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Instantaneous Solar Water Heater Hot Water


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Tools for Green Architecture, Design & Building


Many of these tools are free online. If not, the tool is listed as "fee-based." These tools can help you design and build sustainably!

Commercial Tools

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CBECS (Commercial Buildings Energy Consumption Survey) USA

COMFEN 2.1 beta

Commercial Water Calculator

DOE-2

Photovoltaic Power Model Software

Solar Air Heater Software and Data

Solar ROI Calculator

Water Usage Calculator for Cooling Towers

Water Use Calculator Commercial Buildings