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 AT10 | Bard WH181 | Difference |
|---|---|---|---|
| Distance from the top to Supply | 2.02" | 2" | -0.02" |
| Mismatch | VoltAire AT10 | Bard WH181 | Difference |
|---|---|---|---|
| Unit width | 16.39" | 32.875" | +16.485" |
| Unit height | 43.99" | 70.5" | +26.51" |
| Unit depth | 12.3" | 16.875" | +4.575" |
| Unit weight | 94.6 lbs | 300 lbs | +205.4 lbs |
| Supply Air | 13.5" x 11.75" | 19.875" x 7.875" | +6.375" x -3.875" |
| Return Air | 13.5" x 16.62" | 19.875" x 11.875" | +6.375" x -4.745" |
| Distance between Supply and Return | 11.6" | 20.75" | +9.15" |
| Distance from Return to bottom | 2" | 28" | +26" |