Philips A21 100 watt replacement

Philips A21 100 watt replacement

100 Watt Bulb Equivalent

The Philips 100W Equivalent A21 Bulb with Warm Glow is the best 100 watt replacement for most people. It is nearly identical to a classic incandescent light bulb in terms of color and brightness. The Philips product matches most of the specifications of a traditional bulb while requiring only 18 watts.

This product is dimmable, but should be used with a compatible dimmer, such as the Lutron SCL-153P. When dimmed, this product gets warmer, just like an incandescent bulb.


Technical Information

Philips 100W Replacement A21 Bulb

  • Brightness: 1600 lumens
  • Life: 25,000 hours / 22.8 years (3 hours/day)
  • Color temperature: 2700 K (dims to 2200 K)
  • Energy: 18 watts
  • Color rendering index: 80
  • Estimated yearly energy cost: $2.17 (3 hours/day, 11 cents/kWh)

100 Watt Incandescent BulB

  • Brightness: 1650 lumens
  • Life: 1,500 hours / 1.4 years (3 hours/day)
  • Color temperature: 2700 K
  • Energy: 100 watts
  • Color rendering index: 100
  • Estimated yearly energy cost: $12.05 (3 hours/day, 11 cents/kWh)