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 W24AB | VoltAire AT19 | Difference |
|---|---|---|---|
| Unit depth | 17.125" | 17" | -0.125" |
| Mismatch | Bard W24AB | VoltAire AT19 | Difference |
|---|---|---|---|
| Unit width | 33.3" | 21.62" | -11.68" |
| Unit height | 74.563" | 53.03" | -21.533" |
| Unit weight | 340 lbs | 200 lbs | -140 lbs |
| Supply Air | 19.88" x 7.88" | 19.01" x 8.81" | -0.87" x +0.93" |
| Return Air | 19.88" x 11.88" | 17.25" x 33.81" | -2.63" x +21.93" |
| Distance from the top to Supply | 2.183" | 1.84" | -0.343" |
| Distance between Supply and Return | 20.56" | 0" | -20.56" |
| Distance from Return to bottom | 32.06" | 8.57" | -23.49" |