The unique design of the advanced vacuum tube provides hot water in all seasons and their performance is up to 30% more effective than a flat plate. On average a solar hot water system provides up to 70% of your annual hot water needs. It works from dawn till dusk, throughout the year. Having a Solar Hot Water System means that there is less of a reliance on your boiler, therefore extending it’s life, an additional bonus for installing Solar. You will get more life from your Solar Hot Water System than most boilers, and they are maintenance free.