When it comes to solar water heaters, be realistic. They're typically only 30% more efficient than any other form of water heater. Second, don't think that just because you shower in the dark means you'll have to deal with cold water. Water heated by solar power should stay warm for 24 hours.
Contact your insurance agent to find out if a solar energy system could be included in your insurance policy. Expect your homeowner's insurance premiums to go up once your system is installed and consider switching to a different insurance agency if you find that your premiums have become too expensive.
Saving the environment can start with cleaner water-heating devices. There are a variety of solar powered hot water heaters for you to choose from. They are easily installed in an area of optimum sun exposure or on the roof.