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Heat Pump Installers in Carmarthenshire

13 MCS-certified heat pump installers based in Carmarthenshire or within 20 miles of its centre, compared on grant registration, accreditations, brands and reviews.

13certified installers
92%can claim the £7,500 grant
54%offer finance
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Heat pumps in Carmarthenshire: the numbers

i

Sources: DESNZ, Boiler Upgrade Scheme statistics: August 2026 (Ofgem data). Open Government Licence v3.0. MHCLG, Energy Performance of Buildings Data (domestic EPCs, England and Wales). Open Government Licence v3.0.

360heat pumps fitted with the £7,500 grant in Carmarthenshire since May 2022
115in 2025/26, up 31% on 2024/25
2,175homes in Carmarthenshire with a heat pump on their energy certificate (EPC)
602more added to EPCs in 2025, vs 216 in 2024
£12,908typical cost of an air source heat pump before the grant (median, England and Wales, Apr to Jun 2026)

All 13 installers, best match first

Most-fitted brands here: SolarEdge, Tesla, JA Solar, Mitsubishi. Most common memberships: TrustMark (6), RECC (2), Gas Safe (2).

  1. 1

    Limitless Energy Ltd

    The Mumbles · 19 miles

    BUS registeredGround sourceNAPITRECCTrustMark

    Fits JA Solar, Jinko, Mitsubishi, Myenergi · Reviews on Trustpilot, Facebook

    Get a quote MCS NAP-53468
  2. 2

    C&T ECO Consultants

    Neath Port Talbot , · 19 miles

    BUS registeredGas SafeTrustMark

    Fits GivEnergy, SolarEdge, Solis, Tesla · Reviews on Facebook, Google · Finance available

    Get a quote MCS BAB-248352
  3. 3

    SIW Eco Energy Ltd

    Neath · 20 miles · 15+ years

    BUS registeredGround sourceRECCTrustMark

    Reviews on Facebook

    Get a quote MCS EPP-32872
  4. 4

    Solar Save Renewables Limited

    Llandeilo · Est. 2013

    BUS registeredGround source

    Fits Aiko, DMEGC, GivEnergy, Growatt · Reviews on Facebook

    Get a quote MCS APH-48172
  5. 5

    A&D Carbon Solutions Ltd

    Swansea · 15 miles · 13+ years

    BUS registeredGround sourceTrustMark

    Reviews on Facebook · Finance available

    Get a quote MCS APH-47508
  6. 6

    S W Heating & Plumbing (Gower) Ltd

    Swansea · 19 miles · Est. 2008

    BUS registeredGas SafeOFTEC

    Fits Mitsubishi

    Get a quote MCS OFT-11041
  7. 7

    Stellar Energy UK Limited

    Llanelli

    BUS registeredTrustMark

    Reviews on Trustpilot, Facebook · Finance available

    Get a quote MCS NAP-30484
  8. 8

    Amgen Heating LTD

    Carmarthen

    BUS registered

    Fits Vaillant · Reviews on Facebook

    Get a quote MCS NAP-73533
  9. 9

    LD Eco Ltd

    Llanelli · Est. 2013

    BUS registered

    Finance available

    Get a quote MCS NAP-67755
  10. 10

    Thermal Earth Ltd

    Capel Hendre · Est. 2006

    BUS registeredGround source

    Finance available

    Get a quote MCS NAP-28951
  11. 11

    My Eco Move Limited

    Swansea · 16 miles

    BUS registered

    Fits Tesla · Finance available

    Get a quote MCS NIC-200168
  12. 12

    Birdshill Rural Renewables

    Llandeilo

    BUS registeredGround source

    Get a quote MCS NAP-53283
  13. 13

    Alpha Energy Group Ltd

    Llanelli

    TrustMark

    Finance available

    Get a quote MCS BAB-254344

Questions

How many MCS-certified heat pump installers are there in Carmarthenshire?

We list 13 MCS-certified heat pump installers based in or near Carmarthenshire. MCS certification is required for the Smart Export Guarantee and the Boiler Upgrade Scheme.

How many heat pumps have been installed in Carmarthenshire?

360 heat pumps have been fitted with Boiler Upgrade Scheme grants in Carmarthenshire since May 2022, including 115 in 2025/26. These are grant-funded installs only, from government statistics.

Which heat pump installers in Carmarthenshire can claim the Boiler Upgrade Scheme grant?

12 of the 13 installers listed here are registered for the Boiler Upgrade Scheme, which pays £7,500 towards an air or ground source heat pump. Filter the list by "BUS registered" to see them.

Which brands do heat pump installers in Carmarthenshire fit?

The most-fitted brands among installers here are SolarEdge (3 installers), Tesla (3 installers), JA Solar (2 installers), Mitsubishi (2 installers).

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