Toshiba ESTIA R32 8 kW 3-phase (Hydrobox Compact)
Specifications and technical data
Also known as: HWT-801H8W-E / HWT-1101XWHT9W-E
✓ BUS eligibleAir Source (ASHP)ResidentialR322.65–12.27 kW
| Manufacturer | Toshiba |
|---|---|
| Model | ESTIA R32 8 kW 3-phase (Hydrobox Compact) |
| Model code | HWT-801H8W-E |
| 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 & cooling |
| Heating capacity | 2.65–12.27 kW |
| Max heating output (low temp) | 8.74 kW at A2/W35 |
| COP (heating) | 5.06 at A7/W35 |
| SCOP (heating) | 4.51 at W35 |
| Operating range (air) | -25 to 25 °C |
| Heating flow temperature | 20–65 °C |
| Electrical supply | 380-415V (Three Phase) |
| Cooling capacity | 6 kW |
| Max cooling output (high temp) | 6 kW at A35/W7 |
| Cooling flow temperature | 7–25 °C |
| EER (cooling) | 2.83 at A35/W7 |
| Dimensions (H×W×D) | 1050 × 1010 × 370 mm |
| Operational Weight | 92 kg |
| Sound power level | 65 dB(A) (Sound Power LW(A)) |
| Data added | 2026-10-21 |
| Data source | Toshiba ESTIA product data sheet (EN) |
| 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. | 011-1W0608_02; 011-1W0608_03; 011-1W0608_04 |
| MCS certification | ✓ MCS listed |
| MCS certificate no. | 011-1W0608_02; 011-1W0608_03; 011-1W0608_04 |
Check noise at a neighbour’s window (MCS 020 a) →
Toshiba ESTIA R32 8 kW 3-phase (Hydrobox Compact) R32 split air-to-water heat pump outdoor unit HWT-801H8W-E, 8 kW nominal at A7/W35, flow up to 65 °C, heating and cooling.
✎ 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.
Alternatives to consider
Three Air Source (ASHP) heat pumps from other manufacturers closest in capacity to this one.
Vitocal 150
Viessmann · Vitocal 150-A13 230V
- Capacity
- 2.6–12.3 kW
- SCOP
- 4.9 (W35)
- Sound power
- 54 dB(A)
- Refrigerant
- R290
- Price
- £5,191.64–£5,947
NXHM 012
Riello · NXHM 012
- Capacity
- 5.57–12.3 kW
- SCOP
- 4.81 (W35)
- Sound power
- 65 dB(A)
- Refrigerant
- R32
- Price
- £2,813.45–£3,500
IDOLA S 3.2
Lamborghini Caloreclima · IDOLA S 3.2 12
- Capacity
- 12.3 kW
- SCOP
- 4.81 (W35)
- Sound power
- 65 dB(A)
- Refrigerant
- R32
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