Does government offer any financial incentives?
Yes. The Governments of Barbados and St. Lucia allow tax deductions on the purchase of a solar water heater. The Barbados experience is that the national savings of energy far outweigh the value of the incentive given. When avoided green house emissions and environmental considerations are added, tax incentives make sense. Solar hot water systems are more efficient at converting solar energy to hot water than any other form. The reduction in fossil fuel helps the national economy.