For more information on making your home more energy efficient, feel free to use some of the resource sites and services listed below:

Total Basement Finishing
Total Basement Finishing is a division of Basement Systems Inc., the world leader in dry basement technology.

Basement Systems
The largest basement waterproofing and crawl space repair dealer network in the world. This includes companies like Healthy Basement Systems on Long Island, JES Basement Systems of Virginia, Matt Clark's Northern Basement Systems of Vermont, Matvey Construction in Seattle, and Superior Basement Systems.

Supportworks
Supportworks Inc. is a Foundation Repair Contractor Network across the United States and Canada helping residential and commercial property owners fix their failing foundations. This includes companies such as Foundation Specialties and Baird Foundation Repair.

National Radon Defense
A national network of radon testing and mitigation companies dedicated to providing information and expert services.