Renewable energy sources are becoming an increasingly preferred option for achieving heating, cooling and hot water in various types of buildings. The resources of nature that are always at our disposal, such as the sun, are the optimal solution that protects the environment and low costs for consumers. Installing an independent solar system is undoubtedly a cost that is guaranteed to be recouped. It ensures the independence of its users, the accounts of state-owned companies are abolished. In the advantages of this system the sparing of nature for a better future on earth occupies a central place. If you have decided to invest in the construction of an independent solar installation and do not have the necessary amount for it, you have the option to take advantage of a mortgage loan. It will provide the amount you need to invest in something profitable for your home or business building. A good offer is the grace period of three months, which you have as an opportunity to repay the installments. In it you owe only the interest and you do not pay the amounts on the loan principal. This provides a quiet period in taking the step towards installing an independent solar system.