SEAI-registered installers in Leitrim
952 companies on SEAI’s registers are based in or serve Leitrim — 13 of them are based in the county itself (register as of 8 September 2026).
By the job you want done
Attic insulation installers in Leitrim
314 registered for attic insulation.
- Brendan Sammon Aughnasheelin Ltd
- C.D.M. Contracts Ltd
- Cornacloy Construction Ltd
- Dromahair Tully Construction Ltd
- Gmg Contracts Ltd
- Green Air Technologies LtdWebsite
- Horan Plumbing Ltd
- Leitrim Warmer Homes CLG
Cavity wall insulation installers in Leitrim
74 registered for cavity wall insulation.
- C.D.M. Contracts Ltd
- Leitrim Warmer Homes CLG
- 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
- Churchfield Home ServicesOne Stop Shopfrom MayoWebsite
- Cooper Insulation Ltd.One Stop Shopfrom MeathWebsite
Internal wall insulation installers in Leitrim
301 registered for internal wall insulation.
- Brendan Sammon Aughnasheelin Ltd
- C.D.M. Contracts Ltd
- Cornacloy Construction Ltd
- Dromahair Tully Construction Ltd
- Gmg Contracts Ltd
- Green Air Technologies LtdWebsite
- Leitrim Warmer Homes CLG
- McNabola Brothers.Ltd
External wall insulation installers in Leitrim
105 registered for external wall insulation.
Window and door installers in Leitrim
200 registered for windows and doors.
- Brendan Sammon Aughnasheelin Ltd
- David Donelan Ta Donelan Windows
- Grogan And Currid 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
- Churchfield Home ServicesOne Stop Shopfrom MayoWebsite
Heat pump installers in Leitrim
238 registered for heat pumps.
- Green Air Technologies LtdWebsite
- Horan Plumbing Ltd
- Leitrim Warmer Homes CLG
- 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
- Churchfield Home ServicesOne Stop Shopfrom MayoWebsite
Solar panel installers in Leitrim
293 registered for solar panels.
- Green Air Technologies LtdWebsite
- 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
- OHK Energy LTDOne Stop Shopfrom MonaghanWebsite
- 1st Choice Electrical Services LimitedWebsite
- 3D Systems Limited
Heating controls installers in Leitrim
215 registered for heating controls.
Solar hot water installers in Leitrim
90 registered for solar hot water.
- Horan Plumbing 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
- Churchfield Home ServicesOne Stop Shopfrom MayoWebsite
- Cooper Insulation Ltd.One Stop Shopfrom MeathWebsite
- Electric Ireland SuperhomesOne Stop ShopWebsite
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Get quotes in LeitrimListed 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.