| Subtype | Certificate Holder | Heat Pump Type | Certification Body |
|---|---|---|---|
| N2N PROLINE 13 | N2N s.r.o. | Outdoor Air/Water | BRE |
| N2N PROLINE 16 | N2N s.r.o. | Outdoor Air/Water | BRE |
| N2N PROLINE 6 | N2N s.r.o. | Outdoor Air/Water | BRE |
| N2N PROLINE 9 | N2N s.r.o. | Outdoor Air/Water | BRE |
