Article: Tools for doing your own energy audit
Tools for doing your own energy audit: Mentions a thermal leak detector, which seems useful
http://blogs.scientificamerican.com/solar-at-home/2010/01/03/tools-for-doing-your-own-energy-audit #energy #environment
http://www.amazon.com/Black-Decker-TLD100-Thermal-Detector/dp/B001LMTW2S