| 1. Double-circuit fan heater | String | X | |||
| 2. Inlet pipe diameter, inch | String | ↑ | X | ||
| 3. Outlet diameter, inch | String | ↑ | X | ||
| 4. Max. motor speed | String | ↑ | X | ||
| 5. Maximum pressure in the water supply | String | ↑ | X | ||
| 6. Heat exchanger volume | String | ↑ | X | ||
| 7. Water consumption | String | ↑ | X |
| 1. Height with mount | String | X | |||
| 2. Depth with fixing | String | ↑ | X | ||
| 3. Width with mount | String | ↑ | X |
| 1. Max. vertical air flow length | String | X | |||
| 2. Max. horizontal air flow length | String | ↑ | X | ||
| 3. Maximum increase in air temperature | String | ↑ | X |
| 1. Overheat protection | String | X | |||
| 2. Electrical protection class | String | ↑ | X | ||
| 3. Fan speed control | String | ↑ | X | ||
| 4. Mode without heating | String | ↑ | X | ||
| 5. Cooling mode | String | ↑ | X | ||
| 6. Thermostat | String | ↑ | X |
| 1. Heat output at 105°C inlet and 70°C outlet | String | X | |||
| 2. Heat output at 130°C inlet and 70°C outlet | String | ↑ | X | ||
| 3. Heat output at 150°C inlet and 70°C outlet | String | ↑ | X | ||
| 4. Heat output at 60°C inlet and 40°C outlet | String | ↑ | X | ||
| 5. Heat output at 70°C inlet and 50°C outlet | String | ↑ | X | ||
| 6. Heat output at 80°C inlet and 60°C outlet | String | ↑ | X | ||
| 7. Heat output at 95°C inlet and 70°C outlet | String | ↑ | X |
| 1. Rectangular duct height | String | X | |||
| 2. Corrugated duct | String | ↑ | X | ||
| 3. Duct material | String | ↑ | X | ||
| 4. Thermal insulation | String | ↑ | X | ||
| 5. Channel type | String | ↑ | X | ||
| 6. Thermal insulation thickness | String | ↑ | X | ||
| 7. Rectangular duct width | String | ↑ | X |
| 1. Anti-vibration system | String | X | |||
| 2. Electric cord length | String | ↑ | X | ||
| 3. Number of engine cycles | String | ↑ | X | ||
| 4. Maximum air speed | String | ↑ | X | ||
| 5. Max Airflow | String | ↑ | X | ||
| 6. Garbage bin | String | ↑ | X | ||
| 7. Oil tank volume | String | ↑ | X | ||
| 8. Waste bin volume | String | ↑ | X | ||
| 9. Fuel consumption | String | ↑ | X | ||
| 10. Transport method | String | ↑ | X | ||
| 11. Fuel type | String | ↑ | X |
| 1. Type of carving at the entrance | String | X | |||
| 2. Thread diameter at the entrance, mm | String | ↑ | X | ||
| 3. Body length | String | ↑ | X | ||
| 4. The principle of operation of the air vent | String | ↑ | X | ||
| 5. Air performance | String | ↑ | X | ||
| 6. Exhaust valve location | String | ↑ | X | ||
| 7. Conditional passage at the entrance | String | ↑ | X | ||
| 8. Conditional passage at the exit | String | ↑ | X |