I thought I would go ahead and share some links on some sights.
http://www.iaqsource.com/
http://oikos.com/green_products/index.php
http://truefoam.com/products.html
http://spacepak.com/index.htm
http://www.sheltersupply.com/shelter/default.aspx
http://positive-energy.com/
http://tanklesswaterheaters.com/
www.efi.org
http://jrproductsinc.com/
http://htproducts.com/
http://www.energycodes.gov/support/crawlspace_faq.stm
http://www.energycodes.gov
http://www.iaqsource.com/
http://oikos.com/green_products/index.php
http://truefoam.com/products.html
http://spacepak.com/index.htm
http://www.sheltersupply.com/shelter/default.aspx
http://positive-energy.com/
http://tanklesswaterheaters.com/
www.efi.org
http://jrproductsinc.com/
http://htproducts.com/
http://www.energycodes.gov/support/crawlspace_faq.stm
http://www.energycodes.gov