Changes in A901 1.22 (rel. to 1.21)
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+ New area definition added "ASHRAE 90.1 gross area"
+ New resource names for walls below grade (now designated with their C-Factor).
+ New energy meter "Fans-kitchen ventilation" 

Fixed bugs
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+ Fixed a bug in the glass construction in roofs
+ Removed reference to a missing variable in plant
+ Using face area when reducing sizes of windows and skylights
+ Minor fixes in system 9 and 10
+ Minor fixes in the report and manual