Peak V-Therm (2.55–11.31 kW)
Specifications and technical data
✓ BUS eligibleAir Source (ASHP)ResidentialR322.55–11.31 kW
| Manufacturer | Peak |
|---|---|
| Model | V-Therm |
| Model code | S-Maxi |
| Heat pump type | Air Source (ASHP) All Air Source heat pumps → |
| Application | Residential All Residential heat pumps → |
| Refrigerant | R32 All R32 heat pumps → |
| Mode | Heating only |
| Heating capacity | 2.55–11.31 kW |
| Max heating output (low temp) | 10.16 kW at A7/W55 |
| Heating flow temperature | up to 58 °C |
| Electrical supply | 220-240V (Single Phase) |
| Dimensions (H×W×D) | 910 × 1094 × 407 mm |
| Operational Weight | 88 kg |
| Data added | 2026-07-15 |
| Data source | Manufacturer Data Sheet |
| Verification | Verified by a human |
| Boiler Upgrade Scheme | ✓ BUS eligible — Listed on the Ofgem BUS Product Eligibility List (24 Sep 2026). Grant also needs an MCS-certified installer and a qualifying system design. Funding guide |
| PEL certificate no. | MCS HP0253/05 |
| MCS certification | ✓ MCS listed |
| MCS certificate no. | MCS HP0253/05 |
| MCS listing | View on MCS ↗ |
Peak V-Therm S-Maxi is a 2.55-11.31 kW (range) air source heat pump for heating and hot water.
✎ Suggest a correction to this data
Data is compiled from manufacturer sources and may contain errors or gaps. Always confirm specifications with the manufacturer before making decisions.
Reviews & further reading
- Manufacturer Downloads — PeakCovers the wider Peak range
Alternatives to consider
Three Air Source (ASHP) heat pumps from other manufacturers closest in capacity to this one.
M Thermal R290
Midea · MHC-V12W/D2N7
- Capacity
- 11.3 kW
- SCOP
- 4.67 (W35)
- Sound power
- 65 dB(A)
- Refrigerant
- R290
- Price
- ~£3,528
Ecodan R32 Monobloc
Mitsubishi Electric · PUZ-WM112VAA
- Capacity
- 11.2 kW
- SCOP
- 4.78 (W35)
- Sound power
- 60 dB(A)
- Refrigerant
- R32
Aerona3 R32 10kW
Grant · HPID10R32
- Capacity
- 11.1 kW
- SCOP
- 5.2 (W35)
- Sound power
- 64 dB(A)
- Refrigerant
- R32
- Price
- £3,069.01–£3,793.16
More from Peak
Monobloc
ASHP · 6.4 kW · SCOP 3.77 · BUS eligible
Monobloc
ASHP · 9 kW · SCOP 3.55 · BUS eligible
Monobloc
ASHP · 17.4 kW · SCOP 3.37 · BUS eligible
V-Therm
ASHP · 1.56–7.15 kW · BUS eligible
V-Therm
ASHP · 3.78–16.25 kW · BUS eligible
V-Therm
ASHP · 4.56–20.55 kW · BUS eligible
Other Air Source (ASHP) heat pumps
H-600 CO₂
ASHP · 300–600 kW
H-1200 CO₂
ASHP · 600–1200 kW
H-1800 CO₂
ASHP · 900–1800 kW
H-2600 CO₂
ASHP · 1500–3000 kW
NX-Q-G06
ASHP · 157.5 kW
NX-Q-G06
ASHP · 174.6 kW
Compare with other products
Open the interactive database →
The Peak name and logo are trademarks of their respective owner and are used here for identification purposes only.