Data source
| Parameter | Annual energy (heating) |
| Value | 1260katalog |
| Note | Heiko single-split; xlsx cennik + EPREL ErP |
Source of this value
HEIKOPrice list
Cennik Heiko (xlsx)
| Parameter | Annual energy (heating) |
| Value | 1260katalog |
| Note | Heiko single-split; xlsx cennik + EPREL ErP |