Smart fans offer stylish home cooling with advanced features like connectivity and customization. Learn how they enhance ...

Cost: $300 (attic insulation), $23 per 4' x 8' board (solar sheathing), $4,000 (new roof), $600 (whole-house fan), $570 (whole ... including fuel and oil for a gas-powered car, would have come ...

On this overheated planet with its limited electricity supply, the time for solar air conditioners has come. Here's how to use the sun to keep cool.