With temperatures expected to soar over the next several days, many New England residents will be relying heavily on air conditioning to stay cool during what forecasters say could be a dangerous heat wave.
An extreme heat warning is in effect with possible heat indexes of 110 degrees in Massachusetts. Experts say taking a few simple steps now can help ensure air conditioning units run more efficiently and keep energy costs under control.
One mechanical engineering professor recommends reducing direct sunlight on outdoor air-conditioning units whenever possible and ensuring systems are properly maintained…