Mosaic is a specialized lending company that offers loans to homeowners through their network of solar installers and contractors across the country. According to GTM Research, Mosaic is the largest specialized solar loan provider in the country.Click to see full answer. Hereof, how much is a solar loan?Solar Financing. Purchasing a system can cost anywhere between $15,000 and $29,000. But there are solar panel financing options available to make solar energy more affordable for homeowners.Secondly, how does a solar loan work? Solar loans are loans issued expressly for putting solar panels on a house. They have a principal amount, an annual interest rate, monthly payment requirements, and a payback period, just like any other loan. For example, you might see a $20,000 solar loan with a 4.5% interest rate, and a fifteen-year payback period. Similarly one may ask, can I refinance a solar loan? You can use the FHA 203(k) Program to refinance your current mortgage plus your solar company loan. The higher the LTV ratio used by the lender, the higher your maximum mortgage amount. FHA 203(k) mortgages are provided by approved lenders such as banks, mortgage brokers and credit unions.How long is a solar loan?Unsecured solar energy loan terms can run from 5 to 20 years. Loans with longer terms have lower monthly payments so you can start saving right away, but you may end up paying more interest over the course of the loan.