1. Passive Solar: Direct and Indirect Gain AR 832 Joseph F. Kennedy

2. Direct Gain Indirect Gain Types of passive heating systems

3. Direct gain Simplest system Actual occupied space is heated Very efficient – even in cloudy climates

4. Direct gain Direct gain designs require carefully crafted sections & plans

5. Direct gain Just as in daylighting, diffusing glazing can sometimes be useful

6. Direct gain Plans & sections can follow sun angles

7. Direct gain The same can be done with fenestration detailing

8. Direct gain Maxamillian’s restaurant Albuquerque, New Mexico

9. Direct gain Maxamillian’s restaurant Albuquerque, New Mexico

10. Direct gain Schiff house Wyoming

11. Direct gain Schiff house Wyoming

12. Direct gain Karen Terry house Santa Fe, New Mexico

13. Direct gain – sample space organizations

14. Indirect gain Two basic systems: Thermal storage walls Sun spaces Roof ponds The main difference is their location Other systems: Isolated gain Hybrid passive/mechanical

15. Indirect gain Thermal storage wall – masonry

16. Indirect gain Thermal storage wall – masonry

17. Indirect gain Thermal storage wall – masonry Trombe house Odeillo, France

18. Indirect gain Thermal storage wall – masonry Kelbaugh house Princeton, New Jersey

19. Indirect gain Thermal storage wall – water

20. Indirect gain Thermal storage wall – water Steve Baer house

21. Indirect gain Sun spaces

22. Indirect gain Attached greenhouse (or any other highly glazed space)

23. Indirect gain Roof pool

24. Indirect gain Roof pool Skytherm System Atascadero, California

25. Indirect gain Isolated gain

26. Indirect gain Hybrid systems