Summary
Mende is a small village, located in Pest County, 35 km south-east of Budapest. Mende has 4131 inhabitants (see www.mende.hu). The self-government runs a Municipal Office, a GP consulting room, several schools and nurseries, with high energy costs. The SAVE-REMA Energy Agency carried out a detailed analysis of the energy balance of these institutions and made recommendations. Based on the recommendations, the Self-government significantly decreased the energy consumption and the energy costs. The energy audits were co-funded by a UNDP grant.
Results
For the Mende buildings, no problems were found with the contracts with the energy suppliers and the bills. The following list shows the main problems found and the recommended actions. Apart from these, we had several other comments for the energy efficiency improvement and operation of the buildings.
In the Municipal Office Building there was electric heating and electric hot water production. Installation of gas heating and hot water production is much more economical. The investment pay-back time is 5.4 years.
In the Nursery, much hot water was used and it was generated by an electric boiler. Replacing it with a gas boiler has an investment pay-back time of 2 years, due to the lower gas price per MJ. In this building the gas heating system is very outdated. Installation of a modern, closed heating system is needed, which costs about 5000 euro. The investment pay-back is 13.1 years. This investment is not very economical considering energy savings, but it is necessary due to the poor condition of the current system.
In the GP Consulting Rooms also installation of gas heating was recommended, with an investment pay-back time of 5.6 years. The roof was leaking which had bad consequences for both energy efficiency and the structure of the building. Also, there were structural problems with this building.
As a result of the audit, the electric heating of the Municipal Office Building was converted to gas heating, resulting in a reduction of energy costs by about 5000 euro per year. The saved electric energy is 77000 kWh in each year. The leaking roof of the GP Consulting Rooms was also fixed. The implementation of other recommended modifications are in progress.
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: Refurbishment of Buildings
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