Consumer Guide to Home Energy Savings, Alex Wilson et al (American Council for an Energy Efficient Economy, 2003).
Passive Solar Buildings, by J. Douglas Balcomb (The MIT Press, 1992).
Residential Energy: Cost Savings and Comfort for Existing Buildings, by John Krigger and Chris Dorsi (Saturn Resource Management www.srmi.biz, 2004).
Solar Living Source Book, by John Schaeffer (Gaiam Real Goods, 2001).
