heater? A solar water heater is a system that uses energy from the sun to heat water for household use. Unlike traditional electric or gas heaters, it operates using solar panels (also called collectors), making it a more environmentally friendly and cost-saving option. It’s commonly known as a solar geyser and is ideal for homes that want to reduce energy bills and minimize environmental impact. Once installed, it uses no fuel other than sunlight, providing an efficient, renewable, and low-maintenance source of hot water. It’s perfect for daily needs like bathing, laundry, and cleaning— without depending on grid electricity or gas.

4. Key Benefits ? Energy Independence ? Eco-Friendly & Sustainable Uses clean solar energy, reducing carbon emissions Decreases reliance on fossil fuels and helps combat climate change Reduces dependence on grid electricity or gas supply Reliable hot water even during power outages or fuel shortages ? Cost Savings on Bills ♻ Supports Green Living Cuts down on electricity or gas expenses After initial setup, sunlight is free — saving money long-term Government subsidies available in some areas Adds value to eco-conscious homes A step toward sustainable, off-grid living ? Low Maintenance & Long Lifespan Fewer moving parts = minimal wear and tear Requires occasional cleaning and routine checks only Can last 15–20 years with proper care

5. Major Components A solar water heater system has five main parts working together to heat and store water: 1.Solar Collectors—Roof-mounted panels that absorb sunlight and convert it into heat. 2.Storage Tank—Stores the hot water for later use. 3.Heat Exchanger—Transfers heat from the solar-heated fluid to the water. 4.Controller System – Regulates temperature and prevents overheating. 5.Backup Heater—Ensures hot water availability during cloudy or low-sunlight days. Together, these components create an efficient system that reduces energy consumption and ensures a constant supply of hot water using clean, renewable energy.

6. How Solar Collectors Work Solar collectors are the primary component responsible for capturing sunlight and converting it into heat. These collectors are typically installed on the roof, where they receive maximum exposure to the sun throughout the day. When sunlight hits the glass surface of the collector, it passes through to an absorber plate beneath. This plate absorbs the sun’s energy and heats a transfer fluid (usually water or antifreeze solution) that flows through pipes embedded in the plate. There are two main types of collectors: Flat Plate Collectors – Affordable, durable, and suitable for moderate climates Evacuated Tube Collectors – More efficient in colder regions, but fragile and more expensive These collectors ensure a constant supply of heat energy, which is then transferred to water via the system’s heat exchanger.

7. Storage Tank & Heat Exchanger Heated fluid moves into the heat exchanger Heat is transferred to the water Hot water stored in an insulated tank Ready for use in showers, cleaning, laundry, etc. Storage Tank & Heat Exchanger Heated fluid moves into the heat exchanger Heat is transferred to the water Hot water stored in an insulated tank Ready for use in showers, cleaning, laundry, etc.

8. ContactUs- Contact Us- www.sunstellar.in +91-9143917917 info@mehargroup.com Khasra No 12/21 & 22 Jalalpur-1, Sanoli, Jalalpur Road, Bapauli, Haryana 132104