YEAR-TO-DATE: Year-to-date U.S. shipments of residential gas storage water heaters increased 2.2%, residential electric storage water heaters decreased 1.7%, commercial gas storage water heaters decreased 4.5%, commercial electric storage water heaters decreased 11.1%, gas warm-air furnaces increased 53.1%, oil warmair furnaces increased 32.4%, central air conditioners increased 21.7%, and heat pumps increased 18.7%.

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SOURCE: Information contained in these graphs is courtesy of the Air-Conditioning, Heating, and Refrigeration Institute (AHRI). Industry figures are estimates that are derived from the best available figures supplied by a sample of AHRI member companies.