Bard W30L1
Marvair HVEA24
Unit depthUnit depthSupply AirReturn AirSupply AirReturn Air27.88"7.88"27.88"13.88"28"8"28"14"38.2"42.05"70.563"70.59"17.125"17.45"2.123"1.88"17.93"17.93"28.75"28.78"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 W30L1 Marvair HVEA24 Difference
Unit height70.563"70.59"+0.027"
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 from the top to Supply2.123"1.88"-0.243"
Distance between Supply and Return17.93"17.93"0"
Distance from Return to bottom28.75"28.78"+0.03"
Mismatch Bard W30L1 Marvair HVEA24 Difference
Unit width38.2"42.05"+3.85"
Unit depth17.125"17.45"+0.325"
Unit weight375 lbs445 lbs+70 lbs