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 | Marvair HVEA24 | Bard W24AB | Difference |
|---|---|---|---|
| Supply Air | 28" x 8" | 19.88" x 7.88" | -8.12" x -0.12" |
| Mismatch | Marvair HVEA24 | Bard W24AB | Difference |
|---|---|---|---|
| Unit width | 42.05" | 33.3" | -8.75" |
| Unit height | 70.59" | 74.563" | +3.973" |
| Unit depth | 17.45" | 17.125" | -0.325" |
| Unit weight | 445 lbs | 340 lbs | -105 lbs |
| Return Air | 28" x 14" | 19.88" x 11.88" | -8.12" x -2.12" |
| Distance from the top to Supply | 1.88" | 2.183" | +0.303" |
| Distance between Supply and Return | 17.93" | 20.56" | +2.63" |
| Distance from Return to bottom | 28.78" | 32.06" | +3.28" |