Solar Hot Water System Calculator
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.