A short presentation that gives a unique insight into the rapidly evolving technology of heat pumps as they are become more environmentally friendly by using natural refrigerants and are designed to be applied to more novel applications such as desalination and district cooling.

1. DISTRICT HEATING and DISTRICT COOLING / DESALINATION USING AMMONIA HEATPUMPS David Pearson Director of Innovation Star Refrigeration Stephen Appleton Associate Director Ramboll

2. Introduction Introduction Low carbon heating and cooling

4. Introduction Introduction 90˚C Ammonia Heatpump Low carbon heating and cooling

5. 90 ˚C Ammonia Heatpump Typical selection 10Bar Diff 90 °C System 24Bar Diff

7. Introduction 90˚C Ammonia Heatpump Introduction 90˚C Ammonia Heatpump Applications for Neatpumps Low carbon heating and cooling

9. Applications for Neatpumps

10. Introduction Introduction 90˚C Ammonia Heatpump Applications for Neatpumps 90˚C Ammonia Heatpump Applications for Neatpumps District Heating Low carbon heating and cooling

11. 90 ˚C Ammonia Heatpump Interstage @ 58C HOR = 14.05MW R eff = 9.61MW COPh = 3.16

12. 90 ˚C Ammonia Heatpump Interstage @ 58C HOR = 14.05MW R eff = 9.61MW COPh = 3.16

13. District heating The World’s Largest Natural District Heat Pump –Drammen, Norway 2011

16. 90˚C Ammonia Heatpump 90˚C Ammonia Heatpump Introduction Applications for Neatpumps District Heating Applications for Neatpumps District Heating Introduction District Cooling / Desalination Low carbon heating and cooling

18. District Cooling and Desalination

20. District Cooling and Desalination