Overview
Daikin is the world's largest manufacturer of air conditioning and heat pumps. The Altherma range represents their flagship heating solution, combining decades of HVAC expertise with cutting-edge efficiency technology.
The Altherma 3 is particularly notable for its whisper-quiet operation at just 35dB - making it one of the quietest heat pumps on the market and ideal for homes with close neighbours or noise-sensitive areas.
Pros
- ✓ Exceptionally quiet operation (35dB)
- ✓ Industry-leading efficiency (SCOP 5.1)
- ✓ Eco-friendly R32 refrigerant
- ✓ Stylish, compact outdoor unit
- ✓ Onecta smart app control
- ✓ Integrated solar PV compatibility
Cons
- ✗ Premium pricing
- ✗ Smaller installer network than Mitsubishi
- ✗ Some models require separate cylinder
Altherma Model Range
Altherma 3 M Monobloc
EDLA-DV3/DW1 series
The flagship monobloc with bluevolution technology. Incredibly quiet at just 35dB and highly efficient. The most popular choice for UK installations.
Altherma 3 H HT
High Temperature series
Reaches 70°C flow temperature for older radiator systems. Ideal for retrofitting period properties without replacing radiators.
Frequently Asked Questions
How much does a Daikin Altherma cost?
Daikin Altherma heat pumps cost £8,500-£13,000 for the unit. Total installed cost is typically £11,000-£16,000. With the £7,500 BUS grant, you could pay £3,500-£8,500.
Is Daikin better than Mitsubishi?
Both are excellent Japanese brands. Daikin Altherma 3 is quieter (35dB vs 45dB) and slightly more efficient. Mitsubishi has a larger UK installer network and is often slightly cheaper. Both are top-tier choices.
How quiet is the Daikin Altherma?
The Daikin Altherma 3 is one of the quietest heat pumps available at just 35dB - similar to a library or quiet bedroom. This makes it ideal for homes with close neighbours.