SEAI-registered installers in Limerick
1,144 companies on SEAI’s registers are based in or serve Limerick — 79 of them are based in the county itself (register as of 8 September 2026).
By the job you want done
Attic insulation installers in Limerick
352 registered for attic insulation.
- Aerofill Insulation
- Alc Construction Limited
- Behan Builders Shanagolden Ltd.
- Con Horgan & Sons Ltd T/A Horgan Renewables
- Connolly Building & Renovations Ltd
- Cosyfill Insulation
- Eugene Brouder
- Fmk Developments
Cavity wall insulation installers in Limerick
87 registered for cavity wall insulation.
- Cosyfill Insulation
- OG Insulation Limited
- Spreadwell Construction Ltd
- Ashgrove Engineering Ltd T/A Ashgrove RenewablesOne Stop Shopfrom CorkWebsite
- Bayview Contracts LtdOne Stop ShopWebsite
- Bord Gais Energy LtdOne Stop Shopfrom DublinWebsite
- Breffni Insulation LtdOne Stop Shopfrom CavanWebsite
- CBM Munster Construction T/A Home Energy RetrofitsOne Stop ShopWebsite
Internal wall insulation installers in Limerick
332 registered for internal wall insulation.
- Aerofill Insulation
- Alc Construction Limited
- Behan Builders Shanagolden Ltd.
- Caherass Plastering Ltd
- Con Horgan & Sons Ltd T/A Horgan Renewables
- Connolly Building & Renovations Ltd
- Cosyfill Insulation
- Eugene Brouder
External wall insulation installers in Limerick
129 registered for external wall insulation.
- Aerofill Insulation
- Cosyfill Insulation
- Madden Developments Ltd
- Novin Consultants Ltd
- RMC Ecobuild Ltd
- Spreadwell Construction Ltd
- The Best Insulation
- Ashgrove Engineering Ltd T/A Ashgrove RenewablesOne Stop Shopfrom CorkWebsite
Window and door installers in Limerick
272 registered for windows and doors.
- Ak Window Systems Ltd
- Aocwindows
- Atlas Windows And Doors Repairs
- D And J Glazing
- Foley Windows & Doors Ltd
- Garry O'Malley Windows
- GOC Windows And Doors Limited
- Granagh Windows And Doors
Heat pump installers in Limerick
281 registered for heat pumps.
- Clever Energy Solutions Ltd
- Codjack T/A Professional Plumbing Solutions
- Con Horgan & Sons Ltd T/A Horgan Renewables
- David Gardiner Plumbing & Heating Services
- Heat My Home
- Heat Tech Heating & Plumbing Ltd
- John Mulvihill Plumbing & Heating
- Leahy Mechanical Contractors Ltd
Solar panel installers in Limerick
328 registered for solar panels.
Heating controls installers in Limerick
274 registered for heating controls.
- Boiler Tech
- Carberry Heating & Plumbing Ltd
- Clever Energy Solutions Ltd
- Codjack T/A Professional Plumbing Solutions
- David Gardiner Plumbing & Heating Services
- Heat My Home
- Heat Tech Heating & Plumbing Ltd
- John Mulvihill Plumbing & Heating
Solar hot water installers in Limerick
120 registered for solar hot water.
- Clever Energy Solutions Ltd
- Codjack T/A Professional Plumbing Solutions
- David Gardiner Plumbing & Heating Services
- Heat Tech Heating & Plumbing Ltd
- Midwest Eco Energy
- O Brien Bros Plumbing & Heating Ltd
- Ashgrove Engineering Ltd T/A Ashgrove RenewablesOne Stop Shopfrom CorkWebsite
- Bayview Contracts LtdOne Stop ShopWebsite
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Get quotes in LimerickListed 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.