Window AC units and air purifiers in the US are about to get more energy-efficient
An air conditioning unit is seen in a window seal during a heatwave on July 21st, 2022, in Houston, Texas. | Image: Brandon Bell/Getty Images
Window air conditioners and portable air purifiers will need to get more efficient to comply with new federal standards in the US. The new rules are expected to cut consumer electricity bills by $1.5 billion a year, according to the Department of Energy (DOE), which finalized the standards yesterday.
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