Our external resources are good to revisit as policies, technologies, and product lines evolve. If you have additional questions or concerns that have not been answered by this website, or for the most up-to-date information, we encourage you to check out the resources listed in this section. This includes key government agencies and research labs, leading newsletters, consumer and environmental organizations, trade associations, and private businesses offering products and services.
The information on this site is drawn from the Consumer Guide to Home Energy Savings, now in its 10th edition. If you'd like a copy of the book, we recommend you buy it from Home Energy Magazine, where you can get special discounts for bulk orders, or from New Society Publishers.