YEAR-TO-DATE: Year-to-date U.S. shipments of residential gas storage water heaters increased 10.7%, residential electric storage water heaters increased 7.4%, commercial gas storage water heaters increased 8.6%, commercial electric storage water heaters increased 0.2%, gas warm-air furnaces increased 65.3%, oil warm-air furnaces increased 48.3%, central air conditioners increased 23.6%, and heat pumps increased 27.4%.

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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.