Improving the energy efficiency of buildings and plants

SCHOOL CENTER in Sjenica, Technical School

Author of improving EE: Nenad Pesic
Object: School center in Sjenica, Technical School
Location: Sjenica
Realization: 2014.


Postojeće stanje objekta

  • Required energy for heating before reconstruction = 698,635.78 kWh / a
  • Required energy for heating after reconstruction = 72,806.87 kWh / a
  • Annual energy savings for heating: ................. = 625,828.91 kWh / a
  • Annual energy savings for air conditioning: ........... = 130,000.00 kWh / a
  • Annual profit from energy savings in heating.... = 25,552.59 EUR / a
  • Investment in the energy efficiency improvement....... = 139,478.65 euros

  • Net usable area: 1842.47 m2
  • Implemented solution: Good insulation, replacement joinery, reheating with boiler coal.
  • Additional investment: 12.00%
  • Period of return on additional investment: 6.00 years.

Detailed description of project

  • The subject of analysis is the School center in Sjenica.
  • With analysis are covered: Gimnasium with the gym - 2056,35 m2, Technical school - 2104,77 m2 and  the workshops - 1377,80 m2.
  • Total area of the analyzed objects is 5,538.92 m2.
  • The analysis of energy efficiency of the existing situation.
  • Analyzed the rehabilitation and improvement of energy efficiency.
  • Projected state after the implementation of energy efficiency measures proposed energy rehabilitation.
  • Performed a comparative economic analysis of profitability and payback period of the investment in improving energy efficiency.
  • For the analyzed objects heat demand 2,459,953.01 kWh for the current situation.
  • Implementation of measures to improve energy efficiency needs are reduced to 374,415.62 kWh of thermal energy.
  • The realized savings is 2,085,537.39 kWh of thermal energy,
  • Reduced energy consumption and CO2 emissions is 84%.
  • Participation of renewable energy for heating 100% biomass.

Provided Services

  • Displaying the current condition of the buildings, which are in very poor condition.
  • Represented measures of improvement energy efficiency by objects.
  • Executed a presentation of the proposed solutions.
  • Given an analysis of the potential energy that is obtained energy rehabilitation measures.
  • Explained in detail the effects of investment in the improvement and advancement of energy efficiency.

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