SEAI-registered installers in Sligo
958 companies on SEAI’s registers are based in or serve Sligo — 48 of them are based in the county itself (register as of 8 September 2026).
By the job you want done
Attic insulation installers in Sligo
315 registered for attic insulation.
- Adrian Maguire T/A Abbey Insulation
- Belville Carpentry and Construction Ltd
- Bnm Construction Services Ltd
- Brendan Flynn
- Brusna Energy Solutions Ltd
- Carrowmore Construction Ltd
- Castleconnor Construction Ltd
- Clioma House Ltd
Cavity wall insulation installers in Sligo
74 registered for cavity wall insulation.
- Adrian Maguire T/A Abbey Insulation
- Brusna Energy Solutions Ltd
- John Doohan and Company 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
Internal wall insulation installers in Sligo
302 registered for internal wall insulation.
- Belville Carpentry and Construction Ltd
- Bnm Construction Services Ltd
- Brendan Flynn
- Brusna Energy Solutions Ltd
- Carrowmore Construction Ltd
- Castleconnor Construction Ltd
- CJH Construction
- Clioma House Ltd
External wall insulation installers in Sligo
105 registered for external wall insulation.
- Brusna Energy Solutions Ltd
- CJH Construction
- John Doohan and Company Ltd
- Pentico Contracting 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
Window and door installers in Sligo
200 registered for windows and doors.
- Atlantic Windows & Doors Ltd
- Bnm Construction Services Ltd
- Brusna Energy Solutions Ltd
- Denis Fahey Construction Ltd
- K&D Developments (Sligo) Ltd.
- R Mcd Home Improvements Ltd
- Raymond McSteen
- Sligo Glass Company Ltd.
Heat pump installers in Sligo
238 registered for heat pumps.
- Alex Byrne
- AMS Plumbing & Heating Specialists Ltd
- Anthony Kilcolm
- Brusna Energy Solutions Ltd
- Enviro - Therm Ltd
- Feeney Heat and Gas Ltd
- Finn Heat Pumps Limited
- Glenhill Plumbing Services
Solar panel installers in Sligo
298 registered for solar panels.
- Collery Solar
- Solektric
- 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
Heating controls installers in Sligo
215 registered for heating controls.
- AMS Plumbing & Heating Specialists Ltd
- Anthony Kilcolm
- Brusna Energy Solutions Ltd
- Feeney Heat and Gas Ltd
- Glenhill Plumbing Services
- James Lynch Plumbing & Heating Ltd
- John Hession Heating & Plumbing
- Kilian McGowan Heating & Plumbing
Solar hot water installers in Sligo
90 registered for solar hot water.
- AMS Plumbing & Heating Specialists Ltd
- Brusna Energy Solutions Ltd
- James Lynch Plumbing & Heating Ltd
- Sean Gallagher Plumbing + Heating 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
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 SligoListed 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.