ARLINGTON, Va. — United States shipments of central air conditioners and air-source heat pumps totaled 475,926 units in February 2015, up 19.9 percent from 396,863 units shipped in February 2014, according to the latest statistics from the Air-Conditioning, Heating, and Refrigeration Institute (AHRI). U.S. shipments of central air conditioners increased 22.3 percent, to 295,479 units, up from 241,546 units shipped in February 2014. U.S. shipments of air-source heat pumps increased 16.2 percent, to 180,447 units, up from 155,317 units shipped in February 2014.

Year-to-date combined shipments of central air conditioners and air-source heat pumps increased 24.5 percent, to 955,410 units, up from 767,445 units shipped in the same period of 2014. Year-to-date shipments of central air conditioners increased 27.9 percent, to 583,840 units, up from 456,608 units shipped during the same period in 2014. The year-to-date total for heat pump shipments increased 19.5 percent, to 371,570 units, up from 310,837 units shipped during the same period in 2014.