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Ireland’s first low-carbon district heating network employs Honeywell Solstice Ze Refrigerant

By District Energy posted 07-22-2025 15:53

  

India Blooms

Summary

Honeywell on Wednesday announced that Ireland’s first low-carbon district heating network located in Tallaght, Dublin, is using a heat pump with its energy efficient, ultra-low-global-warming-potential (GWP) hydrofluoroolefin (HFO) Solstice® ze (R-1234ze) refrigerant.
 
The project is now operational and will support Ireland’s 2030 and 2050 renewable energy targets, as well as the European Union’s decarbonization initiatives including REPowerEU, the company said in a press release.
 
The heat network, which is fully owned and operated by Heatworks, Ireland’s first public not-for-profit energy company, was developed through a collaboration between South Dublin County Council, Finnish energy company Fortum and Dublin’s Energy Agency Codema.
 
The system utilizes waste heat from a nearby Amazon Web Services data center, free of cost, to provide low-carbon heating to commercial and residential customers.

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