A collection of 3rd party documents from the Department of Energy and other sources

DOE Building Energy Codes 101

Standard Work Specifications Tool - A tool developed by NREL for effective and safe work practices for insulation and air sealing

DOE Insulation Guide

Air Sealing Guide

Building America Solutions Center

State of Colorado Clean Power Plan

Guest Editorial by Andy WIldenberg in the Boulder Daily Camera

Building Performance Institute Home Owner Blog

Boiling Down Boiler Efficiency  provided with permission from the RSES Journal

Case Study for Non-Destructive Testing by Andy WIldenberg

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  • Andy, Thank you, I knew the energy audit would be worth the cost when we first talked. I did not realize how much you did and everything that was checked. Your detailed report was easy to understand, I had never considered several of your comments about leakage and energy loss expense. Thank you... Read More

    Peter Aurora, CO

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