• R-Value Calculator - DOE (Department of Energy) recommended insulation thickness for your geographical location.
  
  
• Zip-Code Insulation Program - DOE (Department of Energy) utility that will calculate the most economic insulation level for your new or existing home. (Requires Java)
  

Industry Links:

• Icynene - Icynene website includes information, brochures, and detailed specifications about the Icynene Insulation System®.
  
  
• Applegate Insulation - Manufacturer of cellulose insulation.
  
  
• Nu-Wool Insulation - Manufacturer of WALLSEAL®, a spray-in-place cellulose insulation.
  
  
• Owens Corning - Owens Corning Fiberglass website containing insulation information, calculators, and various insulation resources.
  
  
• Home Energy Saver - Home Energy Saver website includes tools and resources to help you identify the best way to save energy in your home.
  
  
• Energy Star® - Energy Star website contains useful information for building an Energy Star labeled home.
  

Associations:

• HBA of Kalamazoo - Home Builders Association of Greater Kalamazoo website.
  
  
• BBB of Western Michigan - Better Business Bureau of Western Michigan website.