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Member matches use the areas installers declare they cover. Imported source listings below use recorded business locations until claimed. County results can include nearby postcode coverage; confirm your full postcode with the installer.

About these listings · source dated 20 June 2026

These 4,809 entries were imported from an MCS Air Source Heat Pump / England search. Some businesses offer additional technologies. They are historical listings, not a live MCS feed or our verified members. Check current certification before appointing an installer. This source does not include EV charger records.

93 unclaimed source listingsCompany A–Z
Directory listing

360 Heating Ltd

SG3 6FP · Hertfordshire

Air Source Heat PumpAir to Water Heat Pump

Certificate in source: NIC-600107
MCS source · 20 June 2026

Current certification not checked

View installer
Directory listing

A F Ring Consultancy Limited

AL3 7DU · Hertfordshire

Air Source Heat PumpAir to Water Heat Pump

Certificate in source: NAP-71378
MCS source · 20 June 2026

Current certification not checked

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Directory listing

Active Heating and Renewables Ltd

HP1 3PN · Hertfordshire

Air Source Heat PumpAir to Water Heat PumpBattery StorageSolar PV

Certificate in source: NIC-600922
MCS source · 20 June 2026

Current certification not checked

View installer
Directory listing

AP Plumbing and Heating

EN7 6HU · Hertfordshire

Air Source Heat PumpAir to Water Heat Pump

Certificate in source: APH-47858
MCS source · 20 June 2026

Current certification not checked

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Directory listing

Arkley Heating Ltd

EN5 2AD · Hertfordshire

Air Source Heat PumpAir to Water Heat Pump

Certificate in source: APH-48134
MCS source · 20 June 2026

Current certification not checked

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Directory listing

BeBa Energy UK Ltd.

HP2 7DA · Hertfordshire

Air Source Heat PumpSolar PV

Certificate in source: NIC-1873
MCS source · 20 June 2026

Current certification not checked

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Directory listing

Better Planet (UK) Ltd

EN6 4NQ · Hertfordshire

Air Source Heat PumpAir to Water Heat PumpExhaust Air Heat PumpSolar PV

Certificate in source: NIC-1137
MCS source · 20 June 2026

Current certification not checked

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Directory listing

BJR Electrical Ltd

WD18 8WL · Hertfordshire

Air Source Heat PumpSolar PV

Certificate in source: NIC-200260
MCS source · 20 June 2026

Current certification not checked

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Directory listing

C&A Engineering Services Ltd

AL9 5BL · Hertfordshire

Air Source Heat PumpAir to Water Heat Pump

Certificate in source: NIC-602102
MCS source · 20 June 2026

Current certification not checked

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Directory listing

Carbon Rewind Ltd

WD24 4YW · Hertfordshire

Air Source Heat PumpBattery StorageSolar PV

Certificate in source: NAP-65044
MCS source · 20 June 2026

Current certification not checked

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Directory listing

Carbon Rewind Ltd

WD24 4YW

Air Source Heat PumpAir to Water Heat PumpGround/Water Source Heat Pump

Certificate in source: APH-47385
MCS source · 20 June 2026

Current certification not checked

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Directory listing

Climate Force Ltd

EN6 4ET · Hertfordshire

Air Source Heat PumpSolar PV

Certificate in source: NAP-34441
MCS source · 20 June 2026

Current certification not checked

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Directory listing

DanBro Electrical Services

WD24 6PJ · Hertfordshire

Air Source Heat PumpBattery StorageSolar PV

Certificate in source: NIC-602264
MCS source · 20 June 2026

Current certification not checked

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Directory listing

DBC Contracting Ltd

HP2 7DX · Hertfordshire

Air Source Heat PumpSolar PV

Certificate in source: NIC-601955
MCS source · 20 June 2026

Current certification not checked

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Directory listing

DE Electrical Services Ltd

WD23 2BR · Hertfordshire

Air Source Heat PumpSolar PV

Certificate in source: NAP-65400
MCS source · 20 June 2026

Current certification not checked

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Directory listing

Drakes Renewables

AL5 4US · Hertfordshire

Air Source Heat PumpSolar PV

Certificate in source: NIC-1772
MCS source · 20 June 2026

Current certification not checked

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Directory listing

Duplex Care Ltd.

SG13 7TZ · Hertfordshire

Air Source Heat PumpAir to Water Heat Pump

Certificate in source: APH-47671
MCS source · 20 June 2026

Current certification not checked

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Directory listing

Eco Power & Lighting

SG12 7DP · Hertfordshire

Air Source Heat PumpAir to Water Heat PumpSolar PVGround/Water Source Heat Pump

Certificate in source: NIC-2591
MCS source · 20 June 2026

Current certification not checked

View installer
Directory listing

ELEC-UK LTD

RG24 8TH · Hertfordshire

Air Source Heat PumpBattery StorageSolar PV

Certificate in source: NIC-601454
MCS source · 20 June 2026

Current certification not checked

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