Stiebel Eltron
Premium German heat pump engineering since 1924
Stiebel Eltron is a strong choice for UK homeowners. From Germany, founded 1924. Heat output range: 4 kW - 17 kW. SCOP: Up to 4.5. Noise: 37-47 dB.
Key specifications
Score breakdown
+Pros
- SCOP up to 4.5 — among the highest in the market
- 100 years of heat pump manufacturing experience
- Exceptionally quiet WPL Ace units (37 dB)
- Strong manufacturer technical support
- High build quality and long design life
-Cons
- Very limited UK installer network — specialist only
- Premium pricing
- Longer lead times than volume brands
Best for
Not ideal for
Top models
| Model | Heat output | SCOP | Approx. installed price |
|---|---|---|---|
| WPL 7 A | 7 kW | 4.5 | £5,500-8,500 installed |
| WPL 10 A | 10 kW | 4.3 | £7,500-10,500 installed |
| WPL 17 A | 17 kW | 4.1 | £9,500-13,000 installed |
Prices shown include installation and are after the £7,500 BUS grant where applicable. Correct as of April 2026.
Stiebel Eltron heat pump - common questions
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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.