Cooling your home this summer will likely cost more than ever. Across the U.S., residential electricity bills are climbing fast, just as forecasters warn of another season of unrelenting heat.

Beat the heat with solar or rechargeable fans. Discover the best options for eco-friendly, cost-effective cooling in Nigeria. I’ve found myself wishing for a solar fan every time my rechargeable fan ...

The easiest way of making a solar fan is to connect the solar PV panel to a DC fan of a matching voltage and power rating. This simple arrangement does work, but has few serious drawbacks: The system ...