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 | Bard 24WH4 | VoltAire AT19 | Difference |
|---|---|---|---|
| No matches in measurement | - | - | - |
| Mismatch | Bard 24WH4 | VoltAire AT19 | Difference |
|---|---|---|---|
| Unit width | 32.25" | 21.62" | -10.63" |
| Unit height | 69.375" | 53.03" | -16.345" |
| Unit depth | 13.5" | 17" | +3.5" |
| Unit weight | 325 lbs | 200 lbs | -125 lbs |
| Supply Air | 20" x 8" | 19.01" x 8.81" | -0.99" x +0.81" |
| Return Air | 20" x 12" | 17.25" x 33.81" | -2.75" x +21.81" |
| Distance from the top to Supply | 1.375" | 1.84" | +0.465" |
| Distance between Supply and Return | 20.5" | 0" | -20.5" |
| Distance from Return to bottom | 27.5" | 8.57" | -18.93" |