Today, millions of homes and businesses around the globe use solar hot water systems because they are so cost effective! And the government pays 30% of the cost of your system and other State and Utility rebates may apply. Solar Water Heating is the First Thing To Do! Skyline Solar collectors are 40% lighter making them less costly and safer to install. These lightweight Solar collectors have less weight loading and structural issues and can be installed without roof penetrations. Even though our Solar collectors are light weight they are extremely durable.