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 AT04 | Bard 48WH6 | Difference |
|---|---|---|---|
| Distance from the top to Supply | 1.59" | 1.375" | -0.215" |
| Mismatch | VoltAire AT04 | Bard 48WH6 | Difference |
|---|---|---|---|
| Unit width | 17.4" | 42" | +24.6" |
| Unit height | 29.5" | 84" | +54.5" |
| Unit depth | 12.9" | 22" | +9.1" |
| Unit weight | 74.7 lbs | 530 lbs | +455.3 lbs |
| Supply Air | 14.38" x 9.5" | 30" x 10" | +15.62" x +0.5" |
| Return Air | 14.38" x 11" | 30" x 16" | +15.62" x +5" |
| Distance between Supply and Return | 5.85" | 30" | +24.15" |
| Distance from Return to bottom | 1.56" | 26.625" | +25.065" |