To
Toshiba
Japanese precision engineering for modern heating
BUS Grant: £7,500BUS EligibleMCS Approved
8.2
Overall score
out of 10
Toshiba is a strong choice for UK homeowners. From Japan, founded 1875. Heat output range: 4 kW - 16 kW. SCOP: Up to 4.4. Noise: 40-48 dB.
Key specifications
OriginJapan
Founded1875
Heat output4 kW - 16 kW
Max SCOPUp to 4.4
Noise level40-48 dB
Warranty5 years
Score breakdown
Efficiency (SCOP)
8.6
Reliability
8.4
Installation
8
After-sales support
7.8
Value for money
8
Post-grant installed price
£4,000 - £8,000
After £7,500 BUS grant. Includes installation.
+Pros
- 150+ years of Japanese engineering heritage
- Estia Split offers flexible outdoor unit placement
- Good cold weather operation to -25°C
- R32 low-GWP refrigerant across the range
- Competitive mid-tier pricing
-Cons
- Less well known in UK vs. Mitsubishi Electric
- Smaller dedicated UK installer network
- After-sales support can vary by region
Best for
Mid-range budget buyersFlexible installation layoutsEco-conscious homeowners (R32)
Not ideal for
Buyers needing extensive UK support networkVery large rural properties
Top models
| Model | Heat output | SCOP | Approx. installed price |
|---|---|---|---|
| Estia Split 4.5kW | 4.5 kW | 4.4 | £4,500-6,500 installed |
| Estia Split 8kW | 8 kW | 4.2 | £6,000-8,000 installed |
| Estia Split 16kW | 16 kW | 3.9 | £8,000-11,500 installed |
Prices shown include installation and are after the £7,500 BUS grant where applicable. Correct as of April 2026.
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Important disclaimer
www.heatpumpcompared.co.uk is editorially independent and not affiliated with any heat pump manufacturer or installer. We do not provide heating advice. Prices, specifications, SCOP ratings and grant amounts are correct as of April 2026 but are subject to change. Always commission a professional heat loss survey before purchasing a heat pump system.