Your openings match up but double check the cabinet surroundings. Over time equipment coils have gotten larger for better efficiency and cabinet dimensions have changed.
| Match | Bard 18WH2 | Bard 20WA4 | Difference |
|---|---|---|---|
| Unit width | 32.25" | 32.375" | +0.125" |
| Unit height | 69.375" | 69.375" | 0" |
| Supply Air | 20" x 8" | 19.875" x 7.875" | -0.125" x -0.125" |
| Return Air | 20" x 12" | 19.875" x 11.875" | -0.125" x -0.125" |
| Distance from the top to Supply | 1.375" | 1.625" | +0.25" |
| Distance between Supply and Return | 20.5" | 20.5" | 0" |
| Distance from Return to bottom | 27.5" | 27.5" | 0" |
| Mismatch | Bard 18WH2 | Bard 20WA4 | Difference |
|---|---|---|---|
| Unit depth | 13.5" | 14.625" | +1.125" |
| Unit weight | 315 lbs | 280 lbs | -35 lbs |