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  • Compact Fluorescents


    Compact fluorescent lamps, or CFLs, use one fourth as much energy, last ten times longer than incandescent lamps, and are available in a number of sizes and shapes.

  • Lighting Controls

    Lighting Controls

    Lighting Controls

    One of the best ways to reduce lighting costs and lighting energy use is to turn off lights when you are not using them.

  • LED Lamps


    LED Lighting

    Light-emitting diodes (LEDs) are small light sources that become illuminated by the movement of electrons through a semiconductor material.

  • Lamps and Lighting Basics


    Lighting Basics

    Artificial lighting is responsible for almost 15% of home electricity consumption.

  • Incandescent Lighting


    Incandescent lighting is the most common type of lighting found in homes and is also the least efficient light bulb.

  • High-Intensity Discharge (HID) Lamps


    High-Intensity Discharge Lamps

    Because of the intense light they produce, HID lamps are commonly used outdoors or in large indoor areas.

  • Halogen Lamps

    Halogen Lamp

    Halogen lamps, or tungsten halogen lamps, are a type of incandescent lighting.

  • Energy Star Light Fixtures

    Light Fixture

    While buying an Energy Star light bulb is the first step in energy efficient lighting, if your light fixture is wasting energy, your new light bulb is not going to make a very big difference.

  • Daylighting


    Daylighting is the strategic and energy efficient use of windows and skylights to bring sunlight into your home.

Keystone Energy Efficiency Alliance
1501 Cherry St.
Philadelphia, PA 19102

Copyright © 2015 The Keystone Energy Efficiency Alliance