AHRI recently released the April 2014 data on U.S. shipments of heating and cooling equipment. For April 2014, gas warm air furnaces decreased by 3.7%. Oil warm air furnace shipments increased 36.1% for this time period. YTD gas warm air furnaces are up 7.1% with oil warm air furnaces increasing 10.9%. Air conditioning and heat pump shipments were also up for April at 2.6% combined. YTD these units are up 10.4% driven by a 16.1% increase in heat pump shipments. Click here for the full report: AHRI Shipment Data.