SEAI-registered installers in Carlow
1,477 companies on SEAI’s registers are based in or serve Carlow — 22 of them are based in the county itself (register as of 8 September 2026).
By the job you want done
Attic insulation installers in Carlow
491 registered for attic insulation.
- Carlow Insulation Solutions
- James Phelan Construction & Carpentry Ltd
- MG Mealey Building Contractors Ltd
- Michael Phelan Oil & Gas Boiler Services
- Monarch Windows & Construction Limited
- Wallace Contracting Ltd
- Activ8 EnergiesOne Stop ShopWebsite
- Ashgrove Engineering Ltd T/A Ashgrove RenewablesOne Stop Shopfrom CorkWebsite
Cavity wall insulation installers in Carlow
92 registered for cavity wall insulation.
- Carlow Insulation Solutions
- 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 Carlow
469 registered for internal wall insulation.
- Carlow Insulation Solutions
- James Phelan Construction & Carpentry Ltd
- MG Mealey Building Contractors Ltd
- Monarch Windows & Construction Limited
- Wallace Contracting Ltd
- Activ8 EnergiesOne Stop ShopWebsite
- Ashgrove Engineering Ltd T/A Ashgrove RenewablesOne Stop Shopfrom CorkWebsite
- Aspen Eco PowerOne Stop Shopfrom LouthWebsite
External wall insulation installers in Carlow
175 registered for external wall insulation.
- Carlow Insulation Solutions
- 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
Window and door installers in Carlow
383 registered for windows and doors.
- Brealey Windows & Doors Ltd
- Brennan Glazing Services Ltd
- Darren Nolan Windows And Doors
- Eco Window Concepts Limited
- Kcb Windows And Doors
- Monarch Windows & Construction Limited
- Moyle Windows Ltd
- Nolan Glass Limited
Heat pump installers in Carlow
381 registered for heat pumps.
Solar panel installers in Carlow
319 registered for solar panels.
- Sun Arc Solar SystemsWebsite
- 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 Carlow
386 registered for heating controls.
- Brodmac
- Carlow Insulation Solutions
- DA Plumbers LTD
- Dan Fenlon Heating & Plumbing Ltd
- Edward Lyons Heating & Plumbing
- Michael Phelan Oil & Gas Boiler Services
- Paul McGrath T/A Venturi Heat Services
- Activ8 EnergiesOne Stop ShopWebsite
Solar hot water installers in Carlow
156 registered for solar hot water.
- Dan Fenlon Heating & Plumbing Ltd
- Paul McGrath T/A Venturi Heat Services
- 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
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Get quotes in CarlowListed 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.