SEAI-registered installers in Mayo
970 companies on SEAI’s registers are based in or serve Mayo — 99 of them are based in the county itself (register as of 8 September 2026).
By the job you want done
Attic insulation installers in Mayo
315 registered for attic insulation.
- Churchfield Home ServicesOne Stop ShopWebsite
- AP Building Contractors Ltd
- Beechgrove Developments Ltd
- Bluerock Property Services Limited
- Brendan Roche
- Brian Forkan Carpentry & Construction
- C S Moran Bros Builders Ltd
- Caherdun Ltd
Cavity wall insulation installers in Mayo
75 registered for cavity wall insulation.
- Churchfield Home ServicesOne Stop ShopWebsite
- Clar ICH Ltd
- Damien Ryan Contracts Ltd
- E.C.S.C Insulation Services Ltd
- Eamonn Finn
- Holmes Insulation LTD
- Moran Retrofit Solutions
- Noel Holmes Construction Ltd.
Internal wall insulation installers in Mayo
302 registered for internal wall insulation.
- Churchfield Home ServicesOne Stop ShopWebsite
- AP Building Contractors Ltd
- Beechgrove Developments Ltd
- Bluerock Property Services Limited
- Brendan Roche
- Brian Forkan Carpentry & Construction
- C S Moran Bros Builders Ltd
- Caherdun Ltd
External wall insulation installers in Mayo
106 registered for external wall insulation.
- Churchfield Home ServicesOne Stop ShopWebsite
- AP Building Contractors Ltd
- Costello Insulation LTD
- Damien Ryan Contracts Ltd
- Homergy Ltd T/AComfort Solutions Retrofit
- Moran Retrofit Solutions
- Proconstruct Limited
- Rend Master Ltd
Window and door installers in Mayo
201 registered for windows and doors.
- Churchfield Home ServicesOne Stop ShopWebsite
- AP Building Contractors Ltd
- Carrabine Joinery Ltd
- Glenham Ltd
- Holmes Insulation LTD
- Homergy Ltd T/AComfort Solutions Retrofit
- Mchale Windows Ltd
- Mcneela Windows & Doors Limited
Heat pump installers in Mayo
239 registered for heat pumps.
- Churchfield Home ServicesOne Stop ShopWebsite
- Airsol Renewable Solutions Ltd
- Castlelough Corporation Ltd
- Cathal Cawley Plumbing And Heating
- Culmore Heating & Plumbing Ltd
- Declan Gallagher Heating & Plumbing
- Derek Corcoran Heating & Plumbing
- Dika Home Maintenance
Solar panel installers in Mayo
310 registered for solar panels.
Heating controls installers in Mayo
216 registered for heating controls.
- Churchfield Home ServicesOne Stop ShopWebsite
- Castlelough Corporation Ltd
- Cathal Cawley Plumbing And Heating
- Culmore Heating & Plumbing Ltd
- Declan Gallagher Heating & Plumbing
- Derek Corcoran Heating & Plumbing
- DMC mechanical construction ltd
- EDH Construction & Maintenance
Solar hot water installers in Mayo
91 registered for solar hot water.
- Churchfield Home ServicesOne Stop ShopWebsite
- Airsol Renewable Solutions Ltd
- G. Traynor & Sons Ltd
- Gerry Mchale Plumbing & Construction Contractors
- Homergy Ltd T/AComfort Solutions Retrofit
- James Donnelly Eco Heating Ltd
- James Heneghan Electrical Plumbing And Heating
- Joe Gavin Ltd
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 MayoListed 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.