EnerGuide for Existing Buildings (EEB)
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Tools and Calculators for Existing Buildings

The Energy Innovators Initiative (EII) offers the following tools and calculators to help you manage your energy efficiency savings:

• Energy Intensity and Gigajoule Calculator – Convert your energy consumption into gigajoules (GJ) and then calculate your building's energy intensity.
• Simple Payback Calculator (Lighting) – Use this form to estimate return on lighting investments.
• Energy Management Plan – This sample form can help you plan your energy savings.

You can also access other tools and calculators for new buildings and equipment.

Next: Reference library for existing buildings