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 30WH1 | Difference |
|---|---|---|---|
| No matches in measurement | - | - | - |
| Mismatch | VoltAire AT19 | Bard 30WH1 | Difference |
|---|---|---|---|
| Unit width | 21.62" | 38.25" | +16.63" |
| Unit height | 53.03" | 74" | +20.97" |
| Unit depth | 17" | 15.25" | -1.75" |
| Unit weight | 200 lbs | 395 lbs | +195 lbs |
| Supply Air | 19.01" x 8.81" | 28" x 8" | +8.99" x -0.81" |
| Return Air | 17.25" x 33.81" | 28" x 14" | +10.75" x -19.81" |
| Distance from the top to Supply | 1.84" | 1.375" | -0.465" |
| Distance between Supply and Return | 0" | 18" | +18" |
| Distance from Return to bottom | 8.57" | 32.625" | +24.055" |