Bard W31H1
Bard MHP30A
Unit depthUnit depthSupply AirReturn AirSupply AirReturn Air27.88"7.88"27.88"13.88"28"8"28"14"38.2"32.375"70.563"74"17.125"13.625"2.123"1.375"17.93"18"28.75"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 W31H1 Bard MHP30A Difference
Supply Air27.88" x 7.88"28" x 8"+0.12" x +0.12"
Return Air27.88" x 13.88"28" x 14"+0.12" x +0.12"
Distance between Supply and Return17.93"18"+0.07"
Mismatch Bard W31H1 Bard MHP30A Difference
Unit width38.2"32.375"-5.825"
Unit height70.563"74"+3.437"
Unit depth17.125"13.625"-3.5"
Unit weight400 lbs330 lbs-70 lbs
Distance from the top to Supply2.123"1.375"-0.748"
Distance from Return to bottom28.75"32.625"+3.875"