1. Weatherization Assistant Update (Version 8.3) Michael Gettings Oak Ridge National Laboratory

2. Platform Requirements  Dropped support for Windows 95 and 98  Added conditional Vista support –Only NEAT operates under Vista (8.3.3.5) –Help utility requires additional download from Microsoft –Have limited history of operation on Vista machines

3. NEAT Version 8.3 Changes  Adds specification of wall stud depth

4. NEAT Version 8.3 Changes  Evaluates insulating wall cavities with existing batt, blanket, or board insulation  Adds R-49 attic and R-38 floor insulation measures  Adds specification of floor joist depth

5. NEAT Version 8.3 Changes  Reformatted Foundations data input form

6. NEAT Version 8.3 Changes  Extended user-defined insulation types

7. NEAT Version 8.3 Changes  Adds fuel switching for fossil fueled heating equipment

8. NEAT Version 8.3 Changes  Evaluates replacing electric heating systems –With other electric resistance heaters –With heat pumps

9. NEAT Version 8.3 Changes  Evaluates installation of heat pump with no existing AC

10. NEAT Version 8.3 Changes  Evaluates installation of heat pump replacing existing window ACs

11. NEAT Version 8.3 Changes  Treats kerosene heating systems the same as oil systems  Allows space heater replacement to eliminate secondary heating systems  Fixes bug associated with replacing space heaters

12. MHEA Version 8.3 Changes  Considers window descriptions individually for retrofit recommendations  Adds window sealing (“Weatherize”) measure  Adds “Retrofit Option” field to window form

13. MHEA Version 8.3 Changes

14.  Modifies heating system tune-up measure, decreasing efficiency increase as existing efficiency increases (similar to NEAT)  Provides separate costing of measures applied to mobile home and addition

15. 8.3 Changes in NEAT & MHEA  The “Assigned To” field on the Audit Information tab is no longer required  Drop-downs with only one possible selection are automatically filled in  When creating a new blank audit, the Client ID is no longer filled in by default

16. 8.3 Changes in NEAT & MHEA

17.  Provide “Additional Cost” fields for each window retrofit option

18. 8.3 Changes in NEAT & MHEA  Allows viewing adjusted refrigerator consumption estimate without evaluating replacement

19. WA General Changes  Application opens with window sized for 1024x768 resolution  Data sheet views are no longer persistent  Increased number of reports with alternate data sheet view for exporting results to spread sheet