Bard W12AB
Bard W36HY
Unit depthUnit depthSupply AirReturn AirSupply AirReturn Air17"5"17"10"27.88"7.88"27.88"13.88"30.13"38.2"48"74.563"14.63"17.125"2.25"2.123"5"17.93"25.75"32.75"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 W12AB Bard W36HY Difference
Distance from the top to Supply2.25"2.123"-0.127"
Mismatch Bard W12AB Bard W36HY Difference
Unit width30.13"38.2"+8.07"
Unit height48"74.563"+26.563"
Unit depth14.63"17.125"+2.495"
Unit weight194 lbs385 lbs+191 lbs
Supply Air17" x 5"27.88" x 7.88"+10.88" x +2.88"
Return Air17" x 10"27.88" x 13.88"+10.88" x +3.88"
Distance between Supply and Return5"17.93"+12.93"
Distance from Return to bottom25.75"32.75"+7"