Weatherization Assistant Update (Version 8.3) Michael Gettings Oak Ridge National Laboratory
Platform Requirements Dropped support for Windows 95 and 98 Added conditional Vista support –Only NEAT operates under Vista ( ) –Help utility requires additional download from Microsoft –Have limited history of operation on Vista machines
NEAT Version 8.3 Changes Adds specification of wall stud depth
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
NEAT Version 8.3 Changes Reformatted Foundations data input form
NEAT Version 8.3 Changes Extended user-defined insulation types
NEAT Version 8.3 Changes Adds fuel switching for fossil fueled heating equipment
NEAT Version 8.3 Changes Evaluates replacing electric heating systems –With other electric resistance heaters –With heat pumps
NEAT Version 8.3 Changes Evaluates installation of heat pump with no existing AC
NEAT Version 8.3 Changes Evaluates installation of heat pump replacing existing window ACs
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
MHEA Version 8.3 Changes Considers window descriptions individually for retrofit recommendations Adds window sealing (“Weatherize”) measure Adds “Retrofit Option” field to window form
MHEA Version 8.3 Changes
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
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
8.3 Changes in NEAT & MHEA
Provide “Additional Cost” fields for each window retrofit option
8.3 Changes in NEAT & MHEA Allows viewing adjusted refrigerator consumption estimate without evaluating replacement
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