Certification scheme

SEAI registered installer

Installers registered with the Sustainable Energy Authority of Ireland for home-energy upgrade work such as insulation, heat pumps and solar. SEAI registration is required for many Irish home-energy grants.

Verify on the official register →

1,599tradespeople with a SEAI record in the public data we track

Based on public register and directory records collected up to 29 Jun 2026. Not an official membership count.

Check a specific trader

Thinking of hiring someone? Confirm their current SEAI status on the official register, then run their name through our Cowboy Checker to see their reviews, credentials and company record in one place.

Where SEAI holders are

IE1,590 on record
Dublin9 on record

Trades that hold it

Renewable Energy Installer · 1,334 Electrician · 34 Gas Engineer · 14 Plumber · 8 Electrician · 6Retrofit Contractor · 2Builder · 2 Bathroom Fitter · 1

SEAI holders with review evidence

These businesses hold a current SEAI record and have customer reviews we can show — a small slice of all holders, not the register itself.

K. 'O Brien Heating and PlumbingSafe_electricSouth Dublin100 reviews
Connect Plumbing & Heating LtdBathroom_fitterElder Heath View Kiltipper Dublin 24 Co. Dublin81 reviews
Gilroy heating services ltdSeaiBalbriggan48 reviews
DnL ElectricalSafe_electricPortmarnock34 reviews
AMF ElectricalSafe_electricPortmarnock25 reviews
MMK Electricians | House Rewiring IrelandSafe_electricPortobello22 reviews
Town & Country Plumbing LtdPlumberWaterford21 reviews
McTaggart InsulationBuilderLetterkenny10 reviews
Powerhouse Electrical ServicesSafe_electricTipperary2 reviews
Fahy Plumbing And ElectricalSafe_electricLouth1 reviews
TJA PlumbingPlumberKildare1 reviews

Common questions

What is SEAI registered installer?

How many tradespeople hold SEAI registered installer?

We track 1,599 tradespeople with a SEAI registered installer record, based on register and listing data collected up to 29 Jun 2026. This reflects the public records we have collected, not necessarily the scheme's complete membership.

How do I check whether a specific trader holds SEAI registered installer?

Check the official register at https://www.seai.ie/, or look the trader up on MyTrustedTraders — profiles show the credentials we have found for them, alongside reviews and other public evidence.

Keep checking

All certifications Cowboy Checker Company Health Check

We show what the public records say, with dates — a listing here is not an endorsement, and absence from our data does not mean a trader is unregistered. Always confirm current status with the scheme before you hire.