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 AN04 | Bard W18H2 | Difference |
|---|---|---|---|
| Distance from the top to Supply | 1.94" | 2.183" | +0.243" |
| Mismatch | VoltAire AN04 | Bard W18H2 | Difference |
|---|---|---|---|
| Unit width | 14.13" | 33.3" | +19.17" |
| Unit height | 30" | 70.563" | +40.563" |
| Unit depth | 12.3" | 17.125" | +4.825" |
| Unit weight | 65.6 lbs | 360 lbs | +294.4 lbs |
| Supply Air | 11.54" x 11.8" | 19.88" x 7.88" | +8.34" x -3.92" |
| Return Air | 11.54" x 6.59" | 19.88" x 11.88" | +8.34" x +5.29" |
| Distance between Supply and Return | 7.65" | 20.56" | +12.91" |
| Distance from Return to bottom | 2.02" | 28.06" | +26.04" |