Source: 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.
Click on the PDF link below for central a/c and air-source heat pump, warm air furnace, residential water heater, and commercial water heater shipment numbers.
Facts & Figures: Furnace Shipments Up, A/C Shipments Down
November 22, 2010