Bard 30WH1
Bard W18L2
Unit depthUnit depthSupply AirReturn AirSupply AirReturn Air28"8"28"14"19.88"7.88"19.88"11.88"38.25"33.3"74"70.563"15.25"17.125"1.375"2.183"18"20.56"32.625"28.06"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 30WH1 Bard W18L2 Difference
Supply Air28" x 8"19.88" x 7.88"-8.12" x -0.12"
Mismatch Bard 30WH1 Bard W18L2 Difference
Unit width38.25"33.3"-4.95"
Unit height74"70.563"-3.437"
Unit depth15.25"17.125"+1.875"
Unit weight395 lbs325 lbs-70 lbs
Return Air28" x 14"19.88" x 11.88"-8.12" x -2.12"
Distance from the top to Supply1.375"2.183"+0.808"
Distance between Supply and Return18"20.56"+2.56"
Distance from Return to bottom32.625"28.06"-4.565"