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 W12AB | VoltAire AT12 | Difference |
|---|---|---|---|
| Distance from the top to Supply | 2.25" | 2.02" | -0.23" |
| Mismatch | Bard W12AB | VoltAire AT12 | Difference |
|---|---|---|---|
| Unit width | 30.13" | 16.39" | -13.74" |
| Unit height | 48" | 43.99" | -4.01" |
| Unit depth | 14.63" | 12.3" | -2.33" |
| Unit weight | 194 lbs | 94.6 lbs | -99.4 lbs |
| Supply Air | 17" x 5" | 13.5" x 11.75" | -3.5" x +6.75" |
| Return Air | 17" x 10" | 13.5" x 16.62" | -3.5" x +6.62" |
| Distance between Supply and Return | 5" | 11.6" | +6.6" |
| Distance from Return to bottom | 25.75" | 2" | -23.75" |