| Subtype | Certificate Holder | Heat Pump Type | Certification Body |
|---|---|---|---|
| M thermal A series 12 14 16 kW | Immergas S.p.A. | Outdoor Air/Water | BRE Global Limited |
| M thermal A series 18 22 26 30 kW | Immergas S.p.A. | Outdoor Air/Water | BRE Global Limited |
| M thermal A series 4 6 kW | Immergas S.p.A. | Outdoor Air/Water | BRE Global Limited |
| M thermal A series 8 10 kW | Immergas S.p.A. | Outdoor Air/Water | BRE Global Limited |
