Existing buildings
	Reference library
	Stakeholders and service providers
	Other building resources
	Retrofit incentives

Tools and Calculators for Existing Buildings

We offer the following tools and calculators to help you manage your energy efficiency savings in existing buildings:

• Gigajoule and Energy Intensity 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 use these tools if you are applying for ecoENERGY Retrofit Incentive for Buildings and you can also access other tools and calculators for new buildings and equipment.

Next: Reference library for existing buildings