AHRI recently released the May 2014 data on U.S. shipments of heating and cooling equipment. For May 2014, gas warm air furnaces are up 8.7%. Oil furnace shipments are down 1.1% for this time period. Y-T-D gas warm air furnaces are up 7.4%. Y-T-D shipments of oil warm air furnaces are up 9.2%. Air conditioning and heat pump shipments were also up for May at 8.8% combined. Y-T-D these units are up 9.9% driven by a 17.1% increase in heat pump shipments. Click here for the full report: AHRI Shipment Data.