We may receive a commission on purchases made from links. While it wasn't always top of buyers' shopping lists, there's now more reason than ever to consider efficiency when buying a new household ...

Heating and lighting buildings requires a vast amount of energy: 18% of all global energy consumption, according to the International Energy Agency. Contributing to the problem is the fact that many ...

From ceiling fans to refrigerators, the Department of Energy is updating appliance efficiency standards that would affect millions of consumers. The Biden administration's goal is to reduce ...

Airtight and super-insulated, a passive house uses around 90% less energy. When the Canadian engineer Harold Orr and his colleagues began designing an ultra-efficient home in Saskatchewan in the late ...