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GridNua · Technology Gallery

The Technology Gallery.

Residential computing and computing heat, entry by entry, checked against official sources.

No residential computing installation or programme is currently available through PlotNua in Ireland. GridNua follows how it is developing, here and abroad.

How we label technology

Two separate labels, because a technology can be mature abroad and still be absent in Ireland.

Maturity

  1. Concept: An idea or design described in public, with no working equipment shown.
  2. Prototype: Working equipment built and tested, but not yet placed in real homes or sites.
  3. In trials: Running in a limited number of real homes or sites, as a test.
  4. Operating commercially: Offered to customers as a service or product, in at least one country.
  5. Widely available: Readily available from several providers or installers.

In Ireland

  • Here today: homes in Ireland can get it now, shown by an Irish source.
  • Being worked on in Ireland: publicly under way here, not yet available.
  • Operating elsewhere, not in Ireland: running abroad only.
  • Large sites in Ireland, not homes: used here at district or commercial scale.

Designed for homes

Equipment and services built for, or trialled in, people's homes. Alphabetical order.

  • Home energy and computing

    CYANIS household units

    CYANIS AI · Germany

    A German AI-computing company that plans to run part of its work on small units in homes, linked to rooftop solar and batteries. It does not say how, or whether, the heat would be used in the home.

    Where the heat goes: Not stated

    • MaturityConcept
    • In IrelandOperating elsewhere, not in Ireland
    What we checked
    • CYANIS describes three classes of sites: energy-site pods, industrial units 'with heat extraction', and household units ('Plug and play, behind the meter or grid-supplied').CYANIS Cloud – architecture · read 29 October 2026
    • The rollout schedule on the CYANIS site states 'First home nodes live Q4 2026', two pods live March 2027, and 10 MW online by Q4 2027.CYANIS homepage · read 29 October 2026
    • CYANIS AI launched CYANIS Cloud, a sovereign AI inference API, on 13 Oct 2026.CYANIS Newsroom · published 13 October 2026
    • CYANIS AI states it has 150+ sites across Germany under LOI and is headquartered in Hamburg.CYANIS homepage · read 29 October 2026
    Last checked 29 October 2026Official website
  • Heat from computing

    heata

    heata · United Kingdom

    A small cloud server fitted to a home's hot-water cylinder. Computing jobs run on it, and the heat goes into the stored water, so the existing boiler or immersion runs less often.

    Where the heat goes: Hot water

    • MaturityOperating commercially
    • In IrelandOperating elsewhere, not in Ireland
    What we checked
    Last checked 29 October 2026Official website
  • Heat from computing

    HeatHub

    Thermify · United Kingdom

    A unit packed with small computers that replaces a gas boiler. Thermify sells the computing to businesses and uses the captured heat for the home's heating and hot water.

    Where the heat goes: Space heating

    • MaturityIn trials
    • In IrelandOperating elsewhere, not in Ireland
    What we checked
    • The Thermify FAQ says HeatHub cannot yet be bought: it is installed on a trial basis, with production and the first home installations targeted to start in 2027.Thermify News / FAQ · read 29 October 2026
    • Thermify says HeatHub replaces a gas boiler and uses captured heat 'for warmth and hot water – on-demand'.Thermify – How it works · read 29 October 2026
    • Thermify says it installed its first residential HeatHub as part of UK Power Networks' Ofgem-funded SHIELD project, and that its SHIELD commitment limits availability for other trial installations.Thermify News · read 29 October 2026
    • Thermify says it retains ownership of the HeatHub and maintains it. Installation is expected to be offered on a ten-year lease.Thermify FAQ · read 29 October 2026
    • UK Power Networks says SHIELD's third phase covers up to 300 social tenants on estates in the East and South East of England. All get solar and batteries, and about a third get a HeatHub. The phase runs over four years.UK Power Networks helping SHIELD vulnerable customers from fuel poverty · published 1 October 2025
    • Partners named by UK Power Networks are Power Circle Projects, Eastlight Community Homes and Essex Community Energy CIC. Thermify is named as the source of the HeatHub technology.UK Power Networks SHIELD release · published 1 October 2025
    Last checked 29 October 2026Official website
  • Platform or network

    Leaf Sites

    Leafcloud · Netherlands

    Apartment buildings, not single houses

    A Dutch cloud provider that places servers in the technical rooms of existing buildings, including apartment buildings, and sends their heat into the building's hot-water system. It works at building level, not in single houses.

    Where the heat goes: Hot water

    • MaturityOperating commercially
    • In IrelandOperating elsewhere, not in Ireland
    What we checked
    Last checked 29 October 2026Official website
  • Heat from computing

    myEko Pro

    Hestiia · France

    An electric radiator with a built-in computing module. The chips' heat warms the room and an electric element tops it up. It is aimed at new-build housing in France; no installations are published yet.

    Where the heat goes: Space heating

    • MaturityIn trials
    • In IrelandOperating elsewhere, not in Ireland
    What we checked
    • Hestiia markets myEko Pro as 'the first radiator with embedded waste-heat recovery (RCE)', a range designed for new construction and aimed at social landlords, developers and engineering firms.Hestiia homepage (FR) · read 29 October 2026
    • Hestiia says the radiators perform AI inference computation and that the chips' heat warms the room.Hestiia – Comment ça marche · read 29 October 2026
    • Hestiia says myEko Pro received a favourable opinion from the Titre V commission (December 2025), with the approval order being published by the ministry. It was selected for France 2030.Hestiia homepage FAQ · read 29 October 2026
    • Hestiia states a design life of 17 years, with a 2-year warranty on electronic parts and 5 years on mechanical parts.Hestiia homepage FAQ · read 29 October 2026
    • Hestiia does not publish how many radiators are installed in homes.Hestiia homepage (checked for installation figures) · read 29 October 2026
    Last checked 29 October 2026Official website
  • Home energy and computing

    XFRA

    SPAN · United States

    An outdoor, liquid-cooled computing unit installed beside a smart electrical panel at new-build US homes. It uses the home's spare electrical capacity. Its heat is not used in the home.

    Where the heat goes: Not used for heat

    • MaturityPrototype
    • In IrelandOperating elsewhere, not in Ireland
    What we checked
    • SPAN announced XFRA, a distributed data-centre solution using nodes in homes and small commercial spaces, with NVIDIA as launch partner and PulteGroup leading the initial rollout. Initial deployments are planned for later in 2026.SPAN Announces XFRA (Business Wire) · published 13 April 2026
    • The XFRA node is 'purpose-built to be easily installed outdoors together with a SPAN Panel'.XFRA official site · read 29 October 2026
    • SPAN says it is working only with US residential new-construction builders for its 'first 100-home XFRA proof of concept' and plans to expand more broadly in 2027.XFRA official site · read 29 October 2026
    Last checked 29 October 2026Official website

Context: not for homes

Larger sites that show where computing heat is already used. Included for context, not as options for a house.

  • Not for homes

    Deep Green

    Deep Green · United Kingdom

    Small data centres placed next to buildings that need heat. Server heat is captured and supplied to a leisure-centre pool, with a district heating supply planned in Bradford.

    Where the heat goes: Swimming pool

    • MaturityOperating commercially
    • In IrelandOperating elsewhere, not in Ireland
    What we checked
    Last checked 29 October 2026Official website
  • Not for homes

    Qarnot

    Qarnot, now part of Scaleway · France and Europe

    A French computing provider that once made computing heaters for buildings. It now places servers where heat is needed, such as district heating networks and aquatic centres, and no longer offers a home heater.

    Where the heat goes: District heating

    • MaturityOperating commercially
    • In IrelandOperating elsewhere, not in Ireland
    What we checked
    • Scaleway announced the acquisition of Qarnot on 10 July 2026.Scaleway acquires Qarnot · published 10 July 2026
    • Qarnot says up to 95% of server heat is recovered and sent to district heating networks, public facilities and industrial sites, for example Brescia (Italy) with A2A and wellness and aquatic centres.Scaleway acquires Qarnot · published 10 July 2026
    • The current Qarnot site markets 'Ready-to-use Cloud HPC for engineers'. No home heater product is offered.Qarnot homepage · read 29 October 2026
    Last checked 29 October 2026Official website
  • Not for homes

    Tallaght District Heating Scheme

    Heat Works, owned by South Dublin County Council · Ireland

    Ireland's first large-scale district heating network. Waste heat from a nearby data centre is upgraded and piped to council buildings and TU Dublin's Tallaght campus. Homes are planned for a later phase.

    Where the heat goes: District heating

    • MaturityOperating commercially
    • In IrelandLarge sites in Ireland, not homes
    What we checked
    • Heat Works is a not-for-profit energy utility fully owned by South Dublin County Council. Phase 1 began construction in May 2021 and became operational at the end of 2022.Heat Works – Our Network · read 29 October 2026
    • Heat Works says that in normal operation heat demand is 100% covered by waste heat from the nearby Amazon data centre.Heat Works – Our Network · read 29 October 2026
    • Phase 1 connects local authority buildings and TU Dublin-Tallaght. The new Belgard Gardens residential development has potential to connect 'at a later phase'.Heat Works – Our Network · read 29 October 2026
    • The scheme was officially opened by Minister Eamon Ryan. It supplies County Hall, the library complex and TU Dublin Tallaght, and Phase 1 will also supply the Innovation Centre and a nearby affordable apartment scheme.Official launch of the Tallaght District Heating Scheme (Codema) · published 6 April 2023
    Last checked 29 October 2026Official website
  • Not for homes

    Tandem Compute pods

    Tandem Compute Limited · Ireland (planned)

    An Irish company planning shipping-container-sized, liquid-cooled GPU computing pods at commercial and community sites such as pools, hotels and industrial heat users. Warm water from the pods would be piped into the host building. It does not offer pods for individual homes.

    Where the heat goes: Host building (pool, hot water or process heat)

    Power: Its published model powers the computing mainly from a gas-fired combined heat and power (CHP) unit on the host's existing gas connection, alongside its own grid connection. It is not a renewable-powered computing model; the only renewable option it mentions is paying for biomethane.

    • MaturityConcept
    • In IrelandBeing worked on in Ireland
    What we checked
    • Tandem Compute describes compact, liquid-cooled GPU pods 'the size of a shipping container', from 200 kVA, placed beside a host building, with warm water from the pod piped into the building.Tandem Compute homepage · read 29 October 2026
    • Its host page names pools and leisure centres, hotels and hospitality, and industrial heat users. Homes are not mentioned.Tandem Compute: become a host · read 29 October 2026
    • Tandem Compute says a CHP unit on the host's existing gas connection generates electricity for the computing and its heat is recovered; it seeks its own grid connection and MPRN separate from the host's supply. The only renewable option it mentions is paying for biomethane.Tandem Compute: become a host · read 29 October 2026
    • The pod image on its homepage is labelled a 'Concept visual'; the site names no operating site and says capacity is reserved 'as each site comes online'.Tandem Compute homepage · read 29 October 2026
    • Tandem Compute Limited (company number 823866) was incorporated on 21 August 2026, registered in Dublin.SoloCheck (company register data) · read 29 October 2026
    Last checked 29 October 2026Official website

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Independent and unpaid: no company has paid to appear, and order is alphabetical. Specifications are shown only where the company publishes them. Logos and photographs are not used without permission.