USA Insulation in Green Bay, Appleton, Oshkosh and the surrounding areas keeps Wisconsin homes and businesses comfortable and energy-efficient. Our Premium Injection Foam Insulation offers a 35% higher R-value than traditional methods, resulting in significant energy savings. We also offer whole home insulation, blown-in attic insulation, and air sealing. We're proud to be America's comfort, savings & energy efficiency experts for over 35 years.