SEAI-registered installers in Roscommon
968 companies on SEAI’s registers are based in or serve Roscommon — 39 of them are based in the county itself (register as of 8 September 2026).
By the job you want done
Attic insulation installers in Roscommon
314 registered for attic insulation.
- Dermot Gately Carpentry and Construction
- Downes Construction
- Eco Smart External Insulation Ltd
- Fagan Crossmolina Limited
- John Carty & Sons Ltd
- Kh Energy Services Limited
- Lynwood Construction Ltd
- Midland Suspended Ceilings Ltd
Cavity wall insulation installers in Roscommon
74 registered for cavity wall insulation.
- Fagan Crossmolina Limited
- Midland Warmer Homes Company Limited
- Warm 'n Cosy Homes Limited
- 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
Internal wall insulation installers in Roscommon
301 registered for internal wall insulation.
- Doonshore Waterside Ltd
- Downes Construction
- Eco Smart External Insulation Ltd
- External Insulation Plastering Ltd
- John Carty & Sons Ltd
- John Crean Construction Limited
- Kh Energy Services Limited
- Lynwood Construction Ltd
External wall insulation installers in Roscommon
105 registered for external wall insulation.
- Eco Smart External Insulation Ltd
- External Insulation Plastering Ltd
- Paddy Kilduff and Sons Builders Ltd TA Kilduff Con
- 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
Window and door installers in Roscommon
200 registered for windows and doors.
- A1 Windows And Doors Limited
- Forde Brothers Ballinlough Ltd.
- Grzegorz Wolowiec
- Hanley Windows And Doors Ltd
- Martin Windows Limited
- Roscommon Windows Ltd
- Sean Doyle Windows Ltd
- Ashgrove Engineering Ltd T/A Ashgrove RenewablesOne Stop Shopfrom CorkWebsite
Heat pump installers in Roscommon
238 registered for heat pumps.
- Adrian Doorley Plumbing & Heating
- Bayside Heating Ltd
- Brian Scally Plumbing Services
- Cloverhill Renewables Ltd
- Damian Grehan Plumbing & Heating
- Duignan Plumbing Ltd
- Ecoflex Energy Ltd
- Joseph Kenny Heating & Plumbing Ltd
Solar panel installers in Roscommon
309 registered for solar panels.
- 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
- A & B = New Energy Limited
Heating controls installers in Roscommon
215 registered for heating controls.
- Adrian Doorley Plumbing & Heating
- Brian Scally Plumbing Services
- Cloverhill Renewables Ltd
- Damian Grehan Plumbing & Heating
- Duignan Plumbing Ltd
- Ecoflex Energy Ltd
- Joseph Kenny Heating & Plumbing Ltd
- Joseph Madden Heating and Plumbing Ltd
Solar hot water installers in Roscommon
90 registered for solar hot water.
- Bayside Heating Ltd
- Cloverhill Renewables Ltd
- Damian Grehan Plumbing & Heating
- Ecoflex Energy Ltd
- Mc Cormack Plumbing & Construction Ltd
- Ashgrove Engineering Ltd T/A Ashgrove RenewablesOne Stop Shopfrom CorkWebsite
- Bayview Contracts LtdOne Stop ShopWebsite
- Bord Gais Energy LtdOne Stop Shopfrom DublinWebsite
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Get quotes in RoscommonListed 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.