Lighting Retrofit Workbook: National Park Service

Lighting Retrofit Workbook: National Park Service
Lighting accounts for approximately one-third of the electricity used in commercial buildings and about one-fifth of all electricity used in the United States.  Additionally, waste heat from lighting increases air conditioning energy use and cost. 
 
Increasing the efficiency of a building lighting system can reduce electricity costs, improve the visual environment, and impact the sizing of HVAC and electrical systems.

This guide shows how to maximize energy savings and lighting quality in facilities with lighting retrofits.  It also offers practical recommendations for:

  • Conducting a lighting audit
  • Effective lighting design
  • Ensuring proper lighting maintenance
  • Implementing a lighting retrofit program
  • Financing lighting retrofits


Any change to an existing facility, such as the adjustment, connection, or disconnection of equipment.The ability or potential of a physical body to do work. The most common forms of energy are heat, light, mechanical (moving parts), and electrical.

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