Get $500 Back on Attic Insulation — Here’s How Chattanooga Homeowners Are Saving Big Insulation Plus Chattanooga | TVA Quality Contractor Network Member If your Chattanooga home’s attic insulation is below R-38, you could be losing hundreds of dollars every year in wasted energy — and right now, the Tennessee Valley Authority (TVA) is willing to give you $500 to fix it. Through the TVA EnergyRight® program, qualifying homeowners can receive a $500 cash rebate when they upgrad