Central Air Conditioners and Air-Source Heat Pumps U.S. shipments of central air conditioners and air-source heat pumps totaled 609,156 units in January 2023, down 19.6 percent from 757,278 units shipped in January 2022. U.S. shipments of air conditioners decreased 24.2 percent, to 327,455 units, down from 431,835 units shipped in January 2022. U.S. shipments of air-source heat pumps decreased 13.4 percent, to 281,701 units, down from 325,443 units shipped in January 2022.
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