ECONOMIC AND FINANCIAL ANALYSIS OF THE BUILDINGS REHABILITATION SOLUTIONS

The paper includes a simplified economical and financial analysis of the buildings rehabilitation solutions, for heating and lighting. The most important economic and financial indicators analyzed and determined are: economic return on investment and payback period of investment in dynamic form, net present value, and internal rate of return economic residual value of the investment on thermal insulation, building maintenance costs, energy costs. In order to reduce the electricity consumption: the methods consisted in replacing inefficient lighting with some efficient energy and for heat consumption: the proposed solution was building rehabilitation (exterior wall insulation, floor insulation board). The analysis consists in determining the economical and financial indicators before and after the building rehabilitation. The 3 rooms apartment is located in Craiova town, (wind zone IV), 2nd floor, orientation is S.