ARLINGTON, Va. — United States shipments of central air conditioners and air-source heat pumps totaled 433,643 units in October 2014, up 19.3 percent from 363,465 units shipped in October 2013, according to the latest statistics from the Air-Conditioning, Heating, and Refrigeration Institute (AHRI). U.S. shipments of central air conditioners increased 15.1 percent, to 280,524 units, up from 243,692 units shipped in October 2013. U.S. shipments of air-source heat pumps increased 27.8 percent, to 153,119 units, up from 119,773 units shipped in October 2013.

Year-to-date combined shipments of central air conditioners and air-source heat pumps increased 8.9 percent, to 6,033,336 units, up from 5,540,374 units shipped during the same period in 2013. Year-to-date shipments of central air conditioners increased 4.9 percent, to 3,993,768 units, up from 3,807,527 units shipped during the same period in 2013. The year-to-date total for heat pump shipments increased 17.7 percent, to 2,039,568 units, up from 1,732,847 units shipped during the same period in 2013.