Private property owners in San Francisco can now finance energy/water efficiency and renewable energy improvements through homes and businesses through the GreenFinanceSF program.
If the property owner is approved for financing, the city will issue payment for the upfront cost of the project, plus interest through a voluntary special tax for the life of the financed improvements (up to 20 years). If the property is sold, both the property improvements and the remaining debt stay with the property and are passed on to the new owner. So make sure you disclose any unpaid “green” debts when you eventually sell your property.
Check out the program, it’s great for things like replacing windows and upgrading heating systems.