| Subtype | Certificate Holder | Heat Pump Type | Certification Body |
|---|---|---|---|
| DC Inverter Heat Pump R290-06 | ECO Engineering 2050 GmbH | Outdoor Air/Water | BRE |
| DC Inverter Heat Pump R290-09 | ECO Engineering 2050 GmbH | Outdoor Air/Water | BRE |
| DC Inverter Heat Pump R290-12 | ECO Engineering 2050 GmbH | Outdoor Air/Water | BRE |
| DC Inverter Heat Pump R290-17T | ECO Engineering 2050 GmbH | Outdoor Air/Water | BRE |
