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 WH381 | VoltAire AT04 | Difference |
|---|---|---|---|
| No matches in measurement | - | - | - |
| Mismatch | Bard WH381 | VoltAire AT04 | Difference |
|---|---|---|---|
| Unit width | 42.075" | 17.4" | -24.675" |
| Unit height | 84.875" | 29.5" | -55.375" |
| Unit depth | 22.432" | 12.9" | -9.532" |
| Unit weight | 510 lbs | 74.7 lbs | -435.3 lbs |
| Supply Air | 29.88" x 9.88" | 14.38" x 9.5" | -15.5" x -0.38" |
| Return Air | 29.88" x 15.88" | 14.38" x 11" | -15.5" x -4.88" |
| Distance from the top to Supply | 2.175" | 1.59" | -0.585" |
| Distance between Supply and Return | 30" | 5.85" | -24.15" |
| Distance from Return to bottom | 26.94" | 1.56" | -25.38" |