The flagship heat pump from Europe’s #1 hydronic brand. The Daikin Altherma 4 H heats your home and hot water with an A+++ seasonal efficiency — roughly 4–5 units of heat for every unit of electricity — on the low-GWP refrigerant R290 (propane).
Why it stands out
It holds full output down to -28 °C and reaches 75 °C flow temperature, so it works even in radiators designed for old boilers — and stays whisper-quiet at 28 dBA. As the EU phases down F-gases and pushes heat-pump adoption with subsidies, R290 models like this are the future-proof choice.
Key specifications
| Type | Air-to-water (monobloc) |
| Heating output | 6–14 kW (model dependent) |
| Efficiency | SCOP A+++ |
| Refrigerant | R290 (propane, GWP 3) |
| Max flow temperature | 75 °C |
| Operating range | Down to -28 °C |
| Noise | 28 dBA |
What’s included
- Daikin Altherma 4 H indoor + outdoor unit
- Controller & app connectivity
- Daikin “Stand By Me” certified-partner support
Who it’s for
Homeowners replacing a gas or oil boiler, especially those eligible for EU heat-pump subsidies, and new builds targeting top energy ratings.
Warranty & support
5-year manufacturer warranty (Daikin) plus installer workmanship. We coordinate a Daikin-certified installer and the subsidy paperwork.
Pricing shown is a current EU retail reference; final installed price is quoted after a home assessment.
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