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Daikin Altherma 3 H HT Heat Pump

  • Daikin Altherma 3 H HT is an investment in comfort and energy savings. This air-to-water heat pump delivers heating, cooling and instant hot water—and uses less energy to do it. This system is ideal for homeowners who want to upgrade their boiler or traditional heating system to a greener and more cost-effective solution.

    The new Daikin Altherma 3 H HT E-Series is designed to perform reliably, whatever the weather. This single fan outdoor unit achieves some of the highest efficiencies and lowest sound levels in the market. The sleek design makes it an aesthetically pleasing solution for all settings.

    The Altherma H HT E-Series is a heat pump system designed for the renovation market. Available with both an integrated water tank and wall mounted indoor options, it delivers excellent performance and provides leaving water temperatures of up to 70°C. Environmentally friendly, the system uses R32 refrigerant, with GWP (Global Warming Potential) of just 675.

    With the upgraded E-Series, Daikin have introduced some new advanced features, including cloud connectivity and a Wireless LAN adaptor for the residential App control, Smart Grid compatibility and upgraded software for improved performance.

    Thanks to the latest design developments, the Daikin Altherma 3 H HT is the pinnacle of acoustic comfort and heating performance. Several major components have been enhanced to achieve this excellence - such as a double injection compressor and a single fan even on large capacity units - all wrapped up in a brand-new casing.

    The Daikin Altherma 3 H HT has been designed for lower acoustic levels to meet the needs of urban areas and homeowner expectations. It operates at whisper-quiet levels for maximum acoustic comfort and the system offers enhanced flexibility by providing a low sound mode. 

    Along with acoustic comfort, specific attention has been given to the design of the outdoor unit. It has been designed to blend seamlessly into the home environment. The black front horizontal grill conceals the fan inside, while the matt grey casing blends discreetly with the surrounding architecture. Winner of IF and reddot design awards 2019.


    • Ideal for boiler replacement, due to its high leaving water temperature (LWT)
    • LWT of 70°C down to -15°C with heat pump operation only
    • Operation range down to -28°C
    • Updated software for better performance

    Easy and quick installation:

    • No F-gas licence needed - only water connection between indoor and outdoor unit
    • Sealed refrigerant circuit in outdoor unit - no risk of refrigerant leakage
    • All hydraulic components accessible from the top
    • Wall mounted and integrated water tank variants

    Easy configuration and commissioning:

    • Configuration in 9 easy steps via the MMI controller (User Interface)
    • Selection and configuration via HSN


    • Comes pre-fitted with the cloud and app control functionality. Simply insert the included SD card into the indoor unit to initiate
    • Comes with the in-built smart grid connections

    Quiet Mark certified models include 3 variations in 3 phase and single phase:

    • Phase 1 
      • Outdoor: EPRA14DV3, EPRA16DV3 & EPRA18DV3 
      • Indoor: ETBH/X16D6V, ETBH/X16D6V & ETBH/X16D6V 
    • Phase 3 
      • Outdoor: EPRA14DW3, ETBH16D9W & EPRA18DW1
      • Indoor: ETBH/X16D9W, ETBH/X16D9W & ETBH/X16D9W

Sound Made Simple

Acoustics Academy’s Sound Made Simple guide clarifies complex acoustic terminology with insights to design with sound.