Philips Lighting. Halogena Energy Saver halogen lamps are offered in 40-watt and 70-watt models as alternatives to 60-watt and 100-watt incandescents. The halogen lamps feature a 3,000-hour average rated life and deliver 800 to 1,600 lumens, the same light output as the higher-wattage incandescents, for a 30% energy savings, says the firm. The bulbs are designed to resemble the look and feel of traditional incandescent bulbs and are dimmable. 800.555.0050.