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 W30HY | VoltAire AN04 | Difference |
|---|---|---|---|
| Distance from the top to Supply | 2.123" | 1.94" | -0.183" |
| Mismatch | Bard W30HY | VoltAire AN04 | Difference |
|---|---|---|---|
| Unit width | 38.2" | 14.13" | -24.07" |
| Unit height | 74.563" | 30" | -44.563" |
| Unit depth | 17.125" | 12.3" | -4.825" |
| Unit weight | 355 lbs | 65.6 lbs | -289.4 lbs |
| Supply Air | 27.88" x 7.88" | 11.54" x 11.8" | -16.34" x +3.92" |
| Return Air | 27.88" x 13.88" | 11.54" x 6.59" | -16.34" x -7.29" |
| Distance between Supply and Return | 17.93" | 7.65" | -10.28" |
| Distance from Return to bottom | 32.75" | 2.02" | -30.73" |