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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


Photovoltaic Power Model Software

Solar Air Heater Software and Data

Solar ROI Calculator

Water Usage Calculator for Cooling Towers

Water Use Calculator Commercial Buildings