Roth ThermoTerra F Eco 6 kW
The Roth ThermoTerra F Eco 6 kW is a heat pump with SCOP (35 °C) 5.03 and refrigerant R290.1,2
Key figures
Rules in the UK
Boiler Upgrade Scheme
Check conditions£7,500 – £9,0003Fixed grant (England & Wales)
Fixed grant in England and Wales, deducted from your installer’s quote. £9,000 when replacing oil or LPG off the gas grid (until March 2027). Scotland: Home Energy Scotland grant instead.4,5
- Must be MCS-certified (product and installer). Check the Ofgem product eligibility list.
- Rated output 5 kW; the scheme covers systems up to 45 kW.
- SCOP at 55 °C: 3.83. The installed system needs a SCOP of at least 2.8 (MCS calculation).
Technical specifications
| General | |
|---|---|
| Type (source) | Ground source1 |
| Compressors | 11 |
| Capacity control | drehzahlregelung1 |
| Performance | |
| Rated output 35 °C | 5 kW2 |
| Rated output 55 °C | 6 kW2 |
| Efficiency | |
| SCOP (35 °C) | 5.032 |
| SCOP (55 °C) | 3.832 |
| Seasonal efficiency ηs 35 °C | 198 %2 |
| Seasonal efficiency ηs 55 °C | 150 %2 |
| Energy label 35 °C | A+++2 |
| Energy label 55 °C | A+++2 |
| Noise | |
| Indoor unit sound power | 40 dB(A)2 |
| Refrigerant | |
| Refrigerant | R2901 |
| Refrigerant charge | 0.16 kg1 |
| Electrical | |
| Max. power input | 2.9 kW1 |
| Connectivity & smart | |
| SG Ready | Yes1 |
Similar models
Other brands, same type and a comparable size.
Guides on heat pumps
- SCOP, COP and ηs: what a heat pump’s efficiency figures mean
- Hybrid or full heat pump? The main types compared
- Heat pump noise: MCS 020(a), permitted development and where to put the unit
- Sizing a heat pump: heat loss, flow temperature and rated output
- Heat pump refrigerants: R290, R32 and R410A compared
How we collect and check this data →
Frequently asked questions
What is the SCOP (35 °C) of the Roth ThermoTerra F Eco 6 kW?
The SCOP (35 °C) of the Roth ThermoTerra F Eco 6 kW is 5.03.1,2
Which refrigerant does the Roth ThermoTerra F Eco 6 kW use?
The refrigerant of the Roth ThermoTerra F Eco 6 kW is R290.1,2
How much Boiler Upgrade Scheme grant can you get for the Roth ThermoTerra F Eco 6 kW?
£7,500 in England and Wales, provided the product and installer are MCS-certified (£9,000 when replacing oil or LPG off the gas grid, until March 2027). The installer applies and deducts the grant from your quote.1,2
Sources
- List of eligible heat pumps (BEG) — Bundesamt für Wirtschaft und Ausfuhrkontrolle (BAFA) · accessed 18 Oct 2026
- European Product Registry for Energy Labelling (EPREL) – heat pumps — Europese Commissie · accessed 15 Oct 2026
- Boiler Upgrade Scheme: what you can get — GOV.UK · accessed 27 Sept 2026
- Boiler Upgrade Scheme: guidance for installers (V5) — Ofgem · accessed 27 Sept 2026
- Boiler Upgrade Scheme product eligibility — Ofgem · accessed 27 Sept 2026