Bard 20WA
Bard W18H2
Unit depthUnit depthSupply AirReturn AirSupply AirReturn Air20"8"20"12"19.88"7.88"19.88"11.88"32.25"33.3"67.5"70.563"13.5"17.125"1.375"2.183"20.5"20.56"25.625"28.06"Supply AirReturn AirSupply AirReturn Air
OPENING MATCH

Your openings match up but double check the cabinet surroundings. Over time equipment coils have gotten larger for better efficiency and cabinet dimensions have changed.

Match Bard 20WA Bard W18H2 Difference
Supply Air20" x 8"19.88" x 7.88"-0.12" x -0.12"
Return Air20" x 12"19.88" x 11.88"-0.12" x -0.12"
Distance between Supply and Return20.5"20.56"+0.06"
Mismatch Bard 20WA Bard W18H2 Difference
Unit width32.25"33.3"+1.05"
Unit height67.5"70.563"+3.063"
Unit depth13.5"17.125"+3.625"
Unit weight315 lbs360 lbs+45 lbs
Distance from the top to Supply1.375"2.183"+0.808"
Distance from Return to bottom25.625"28.06"+2.435"