AHRI recently released the September 2014 data on U.S. shipments of heating and cooling equipment. For September 2014, gas warm air furnaces increased 16.6% over September 2013. Oil furnace shipments increased 3.3% for this time period. Y-T-D gas warm air furnaces are up 4.9%. Y-T-D shipments of oil warm air furnaces are up 5.9%. Air conditioning and heat pump shipments were also up for May at 29.7% combined. Y-T-D these units are up 8.2% driven by a 16.9% increase in heat pump shipments. Click here for the full report: AHRI Shipment Data.