SEAI-registered installers in Longford
1,457 companies on SEAI’s registers are based in or serve Longford — 23 of them are based in the county itself (register as of 8 September 2026).
By the job you want done
Attic insulation installers in Longford
488 registered for attic insulation.
- Barry Kiernan Construction Ltd
- Dt Gorman Developments Ltd
- Eco Home Insulation
- Gary Smyth Construction And Services Limited
- Kilsarn Warmer Homes
- Mc Elligott Heating & Plumbing Limited
- Megron Ltd
- Shane Muldoon Construction Ltd
Cavity wall insulation installers in Longford
88 registered for cavity wall insulation.
- Eco Home Insulation
- 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
- Churchfield Home ServicesOne Stop Shopfrom MayoWebsite
Internal wall insulation installers in Longford
466 registered for internal wall insulation.
- Barry Kiernan Construction Ltd
- Dt Gorman Developments Ltd
- Eco Home Insulation
- Gary Smyth Construction And Services Limited
- Kilsarn Warmer Homes
- Megron Ltd
- Shane Muldoon Construction Ltd
- T & S Mckeon Homes Ltd
External wall insulation installers in Longford
171 registered for external wall insulation.
- Kilsarn Warmer Homes
- 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
- Churchfield Home ServicesOne Stop Shopfrom MayoWebsite
Window and door installers in Longford
379 registered for windows and doors.
Heat pump installers in Longford
378 registered for heat pumps.
- Ballydowd Homes Ltd
- Corriplumb Ltd
- Eco Heat Renewable Plumbing Ltd
- Justin Hopkins Heating And Plumbing Ltd
- KC Mechanical Services
- Loughawn Heating Ltd
- Mc Elligott Heating & Plumbing Limited
- MFG Construction Ltd
Solar panel installers in Longford
303 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
- Home Comfort Retrofits LtdOne Stop Shopfrom KildareWebsite
- Integrate Home Energy Upgrades LimitedOne Stop Shopfrom WicklowWebsite
- OHK Energy LTDOne Stop Shopfrom MonaghanWebsite
- 1st Choice Electrical Services LimitedWebsite
Heating controls installers in Longford
383 registered for heating controls.
- Ballydowd Homes Ltd
- Corriplumb Ltd
- Eco Heat Renewable Plumbing Ltd
- Justin Hopkins Heating And Plumbing Ltd
- KC Mechanical Services
- Loughawn Heating Ltd
- Mc Elligott Heating & Plumbing Limited
- MFG Construction Ltd
Solar hot water installers in Longford
153 registered for solar hot water.
- Ballydowd Homes Ltd
- Justin Hopkins Heating And Plumbing Ltd
- Mc Elligott Heating & Plumbing Limited
- 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
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Get quotes in LongfordListed 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.