Natural ventilation relies on the wind and the stack effect, also known as the "chimney effect," to cool a home without using HVAC equipment. This method works best in dry climates and during moderate ...

In certain parts of the country, working inside of a power plant during summer can be very challenging on both personnel and equipment. Also, the higher you go inside a power plant, the hotter it gets ...

Global population and urbanization have boomed over the last few decades. With them came scores of new tall buildings, drones, more energy-efficient ventilation systems, and planned air taxis by Uber ...

Tougher environmental regulations are pushing for more energy efficient coal plants. Every kilowatt counts, and the boiler building ventilation system can free up many of them. With the final Clean ...

The HouseZero project is an extreme retrofit of an existing building, the home of The Harvard Center for Green Buildings and Cities at the Harvard University Graduate School of Design (GSD). According ...

Natural ventilation isn’t necessarily as green as it sounds. For best energy performance, its controls need to be highly responsive to changing conditions. Efficient natural ventilation depends ...

What leads to “sick building syndrome”—and can fresh air help? Will a particle filter benefit those with allergies or asthma? Indoor air scientists at the Department of Energy’s Lawrence Berkeley ...

When the 456-meter-tall Kunming Junfa Dongfeng Square tower opens in Kunming City, China, in mid-2017, it will stand as one of the world’s tallest naturally ventilated buildings. Roughly ...

The test box relied on temperature differences to move air instead of using fans. During the day, when the interior was cooler than the outside air, buoyancy forces produced a downward mixing flow ...