Home Upgrade is an Energy Upgrade California® program specifically for Bay Area homeowners and implemented by local county governments. Home Upgrade helps you identify ways to strengthen your home’s energy efficiency. You’ll learn how heating, air conditioning, insulation, water, and other systems can all work together to effectively reduce energy consumption and reduce energy costs. Rebates and incentives are available for home improvements that include air sealing; duct sealing; attic insulation; high-efficiency furnaces, cooling systems, and water systems; wall insulation; and more.