| Width (mm) | 730 |
| Depth (mm) | 730 |
| Height (mm) | 1640 |
| Weight (kg) | 1200 |
| Firebox (mm) | 400 x 400 |
| Firebox door (mm) | 740/300 x 410 |
| Flue | Rear flue outlet 1/2, top flue outlet 150 mm |


Wilma Air, among the first stoves combining masonry and convection features, rapidly produces heat blowing air up to 150°C. Its 1200 kg mass retains heat long-term, with 25% of the maximum temperature remaining after 30 hours.