SEAI-registered installers in Kilkenny
1,481 companies on SEAI’s registers are based in or serve Kilkenny — 41 of them are based in the county itself (register as of 8 September 2026).
By the job you want done
Attic insulation installers in Kilkenny
492 registered for attic insulation.
- All Weather Insulation
- Brendan Maher & Sons Construction Ltd
- Brian Healy Carpentry Ltd T/A Healy Construction
- Byrne & Byrne Construction
- Declan Buggy LTD
- Dowling Builders Ltd
- Ecomax Construction Services Ltd
- Elitetherm
Cavity wall insulation installers in Kilkenny
92 registered for cavity wall insulation.
- John Taylor Construction Ltd
- Activ8 EnergiesOne Stop ShopWebsite
- Ashgrove Engineering Ltd T/A Ashgrove RenewablesOne Stop Shopfrom CorkWebsite
- Aspen Eco PowerOne Stop Shopfrom LouthWebsite
- 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 Kilkenny
470 registered for internal wall insulation.
- All Weather Insulation
- Brendan Maher & Sons Construction Ltd
- Brian Healy Carpentry Ltd T/A Healy Construction
- Byrne & Byrne Construction
- Declan Buggy LTD
- DJH INSULATION LTD
- Dowling Builders Ltd
- Elitetherm
External wall insulation installers in Kilkenny
175 registered for external wall insulation.
Window and door installers in Kilkenny
384 registered for windows and doors.
- Declan Buggy LTD
- Excellence Windows & Doors Ltd
- Gathergrove Trading Ltd Ta John Ruth And Sons
- Goode Energy
- John Taylor Construction Ltd
- Mccormack Aluminium Ltd
- ML Windows
- Power-Fix Windows And Doors
Heat pump installers in Kilkenny
381 registered for heat pumps.
- Eco Cool Refrigeration Ltd
- Heat Tech Solutions Ltd
- Hickey Plumbing Contractors
- John Taylor Construction Ltd
- Johnny Hewetson Ltd
- Lennon Heating And Plumbing
- Pro Gas Ltd
- Stapleton Plumbing & Heating LTD
Solar panel installers in Kilkenny
322 registered for solar panels.
- Brian Rossiter Electrical
- Ashgrove Engineering Ltd T/A Ashgrove RenewablesOne Stop Shopfrom CorkWebsite
- Bayview Contracts LtdOne Stop ShopWebsite
- Bord Gais Energy LtdOne Stop Shopfrom DublinWebsite
- Churchfield Home ServicesOne Stop Shopfrom MayoWebsite
- Home Comfort Retrofits LtdOne Stop Shopfrom KildareWebsite
- Integrate Home Energy Upgrades LimitedOne Stop Shopfrom WicklowWebsite
- OHK Energy LTDOne Stop Shopfrom MonaghanWebsite
Heating controls installers in Kilkenny
386 registered for heating controls.
- Brendan Maher & Sons Construction Ltd
- Heat Tech Solutions Ltd
- Lennon Heating And Plumbing
- Pro Gas Ltd
- Stapleton Plumbing & Heating LTD
- Stephen Cullen
- Tallis And Co Ltd
- Vincent O'Dea Heating And Plumbing
Solar hot water installers in Kilkenny
156 registered for solar hot water.
- Heat Tech Solutions Ltd
- Stephen Cullen
- Activ8 EnergiesOne Stop ShopWebsite
- Ashgrove Engineering Ltd T/A Ashgrove RenewablesOne Stop Shopfrom CorkWebsite
- Aspen Eco PowerOne Stop Shopfrom LouthWebsite
- Bayview Contracts LtdOne Stop ShopWebsite
- Bord Gais Energy LtdOne Stop Shopfrom DublinWebsite
- Breffni Insulation LtdOne Stop Shopfrom CavanWebsite
Ask a few of them at once
Tell us about your home once and tick the companies you want to hear from. We pass your details to the ones you pick, and nobody else.
Get quotes in KilkennyListed 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.