Bard W30AB
Bard MAC30
Unit depthUnit depthSupply AirReturn AirSupply AirReturn Air27.88"7.88"27.88"13.88"27.88"7.88"27.88"13.88"38.2"32.375"74.563"74"17.125"13.625"2.123"1.615"17.93"18"32.75"32.625"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 W30AB Bard MAC30 Difference
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 between Supply and Return17.93"18"+0.07"
Distance from Return to bottom32.75"32.625"-0.125"
Mismatch Bard W30AB Bard MAC30 Difference
Unit width38.2"32.375"-5.825"
Unit height74.563"74"-0.563"
Unit depth17.125"13.625"-3.5"
Unit weight350 lbs310 lbs-40 lbs
Distance from the top to Supply2.123"1.615"-0.508"