# Johnson Controls to supply heat pump heat to Hamburg district heating network

Johnson Controls will install four 15 MW heat pumps at Hamburg's Dradenau wastewater treatment site to feed fossil-free heat into Hamburg Energie's district heating network from 2025, saving about 66,000 tons of CO2 a year.

- Type: Contract
- Announced: 2023-09-25
- Where: Hamburg, Germany
- Status: announced
- Capacity: Four 15 MW heat pumps supplying more than 39,000 residential units
- Products: large-scale heat pumps
- Sectors: [HVAC and Industrial Refrigeration](https://endata.com/sectors/hvac-refrigeration.md), [Power Generation Equipment](https://endata.com/sectors/power-generation-equipment.md)

## Companies

- [Johnson Controls](https://endata.com/companies/5744.md)
- [HAMBURG WASSER](https://endata.com/companies/10579.md) (partner)
- [Hamburg Energiewerke](https://endata.com/companies/11040.md) (partner)

## Sources

- [coolingindia.in](https://www.coolingindia.in/johnson-controls-to-supply-climate-friendly-heat-to-the-city-of-hamburg/), 2023-09-25: "Johnson Controls will equip the Dradenau site of Hamburg's central wastewater treatment plant with a new heat pump system that will save around 66,000 tons of CO 2 annually."

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.