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 WG3S1 | Difference |
|---|---|---|---|
| No matches in measurement | - | - | - |
| Mismatch | VoltAire AT04 | Bard WG3S1 | Difference |
|---|---|---|---|
| Unit width | 17.4" | 42" | +24.6" |
| Unit height | 29.5" | 87.5" | +58" |
| Unit depth | 12.9" | 27.25" | +14.35" |
| Unit weight | 74.7 lbs | 585 lbs | +510.3 lbs |
| Supply Air | 14.38" x 9.5" | 29.88" x 9.88" | +15.5" x +0.38" |
| Return Air | 14.38" x 11" | 29.88" x 15.88" | +15.5" x +4.88" |
| Distance from the top to Supply | 1.59" | 2.99" | +1.4" |
| Distance between Supply and Return | 5.85" | 30" | +24.15" |
| Distance from Return to bottom | 1.56" | 28.75" | +27.19" |