U.S. Shipments of Central ACs & ASHPs Up 50.9%

U.S. shipments of central air conditioners and air- source heat pumps totaled 461,835 units in December 2014, up 50.9% from 306,141 units shipped in December 2013. U.S. shipments of central air conditioners increased 49.3%, to 278,369 units, up from 186,484 units shipped in December 2013.