About Daikin Altherma
Daikin is one of the world’s largest HVAC manufacturers, and the Altherma range represents their premium residential heat pump offering. The brand is well-regarded among UK heating engineers for build quality and system design flexibility.
Key Altherma Models for UK
- Altherma 3 R (ERSX): High-efficiency split system, 4–16 kW range, SCOP up to 5.08
- Altherma 3 H HT: High-temperature output (up to 65°C), suitable for older radiator systems
- Altherma 3 Mono: All-in-one monobloc design, simpler installation, 4–14 kW
Efficiency
Daikin Altherma units achieve some of the highest SCOP ratings in the market, with the Altherma 3 R achieving up to 5.08 A+++. Their variable-speed inverter compressor adjusts output continuously to match demand, maintaining high efficiency across a wide range of conditions.
High-Temperature Capability
One notable feature of the Altherma 3 H HT is its ability to produce flow temperatures up to 65°C, making it compatible with existing radiator systems without the need for replacement. This makes it a popular choice for retrofit installations in older homes.
Controls & Smart Features
The Daikin Altherma uses the Daikin Online Controller app for remote control and monitoring. It supports integration with smart home systems via open protocols.
Our Verdict
The Daikin Altherma is a premium choice with excellent efficiency and good installer support network. The high-temperature variant is particularly valuable for retrofit projects. Slightly higher price than some competitors, but justified by build quality and efficiency ratings.
Sources: Daikin Altherma specifications and the MCS scheme.
