Goodsun water heaters manufactures a wide range of water heating systems that include energy efficient solar water heaters, electrical water heaters, gas heaters, compact waste wood heaters and diesel fired water generators. State-of-the-art manufacturing and testing facilities clubbed with qualified work force ensures durability and efficiency of the products. The solar water heater finds applications in process industries, houses, hospitals, hostels, canteens to name a few, where hot water becomes a necessity. The capacity ranges from 100 lt/day to 100000 lt/day while the temperature range is up to 90°c. The solar water heater - available in two models, stainless steel and aluminium, saves 2300 to 2100000 units of power per year and life term of the product is more than 30 years. During non-sunny days the electrically operated boosters heat up the water. A ten-year warrantee is given for solar collectors excepting glass parts against any manufacturing defects while one-year warrantee is given for the complete system.