FEMP Solar Hot Water Calculator

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Online tool to help Federal agencies meet Energy Independence and Security Act (EISA) of 2007 Section 523 requirements for new Federal buildings and major renovations to meet 30% of hot water demand using solar hot water equipment if life-cycle cost effective.



 



Use the FEMP solar hot water calculator to estimate what size of solar system will work best for your Federal facility and how much it will cost.

The Energy Independence and Security Act (EISA) of 2007 Section 523 requires new Federal buildings and major renovations to meet 30% of hot water demand using solar hot water equipment if it is life-cycle cost effective. This tool can help meet that goal.

Start by entering project and location information. A report will be generated at the end, and can be e-mailed to the address you provide.

Solar Hot Water Calculator

References

  1.  "Solar Hot Water System Calculator"