Bard W36G4
Bard 30WH6
Unit depthUnit depthSupply AirReturn AirSupply AirReturn Air27.88"7.88"27.88"13.88"27.875"7.875"27.875"13.875"38"38"81.63"74"24.25"16.5"2.37"1.375"30"18"27.5"32.875"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 W36G4 Bard 30WH6 Difference
Unit width38"38"0"
Supply Air27.88" x 7.88"27.875" x 7.875"-0.005" x -0.005"
Return Air27.88" x 13.88"27.875" x 13.875"-0.005" x -0.005"
Mismatch Bard W36G4 Bard 30WH6 Difference
Unit height81.63"74"-7.63"
Unit depth24.25"16.5"-7.75"
Unit weight530 lbs325 lbs-205 lbs
Distance from the top to Supply2.37"1.375"-0.995"
Distance between Supply and Return30"18"-12"
Distance from Return to bottom27.5"32.875"+5.375"