| Subtype | Certificate Holder | Heat Pump Type | Certification Body |
|---|---|---|---|
| HP60 - 11/13 ; Assure HP55 - 11/13 | BAXI Heating UK Limited | Outdoor Air/Water | ICIM S.p.A. |
| HP60 - 4/6 ; Assure HP55 - 4/6 | BAXI Heating UK Limited | Outdoor Air/Water | ICIM S.p.A. |
| HP60 - 8 ; Assure HP55 - 8 | BAXI Heating UK Limited | Outdoor Air/Water | ICIM S.p.A. |
