Good practice

Heat extraction in summer leads to year-round energy savings

Heat extraction in summer leads to year-round energy savings
© Christian Delbert, #176883680, 2017, source:
Energy, Carbon
Office and administration
Medium cost
Annual saving:
Payback time:
0.5 Year(s)
Associated cost savings: Energy:
Co2 emission reduction:
2.9 tonnes of CO2
Premises and operation areas:
Office management, Office building, Production building
Size of company:
Micro (less than 10)
Advancement in applying resource efficiency measures:
One off investment:

Cool response to a heated situation

  • Channelling heat out of the printing plant saves air-conditioning costs
  • Substantial energy savings (9 MWh)
  • 2.9 tonnes less CO2 emissions, saving around € 2 040 a year

Graficas Z is a specialist printer in the Aragón region of northeastern Spain. This innovative SME is constantly looking for opportunities to reduce costs and improve production by introducing energy-saving measures.

One relatively simple measure identified was to link parts of its heating-cooling system to an extractor which channels the heat outside the plant. This alleviates ambient temperature inside the building during the hotter summer months.  

Key results

This conversion saves 9 MWh of electricity and 2.9 tonnes of CO2 emissions emanating from the plant's heat pump. Graficas Z pays around € 2 040 less in annual electricity costs thanks to the heat extraction measure. 

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