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 AT12 | Marvair HVPA24HP | Difference |
|---|---|---|---|
| Distance from the top to Supply | 2.02" | 2" | -0.02" |
| Mismatch | VoltAire AT12 | Marvair HVPA24HP | Difference |
|---|---|---|---|
| Unit width | 16.39" | 47.875" | +31.485" |
| Unit height | 43.99" | 70.625" | +26.635" |
| Unit depth | 12.3" | 17.125" | +4.825" |
| Unit weight | 94.6 lbs | 420 lbs | +325.4 lbs |
| Supply Air | 13.5" x 11.75" | 28" x 8" | +14.5" x -3.75" |
| Return Air | 13.5" x 16.62" | 28" x 14" | +14.5" x -2.62" |
| Distance between Supply and Return | 11.6" | 17.875" | +6.275" |
| Distance from Return to bottom | 2" | 28.75" | +26.75" |