From small, portable models to powerful behemoths that can cool your entire house, here are the best evaporative coolers.

Companies are coming up with alternatives to air conditioners using traditional, natural cooling techniques which not only ...

The Indian Institute of Technology Madras has recently developed a system of solar air-conditioning, using the “absorption principle,” suitable for the hot and humid climate of the coastal region of ...

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An evaporative air cooler is an energy-efficient and eco-friendly cooling solution that uses water to lower air temperature. It works by drawing warm air through water-soaked cooling pads ...

The Polar Cooling Portable AC uses a cooling mechanism called evaporative cooling. This process involves drawing air through a water-soaked filter that absorbs heat from the air. As the water ...

Reflective roofs can reduce energy bills and make urban areas livable. Roofing manufacturers have other priorities.

The Polar Cooling Portable AC uses a cooling mechanism called evaporative cooling. This process involves drawing air through a water-soaked filter that absorbs heat from the air. As the water ...

A report from nonprofit news organization Floodlight looks at the local battles over cool roofs are heating up.