Kronoterm ETERA L-1 HT / HK 3F E (B/W)
The Kronoterm ETERA L-1 HT / HK 3F E (B/W) is a heat pump with SCOP (35 °C) 5.83 and refrigerant R452B.1,2
Key figures
Technical specifications
| General | |
|---|---|
| Type (source) | Ground source1 |
| Performance | |
| Rated output 35 °C | 18 kW2 |
| Rated output 55 °C | 18 kW2 |
| Efficiency | |
| SCOP (35 °C) | 5.832 |
| SCOP (55 °C) | 4.232 |
| Seasonal efficiency ηs 35 °C | 230 %2 |
| Seasonal efficiency ηs 55 °C | 166 %2 |
| Energy label 35 °C | A+++2 |
| Energy label 55 °C | A+++2 |
| Noise | |
| Indoor unit sound power | 35 dB(A)2 |
| Refrigerant | |
| Refrigerant | R452B1 |
| Refrigerant GWP | 6751 |
| Grants & market | |
| ISDE grant (NL) | 5,625 €1 |
How it ranks
SCOP (35 °C): better than 86% of comparable models in our database (Heat pumps · Ground source · ≥ 14 kW; n = 123).
Rank 18 of 124
Compared with every model on VersusIndex in the same group with a known value; equal values do not count as better. This says nothing about price, installation or reliability.
Manufacturer documentation
External links to Kronoterm's official website. The manufacturer may change or move documents; where they differ, the manufacturer's latest version applies.
Similar models
Other brands, same type and a comparable size.
More from Kronoterm
- Kronoterm ADAPT 0724-K3 HT / HK 3F SCOP (35 °C): 4.95
- Kronoterm ETERA M-1 HT / HK UF E SCOP (35 °C): 7.72
- Kronoterm ETERA M-1 HT / HK 3F E (B/W) SCOP (35 °C): 5.58
- Kronoterm ETERA M-1 HT / HK 3F E (W/W) SCOP (35 °C): 7.9
- Kronoterm ETERA M-1 HT / HK UF E (B/W) SCOP (35 °C): 5.58
- Kronoterm ETERA M-1 HT / HK UF E (W/W) SCOP (35 °C): 7.6
How we collect and check this data →
Frequently asked questions
Sources
- ISDE heat pump notification code list — Rijksdienst voor Ondernemend Nederland (RVO) · accessed Sep 27, 2026
- European Product Registry for Energy Labelling (EPREL) – heat pumps — Europese Commissie · accessed Oct 18, 2026