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SEAI-registered installers in Cork

1,131 companies on SEAI’s registers are based in or serve Cork — 195 of them are based in the county itself (register as of 8 September 2026).

By the job you want done

Attic insulation installers in Cork

350 registered for attic insulation.

  • Ashgrove Engineering Ltd T/A Ashgrove RenewablesOne Stop ShopWebsite
  • Envirobead Ltd.One Stop ShopWebsite
  • Kilgobbin Castle Holdings Ltd t/a InsulexOne Stop ShopWebsite
  • Munster External Wall Insulation T/A SE SystemsOne Stop ShopWebsite
  • Ability Contracting Ltd
  • Aidan Mccarthy Construction Ltd
  • Anthony Coughlan Heating & Plumbing TA C&S Construction Services
  • Apex Engineering

All 350 attic insulation installers in Cork

Cavity wall insulation installers in Cork

86 registered for cavity wall insulation.

  • Ashgrove Engineering Ltd T/A Ashgrove RenewablesOne Stop ShopWebsite
  • Envirobead Ltd.One Stop ShopWebsite
  • Kilgobbin Castle Holdings Ltd t/a InsulexOne Stop ShopWebsite
  • Munster External Wall Insulation T/A SE SystemsOne Stop ShopWebsite
  • Anthony Coughlan Heating & Plumbing TA C&S Construction Services
  • C & W Insulations
  • Connolly Insulation
  • Corkery Alu-Cast Enterprises Ltd

All 86 cavity wall insulation installers in Cork

Internal wall insulation installers in Cork

330 registered for internal wall insulation.

  • Ashgrove Engineering Ltd T/A Ashgrove RenewablesOne Stop ShopWebsite
  • Envirobead Ltd.One Stop ShopWebsite
  • Kilgobbin Castle Holdings Ltd t/a InsulexOne Stop ShopWebsite
  • Munster External Wall Insulation T/A SE SystemsOne Stop ShopWebsite
  • Ability Contracting Ltd
  • Aidan Mccarthy Construction Ltd
  • Anthony Coughlan Heating & Plumbing TA C&S Construction Services
  • Apex Engineering

All 330 internal wall insulation installers in Cork

External wall insulation installers in Cork

128 registered for external wall insulation.

  • Ashgrove Engineering Ltd T/A Ashgrove RenewablesOne Stop ShopWebsite
  • Envirobead Ltd.One Stop ShopWebsite
  • Kilgobbin Castle Holdings Ltd t/a InsulexOne Stop ShopWebsite
  • Munster External Wall Insulation T/A SE SystemsOne Stop ShopWebsite
  • Ability Contracting Ltd
  • Anthony Coughlan Heating & Plumbing TA C&S Construction Services
  • B & T External Insulation & Plastering Ltd
  • C & W Insulations

All 128 external wall insulation installers in Cork

Window and door installers in Cork

271 registered for windows and doors.

  • Ashgrove Engineering Ltd T/A Ashgrove RenewablesOne Stop ShopWebsite
  • Envirobead Ltd.One Stop ShopWebsite
  • Kilgobbin Castle Holdings Ltd t/a InsulexOne Stop ShopWebsite
  • Munster External Wall Insulation T/A SE SystemsOne Stop ShopWebsite
  • 2020 Window And Glazing Systems Ltd
  • Adrian Cremin Window & Door Repairs
  • Amber Glow Premium LTD
  • Anthony Coughlan Heating & Plumbing TA C&S Construction Services

All 271 windows and doors installers in Cork

Heat pump installers in Cork

280 registered for heat pumps.

  • Ashgrove Engineering Ltd T/A Ashgrove RenewablesOne Stop ShopWebsite
  • Envirobead Ltd.One Stop ShopWebsite
  • Kilgobbin Castle Holdings Ltd t/a InsulexOne Stop ShopWebsite
  • Munster External Wall Insulation T/A SE SystemsOne Stop ShopWebsite
  • Adrian Harrington Heating & Plumbing
  • Alternative Heating & Cooling Ltd
  • Anthony Coughlan Heating & Plumbing TA C&S Construction Services
  • Best Plumbing Solution

All 280 heat pumps installers in Cork

Solar panel installers in Cork

318 registered for solar panels.

  • Ashgrove Engineering Ltd T/A Ashgrove RenewablesOne Stop ShopWebsite
  • Munster External Wall Insulation T/A SE SystemsOne Stop ShopWebsite
  • CAenergy LTD
  • Cok Electrical & Renewables LtdWebsite
  • Cronin ElectricalWebsite
  • Energywise Savings Ireland LtdWebsite
  • Future Generation Energy Ltd
  • KBER

All 318 solar panels installers in Cork

Heating controls installers in Cork

272 registered for heating controls.

  • Ashgrove Engineering Ltd T/A Ashgrove RenewablesOne Stop ShopWebsite
  • Envirobead Ltd.One Stop ShopWebsite
  • Kilgobbin Castle Holdings Ltd t/a InsulexOne Stop ShopWebsite
  • Munster External Wall Insulation T/A SE SystemsOne Stop ShopWebsite
  • Adrian Harrington Heating & Plumbing
  • Alternative Heating & Cooling Ltd
  • Anthony Coughlan Heating & Plumbing TA C&S Construction Services
  • Apex Engineering

All 272 heating controls installers in Cork

Solar hot water installers in Cork

119 registered for solar hot water.

  • Ashgrove Engineering Ltd T/A Ashgrove RenewablesOne Stop ShopWebsite
  • Envirobead Ltd.One Stop ShopWebsite
  • Kilgobbin Castle Holdings Ltd t/a InsulexOne Stop ShopWebsite
  • Munster External Wall Insulation T/A SE SystemsOne Stop ShopWebsite
  • Alternative Heating & Cooling Ltd
  • Anthony Coughlan Heating & Plumbing TA C&S Construction Services
  • Burconn
  • CA Energy Ltd

All 119 solar hot water installers in Cork

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Listed on SEAI’s public registers on 8 September 2026. Being registered is not an endorsement by SEAI or by us. Check the current register on seai.ie before you sign anything. Not affiliated with SEAI.