| Subtype | Certificate Holder | Heat Pump Type | Certification Body |
|---|---|---|---|
| DC Inverter Air to Water Heat Pump Thermal 06 | REFSYSTEM Sp. z o.o. | Outdoor Air/Water | BRE |
| DC Inverter Air to Water Heat Pump Thermal 09 | REFSYSTEM Sp. z o.o. | Outdoor Air/Water | BRE |
| DC Inverter Air to Water Heat Pump Thermal 12 | REFSYSTEM Sp. z o.o. | Outdoor Air/Water | BRE |
| DC Inverter Air to Water Heat Pump Thermal 15 | REFSYSTEM Sp. z o.o. | Outdoor Air/Water | BRE |
| DC Inverter Air to Water Heat Pump Thermal 19 | REFSYSTEM Sp. z o.o. | Outdoor Air/Water | BRE |
| DC Inverter Air to Water Heat Pump Thermal Plus 06 | REFSYSTEM Sp. z o.o. | Outdoor Air/Water | BRE |
| DC Inverter Air to Water Heat Pump Thermal Plus 09 | REFSYSTEM Sp. z o.o. | Outdoor Air/Water | BRE |
| DC Inverter Air to Water Heat Pump Thermal Plus 12 | REFSYSTEM Sp. z o.o. | Outdoor Air/Water | BRE |
| DC Inverter Air to Water Heat Pump Thermal Plus 15 | REFSYSTEM Sp. z o.o. | Outdoor Air/Water | BRE |
| DC Inverter Air to Water Heat Pump Thermal Plus 19 | REFSYSTEM Sp. z o.o. | Outdoor Air/Water | BRE |
