DESPITE THE FACT THAT A WIDE RANGE OF TECHNOLOGICAL PRODUCTS AND FINANCIAL SERVICES FOR THE ENERGY RENOVATION OF RESIDENTIAL BUILDINGS EXIST, THE MARKET FOR ENERGY RENOVATIONS HAS NOT YET MET EXPECTATIONS. AT THE END OF THE LETTER, THE COSTS OF THE WORK, WHICH BECOMES UNCERTAIN AS TO THE PERIOD OF RETURN OF THE INVESTMENT AND THE DIFFICULTIES OF THE TERMINATION OF THE SERVICE AS A RESULT OF THIS CHANGE, WILL BEAR THE COSTS OF THE INVESTMENT. IN VIEW OF THIS, IT IS NECESSARY TO DEFINE NEW MARKET CONDITIONS IN ORDER TO ENCOURAGE: (A) THE CONSTRUCTION, FINANCE AND BANKING SECTOR TO WORK TOGETHER TO DEVELOP HIGH-QUALITY INTEGRATED PRODUCTS AND SERVICES, (B) THE USERS TO TAKE APPROPRIATE ACTION IN RESPONSE TO A REORGANISATION, (C) THE PUBLIC SECTOR TO OPTIMISE ECONOMIC RESOURCES TO PROMOTE THE REHABILITATION OF MORE BUILDINGS. THE AIM OF THE KLIMAKIT PROJECT IS TO DEVELOP (A) THE SUITABLE TOOLS THAT WILL BE BUILT ON © DESIGNERS, I