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 W30HF | Difference |
|---|---|---|---|
| No matches in measurement | - | - | - |
| Mismatch | VoltAire AT04 | Bard W30HF | Difference |
|---|---|---|---|
| Unit width | 17.4" | 38.2" | +20.8" |
| Unit height | 29.5" | 74.56" | +45.06" |
| Unit depth | 12.9" | 17.13" | +4.23" |
| Unit weight | 74.7 lbs | 355 lbs | +280.3 lbs |
| Supply Air | 14.38" x 9.5" | 27.88" x 7.88" | +13.5" x -1.62" |
| Return Air | 14.38" x 11" | 27.88" x 13.88" | +13.5" x +2.88" |
| Distance from the top to Supply | 1.59" | 2.12" | +0.53" |
| Distance between Supply and Return | 5.85" | 17.93" | +12.08" |
| Distance from Return to bottom | 1.56" | 32.75" | +31.19" |