| Dual functionality | ✓ Tilt and turn modes | ✗ Only slides vertically | ✗ Only opens outward |
| Ventilation flexibility | ✓ Secure ventilation | ✗ Limited ventilation | ✗ No secure ventilation |
| Child safety | ✓ Lockable tilt mode | ✗ Not secure for children | ✗ No child safety locks |
| Ease of cleaning | ✓ Both sides can be cleaned from inside | ✗ Difficult to clean upper sash from inside | ✗ Requires cleaning from outside |
| Energy efficiency | ✓ Superior insulation | ✗ Moderate insulation | ✗ Moderate insulation |
| Ease of operation | ✓ Open easily and quickly with 1 center handle. No more difficult lifting or sliding. | ✗ Requires effort to lift sash | ✗ Requires force to push open |
| One-handed operation | ✓ Smooth one-handed handle operation | ✗ Often requires two hands | ✗ Requires two hands in most cases |
| Funkcja | Tilt & Turn | Double-Hung | Casement |
|---|---|---|---|
| Dual functionality |
✅Tilt and turn modes
|
❌Only slides vertically
|
❌Only opens outward
|
| Ventilation flexibility |
✅Secure ventilation
|
❌Limited ventilation
|
❌No secure ventilation
|
| Child safety |
✅Lockable tilt mode
|
❌Not secure for children
|
❌No child safety locks
|
| Ease of cleaning |
✅Both sides can be cleaned from inside
|
❌Difficult to clean upper sash from inside
|
❌Requires cleaning from outside
|
| Energy efficiency |
✅Superior insulation
|
❌Moderate insulation
|
❌Moderate insulation
|
| Ease of operation |
✅Open easily and quickly with 1 center handle. No more difficult lifting or sliding.
|
❌Requires effort to lift sash
|
❌Requires force to push open
|
| One-handed operation |
✅Smooth one-handed handle operation
|
❌Often requires two hands
|
❌Requires two hands in most cases
|