Sentences with phrase «efficient tumble dryers»

Even today, a few models still dry using large volumes of cold water to chill the heat exchanger, as opposed to the heat - pump technology employed by the most efficient tumble dryers.

Not exact matches

Thomas Dietz of Michigan State University in East Lansing and his team calculated the carbon - saving impact of 17 practices, such as eschewing tumble dryers, car pooling and buying fuel - efficient vehicles (see the full list below).

For example, 86 per cent of pupils identified hanging clothes to dry rather than using the tumble dryer as energy efficient.