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 | VoltAire AT19 | Bard WH184 | Difference |
|---|---|---|---|
| Unit depth | 17" | 17.125" | +0.125" |
| Mismatch | VoltAire AT19 | Bard WH184 | Difference |
|---|---|---|---|
| Unit width | 21.62" | 33.3" | +11.68" |
| Unit height | 53.03" | 70.563" | +17.533" |
| Unit weight | 200 lbs | 300 lbs | +100 lbs |
| Supply Air | 19.01" x 8.81" | 19.88" x 7.88" | +0.87" x -0.93" |
| Return Air | 17.25" x 33.81" | 19.88" x 11.88" | +2.63" x -21.93" |
| Distance from the top to Supply | 1.84" | 2.183" | +0.343" |
| Distance between Supply and Return | 0" | 20.56" | +20.56" |
| Distance from Return to bottom | 8.57" | 28.06" | +19.49" |