About Mitsubishi Electric Ecodan
Mitsubishi Electric is a global leader in heat pump technology, and their Ecodan range is one of the best-selling ASHP brands in the UK. Manufactured in Japan and designed specifically for the UK and European climate, the Ecodan range covers residential properties from small apartments to large detached homes.
Popular Ecodan Models
- Ecodan PUHZ-SW50 (5 kW): Ideal for 1–2 bedroom properties or well-insulated homes
- Ecodan PUHZ-SW75 (7.5 kW): Popular choice for 3-bedroom semi-detached homes
- Ecodan PUHZ-SW120 (12 kW): Suitable for larger detached homes
- Ecodan PUHZ-HW140 (14 kW): High-capacity for large properties
Efficiency
Mitsubishi Ecodan units achieve SCOP (Seasonal Coefficient of Performance) figures of 3.8–4.2 for space heating, among the best available. At low ambient temperatures (-7°C), the system maintains good heating capacity thanks to Mitsubishi's Zubadan technology in higher-end models.
Reliability
Mitsubishi Ecodan systems are widely regarded as among the most reliable heat pumps in the UK market. Engineers report fewer callouts per unit than many competitor brands, and parts availability is excellent. Expected system lifespan with regular servicing is 20+ years.
Installation & Controls
The Ecodan uses Mitsubishi's MELCloud controller for smartphone-based control and monitoring. The system integrates well with smart home systems and supports weather compensation as standard.
Our Verdict
The Mitsubishi Ecodan represents excellent value for UK homeowners — highly efficient, reliable, well-supported, and backed by strong parts availability. It's our recommended choice for most residential applications.
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