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Heat Pump Installers in Hertfordshire

29 MCS-certified heat pump installers based in Hertfordshire, compared on grant registration, accreditations, brands and reviews.

29certified installers
79%can claim the £7,500 grant
17%offer finance
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Heat pumps in Hertfordshire: 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.

1,827heat pumps fitted with the £7,500 grant in Hertfordshire since May 2022
660in 2025/26, up 18% on 2024/25
5,786homes in Hertfordshire with a heat pump on their energy certificate (EPC)
1,036more added to EPCs in 2025, vs 721 in 2024
£12,908typical cost of an air source heat pump before the grant (median, England and Wales, Apr to Jun 2026)

All 29 installers, best match first

Most-fitted brands here: Vaillant, Viessmann, Ideal, Mitsubishi. Most common memberships: Gas Safe (10), Checkatrade (4), OFTEC (3).

  1. 1

    Libtek Ltd

    Potters Bar · 20+ years

    BUS registeredCheckatradeNAPITTrustMark

    Fits Tesla, Vaillant, Viessmann · Reviews on Google, Checkatrade, Facebook

    Get a quote MCS NAP-69067
  2. 2

    Gas Tech Heating Ltd

    Hemel Hempstead · Est. 2017

    BUS registeredCheckatradeGas Safe

    Fits Vaillant, Viessmann, Worcester Bosch · Reviews on Checkatrade, Facebook · Finance available

    Get a quote MCS NAP-73576
  3. 3

    Lacey Heating Ltd

    Hertford · 18+ years

    BUS registeredCheckatradeGas SafeHIES

    Fits Ideal, Vaillant · Reviews on Checkatrade, Facebook

    Get a quote MCS OFT-501373
  4. 4

    One Company Heating.

    Buntingford · Est. 2007

    BUS registeredGas SafeOFTEC

    Fits Grant, Mitsubishi, Viessmann · Reviews on Google

    Get a quote MCS C-8549
  5. 5

    Sola Renewable Company Limited

    St. Albans

    BUS registeredNAPITNICEICRECCTrustMark

    Fits Ideal, Mitsubishi, Myenergi, Tesla · Reviews on Trustpilot, Facebook

    Get a quote MCS IAA-10034
  6. 6

    Sharp Heating & Plumbing Ltd

    Hertford · Est. 2019

    BUS registeredGas SafeRECC

    Fits Aiko, Daikin, Fox ESS, Jinko · Finance available

    Get a quote MCS IAA-10247
  7. 7

    Space heating ltd

    Welwyn

    BUS registeredCheckatradeGas Safe

    Fits Ideal, Vaillant, Worcester Bosch · Reviews on Which?, Checkatrade, Facebook

    Get a quote MCS APH-47839
  8. 8

    L H Cook Plumbing, Heating and Renewables Ltd

    Ware

    BUS registeredGas SafeOFTEC

    Fits Vaillant · Reviews on Google · Finance available

    Get a quote MCS OFT-4319
  9. 9

    M&M Gas Services Ltd

    St Albans · 40+ years

    BUS registeredGas Safe

    Reviews on Which?, Facebook · Finance available

    Get a quote MCS APH-47491
  10. 10

    P J Margle Heating Ltd

    Bishops Stortford · Est. 2013

    BUS registeredOFTEC

    Fits Viessmann · Reviews on Facebook

    Get a quote MCS APH-40000
  11. 11

    Heatline Renewables Ltd

    BUS registeredGas SafeRECC

    Reviews on Facebook

    Get a quote MCS APH-47591
  12. 12

    Prime Air AC Ltd

    Watford Business Park · Est. 2007

    BUS registeredGround source

    Fits Daikin, Mitsubishi · Reviews on Facebook

    Get a quote MCS APH-47487
  13. 13

    Better Planet (UK) Ltd

    Potters Bar · Est. 2004

    BUS registeredGround source

    Fits Ideal, NIBE, Vaillant

    Get a quote MCS NIC-1137
  14. 14

    L F Heating & Plumbing Ltd

    Hoddesdon

    BUS registeredGas Safe

    Reviews on Facebook

    Get a quote MCS OFT-502114
  15. 15

    TSG Building Services Plc

    Potters Bar · Est. 2015

    BUS registeredGround source

    Reviews on Facebook

    Get a quote MCS NIC-1327
  16. 16

    Fyfield Mechanical Engineering Ltd

    Watford · 30+ years

    BUS registered

    Get a quote MCS NAP-75930
  17. 17

    Kinectid Ltd

    Welwyn

    BUS registered

    Reviews on Facebook

    Get a quote MCS NAP-65535
  18. 18

    Mylo Energy Ltd

    Watford · 40+ years

    BUS registeredGround source

    Get a quote MCS APH-47771
  19. 19

    Carbon Rewind Ltd

    Watford

    BUS registeredGround source

    Get a quote MCS APH-47385
  20. 20

    DSC Heating Limited

    Bovingdon

    BUS registered

    Get a quote MCS NIC-600249
  21. 21

    Duplex Care Ltd.

    Foxholes Business Park

    BUS registered

    Get a quote MCS APH-47671
  22. 22

    LE Heating Ltd

    Welwyn Garden City

    BUS registered

    Get a quote MCS APH-48232
  23. 23

    Stagg plumbing & heating

    Langley · Est. 2001

    Reviews on Google

    Get a quote MCS APH-46665
  24. 24

    Sustain Homes Limited

    Watford

    BUS registered

    Get a quote MCS NIC-600061
  25. 25

    Watret & Co Ltd

    St Albans · Est. 1971

    Gas Safe

    Get a quote MCS NIC-5808
  26. 26

    Orion Building Engineering Services Ltd

    Hemel Hempstead · 15+ years

    Finance available

    Get a quote MCS OFT-11363
  27. 27

    Eco Power & Lighting

    Herts

    Ground source

    Get a quote MCS NIC-2591
  28. 28

    Fortem Solutions Ltd

    Hitchin

    Get a quote MCS NIC-2706
  29. 29

    GRM Energy Ltd

    Watford

    Get a quote MCS NAP-78277

Questions

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

We list 29 MCS-certified heat pump installers based in or near Hertfordshire. MCS certification is required for the Smart Export Guarantee and the Boiler Upgrade Scheme.

How many heat pumps have been installed in Hertfordshire?

1,827 heat pumps have been fitted with Boiler Upgrade Scheme grants in Hertfordshire since May 2022, including 660 in 2025/26. These are grant-funded installs only, from government statistics.

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

23 of the 29 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 Hertfordshire fit?

The most-fitted brands among installers here are Vaillant (7 installers), Viessmann (5 installers), Ideal (4 installers), Mitsubishi (4 installers).

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