Bard W30AA
Bard W36G3
Unit depthUnit depthSupply AirReturn AirSupply AirReturn Air27.88"7.88"27.88"13.88"27.88"7.88"27.88"13.88"38.2"38"74.563"81.63"17.125"24.25"2.123"2.37"17.93"30"32.75"27.5"Supply AirReturn AirSupply AirReturn Air
MISMATCH

These units don’t appear to have much in common. If you’re replacing one with the other, you’ll need to make some modifications to wall, unit or something in between with a plate or adapter curb.

Match Bard W30AA Bard W36G3 Difference
Unit width38.2"38"-0.2"
Supply Air27.88" x 7.88"27.88" x 7.88"0"
Return Air27.88" x 13.88"27.88" x 13.88"0"
Distance from the top to Supply2.123"2.37"+0.247"
Mismatch Bard W30AA Bard W36G3 Difference
Unit height74.563"81.63"+7.067"
Unit depth17.125"24.25"+7.125"
Unit weight350 lbs530 lbs+180 lbs
Distance between Supply and Return17.93"30"+12.07"
Distance from Return to bottom32.75"27.5"-5.25"