1. Enerk Design Software for HVAC Enerk A.H.C. van Paassen and T.P. van der Stelt Mei 2003

2. Enerk The program must be recognizable for the designer, i.e. he must have the possibility to indicate his wishes in a Mollier-diagram The program must be useful in early development stages The program must be clear and educationally justified Objective of the program

3. Enerk Program structure Comfort and heating and cooling load calculation Statistical processing - Climate system - Air handling - Energy consumption Comfort and heating and cooling load calculation

4. Input room and wall data Enerk Comfort and heating and cooling load calculation

5. Input room and wall data Enerk

6. Input room and wall data Input room shading data Comfort and heating and cooling load calculation

7. Enerk Input room shading data

8. Enerk Input room and wall data Comfort and heating and cooling load calculation Input room shading data Input room use data

9. Enerk

10. Input room and wall data Comfort and heating and cooling load calculation Input room shading data Input room use data Climate data according short reference year, reference year 64-65, or any other user data

11. Enerk Input room and wall data Day results Comfort and heating and cooling load calculation Input room shading data Input room use data Climate data according short reference year, reference year 64-65, or any other user data

12. Day results Enerk

13. Input room and wall data Day results Comfort data Comfort and heating and cooling load calculation Input room shading data Input room use data Climate data according short reference year, reference year 64-65, or any other user data

14. Comfort data Enerk

15. Input room and wall data Day results Comfort data Comfort and heating and cooling load calculation Input room shading data Input room use data Climate data according short reference year, reference year 64-65, or any other user data Year results

16. Enerk

17. Input room and wall data Day results Comfort data Comfort and heating and cooling load calculation Input room shading data Input room use data Climate data according short reference year, reference year 64-65, or any other user data Solar energy Year results

18. Enerk

19. Program structure Comfort and heating and cooling load calculation Statistical processing - Climate system - Air handling - Energy consumption Statistical processing

20. Enerk Mollier - diagram sector data Hourly data of heating and cooling load Output for each sector: Average in- and outside temperature and humidity Average heating and cooling load Q +,Q – Frequency of occurrence P +, P – Statistical processing

21. Enerk Program structure Comfort and heating and cooling load calculation Statistical processing - Climate system - Air handling - Energy consumption - Climate system - Air handling - Energy consumption

22. Enerk Design with Enerk Climate system Air handling and control strategy Total energy consumption Climate system

23. Enerk Climate system

24. Enerk Design with Enerk Climate system Air handling and control strategy Total energy consumption Air handling and control strategy

25. Enerk Design control strategy in Mollier-diagram Add controls until supply air or other desired conditions have been met for all situations Control steps visible in diagram Energy use is displayed

26. Enerk Design with Enerk Climate system Air handling and control strategy Total energy consumption

27. Enerk Total energy use

28. Enerk Costs

29. Enerk Four different situations