The savings offered by the ERTEK technology could reach 30% of the total cost of a respective conventional construction. This is due to following reasons:

• It is easy to produce and assemble the elements of the structural skeleton
• The utility of the structural skeleton as infrastructure for the completion of the construction results in important saving of resources (mainly labor).
• Financial benefits occur due to the drastically reduced time of construction, as well as material management.

      Production of the structural skeleton

      According to the current situation in the Greek market (2006), the average price of structural steel is estimated in 600€ per tone, the price of concrete in 60€ per cubic meter, while the price of labor—including the social security—in 75€ for an unskilled worker and 105€ for an unskilled worker (8 hour wage). The daily hire of a 10tn and a 40tn crane is respectively estimated in 200€ and 300€. According to these values, the production cost of the ERTEK structural skeleton, including the construction of stairs, as well as the installation of pipework, is 75€ per square meter of built-up area.
      Both the time and the cost schedule of a building project is illustrated by an example case study of application of the ERTEK system. The general case of project scheduling, depending on both the project's specifications and the resources available, is given by a spreadsheet which is free to download.

      The utility of the structural skeleton as infrastructure for the completion of the construction

    The structural skeleton, functioning as infrastructure, supports the high-quality completion of the construction by saving a lot of resources. This can be achieved due to the following reasons:

• The production method of the structural skeleton eliminates possible defects which could cause indirectly, through chain effects, time or cost failure of the completion program. As a consequence, the completion of the building project (walls, floors, coatings, finishing etc) is performed easily and quickly, without the sort of things known as "unexpected difficulties" in the conventional building.
• The structural skeletonprovides the channels necessary for the routing of the electromechanical installation. This makes possible to avoid a lot of work—characteristic of the conventional building—that concerns the incorporation of such channels in the construction.
• The structural skeleton provides access to the electromechanical installation after the completion of the construction. This makes possible to avoid a lot of work—characteristic of the conventional building—associated to repairing or reposition activities.

      Consequences of the reduced time of production on the economy of the construction

      The reduction of time necessary for the construction process offers the following additional economic benefits, that concern both the buyer and the constructor:

• The effect of possible overpricing of materials on the cost of the construction is negligible.
• The cost of worksite infrastructure is significantly reduced.
• The requirement of operating capital is significantly reduced.