Combined U.S. factory shipments of central air conditioners and air-source heat pumps for April totaled 559,774, up 7% from April 2006 shipments, according to ARI.

Combined U.S. factory shipments of central air conditioners and air-source heat pumps for April totaled 559,774, up 7% from April 2006 shipments, according to the Air-Conditioning and Refrigeration Institute (ARI). Year-to-date combined U.S. factory shipments totaled 2 million, down 24% from the same period last year. Air-source heat pump shipments for April totaled 164,585, down 0.2% from April 2006 shipments. Year-to-date heat pump shipments totaled 613,708, down 17% from the same period last year. Click here to access the full news release.