One man's trash is another man's solar water heater! By using household junk, most of which you can get for free at the local landfill, you can make your own thermal water heater for less than the price of a fast food meal.
Taking you back to high school shop class, here's how to make your own wind turbine blades out of wood. The wood base easily picked up at any home building store (or heck, from fallen trees in the nearby forest), wood turbines are a more affordable option for a do-it-yourselfer as you can measure and handle the wood before you purchase and begin cutting.
If you live in a place where the wind is blowing most of the time, then you could harness it to generate electricity. One way to do so is through a home-built wind generator.
A homemade solar panel can supply power to your home appliances. By using the sun’s radiation, you can cut your monthly energy bill.
This DIY article will teach you how to make a small solar panel that can charge two AA rechargeable batteries or power small DC electronic devices.
Most home gates are relatively far from the main house, and are usually powered via a long wire. It’s a good thing there is a way to get rid of the unsightly wire. You can use a small solar installation to power your gate opener.
A parabolic trough is used to reflect direct solar radiation towards a pipe that contains a receiver fluid which runs through the trough. You can make a DIY solar heating parabolic trough for your home. It can be used as a solar cooker, or a way to heat your water supply.
A do-it-yourself solar oven is a simple way an average person can harness the sun’s energy for everyday use. It is inexpensive, and can be completed in a few hours.