Project Description

Operation optimization and fundamental upgrading of the central building air conditioning system is summarized as follows:

• New main HVAC piping routing.

• Complete installation on the roof of the building of two new air cooled heat pump chillers of high performance (type Partial Heat Recovery), replacing the old chillers (refrigerant R-22).

The new cooling ensured:

• smooth operating and improved indoor conditions

• simultaneous cooling and heating,

• hot water production through heat recovery

• reduced maintenance requirements and costs

cooling and heating energy cost savings of more than 35%.

Namely, the replacement of the old chillers with simultaneous appropriate re-adjustment of cooling and heating water distribution, led to optimum operating result with significant energy cost savings.

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