SEAI-registered installers in Monaghan
677 companies on SEAI’s registers are based in or serve Monaghan — 35 of them are based in the county itself (register as of 8 September 2026).
By the job you want done
Attic insulation installers in Monaghan
213 registered for attic insulation.
- OHK Energy LTDOne Stop ShopWebsite
- Cunningham Mechanical Services Ltd
- Damien Babington & Sons Ltd
- Ds Fallon
- Gray Construction & Design Ltd
- Ian Clarke
- McArdle Building Contractors Ltd
- Meegan Insulations
Cavity wall insulation installers in Monaghan
51 registered for cavity wall insulation.
- OHK Energy LTDOne Stop ShopWebsite
- Meegan Insulations
- Activ8 EnergiesOne Stop ShopWebsite
- 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 Monaghan
197 registered for internal wall insulation.
- OHK Energy LTDOne Stop ShopWebsite
- Cunningham Mechanical Services Ltd
- Damien Babington & Sons Ltd
- Ds Fallon
- Gray Construction & Design Ltd
- Ian Clarke
- McArdle Building Contractors Ltd
- Meegan Insulations
External wall insulation installers in Monaghan
75 registered for external wall insulation.
- OHK Energy LTDOne Stop ShopWebsite
- Ds Fallon
- Meegan Insulations
- Activ8 EnergiesOne Stop ShopWebsite
- 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 Monaghan
137 registered for windows and doors.
- OHK Energy LTDOne Stop ShopWebsite
- Brenglaze Window Systems L T D
- Flanagan Upvc
- Inniskeen UPVC & Aluminium Ltd
- Mallon Windows & Doors
- Mcgorman Pvc Windows And Doors Ltd
- Padraic Costello Upvc Windows & Door
- T&Aglass
Heat pump installers in Monaghan
138 registered for heat pumps.
- OHK Energy LTDOne Stop ShopWebsite
- Allbrite Heatpump Specialists Ltd
- B K Plumbing & Heating
- Cunningham Mechanical Services Ltd
- Eurotech Renewables Ltd
- G Tech Mechanical Limited
- Grigheat Ltd
- Heat Pump Energi Ltd
Solar panel installers in Monaghan
278 registered for solar panels.
- OHK Energy LTDOne Stop ShopWebsite
- 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
- 1st Choice Electrical Services LimitedWebsite
- 3D Systems Limited
- A & B = New Energy Limited
Heating controls installers in Monaghan
138 registered for heating controls.
- OHK Energy LTDOne Stop ShopWebsite
- Allbrite Heatpump Specialists Ltd
- B K Plumbing & Heating
- Cunningham Mechanical Services Ltd
- Duffy Plumbing & Heating
- Eurotech Renewables Ltd
- Grigheat Ltd
- Marron Activ 8 Energies Ltd
Solar hot water installers in Monaghan
61 registered for solar hot water.
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Get quotes in MonaghanListed 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.