O'Mahony Heating and Plumbing SEAI Registered Heat Pump Installer in Cork
Contact: John O'Mahony
Grant figures confirmed against SEAI
SEAI-registered O'Mahony Heating and Plumbing Serving Cork and Surrounding Areas
O'Mahony Heating and Plumbing is an SEAI-registered heat pump installer based in Cork, covering Cork city, Carrigaline and homeowners across the county. Registered with SEAI for heat pump installation, they can carry out grant-eligible work and process your SEAI grant application directly, so you deal with the installer rather than a middleman.
Based in Cork, O'Mahony Heating and Plumbing serves homeowners across the county including Cork city, Ballincollig, Carrigaline, Midleton, Mallow, Bandon, Cobh, Fermoy, Kinsale and Macroom. Whether you are in Cork city, Carrigaline or anywhere across Cork, get in touch to discuss your renewable heating project.
Renewable heating upgrades supported by the SEAI grant scheme are open to homeowners right across Cork, whether you are replacing an ageing oil or gas boiler, adding solar, or planning a full home energy upgrade.
Send O'Mahony Heating and Plumbing an enquiry
Describe your job once. It goes straight to O'Mahony Heating and Plumbing, an SEAI-registered installer in Cork — no lead-selling, no middleman.
O'Mahony Heating and Plumbing, Common Questions
Is O'Mahony Heating and Plumbing SEAI-registered?
Yes. O'Mahony Heating and Plumbing appears on the official SEAI registered contractor database for heat pump installation in Cork, which is what allows them to carry out grant-eligible installations and process your SEAI grant application.
How do I get a quote from O'Mahony Heating and Plumbing?
Contact O'Mahony Heating and Plumbing directly using the phone number on this page. Nothing goes through us, there is no booking fee, and your details are not passed to anyone else or sold on.
What areas does O'Mahony Heating and Plumbing cover?
O'Mahony Heating and Plumbing is based in Cork and takes work across the county, including Cork city, Ballincollig, Carrigaline, Midleton, Mallow, Bandon, Cobh, Fermoy, Kinsale and Macroom. Most installers cover their whole county rather than one town, so it is worth confirming your own address when you call.
Does O'Mahony Heating and Plumbing only do heat pump installation?
On the SEAI register they are listed for heat pump installation. They may well do other work, but heat pump installation is the measure their registration covers, so it is the one they can process a grant for.
Should anything be done before the installation?
Insulation comes first on any home energy upgrade. A well-sealed house needs a smaller system and runs at a lower cost, and attic and wall insulation carry SEAI grants of their own. Ask about the fabric of the house when you speak to O'Mahony Heating and Plumbing.
What grant can I claim on work by O'Mahony Heating and Plumbing?
Because they are on the SEAI register, work carried out by O'Mahony Heating and Plumbing is grant-eligible. SEAI pays up to €12,500 for the full heat pump package as of July 2026. The installer applies on your behalf and you pay the balance after the grant is deducted.
The Other Trades a Cork Retrofit Needs
A renewable heating upgrade rarely happens on its own, and the order the work goes in decides what it costs. These are SEAI-registered trades covering Cork on our sister sites, each one worth lining up before the heating work starts rather than after.
- Before the heating work Attic and wall insulation in Cork Insulate before you heat. A well-sealed home needs a smaller heat pump and costs less to run, and insulation carries SEAI grants of its own.
- Alongside the installation Plumbers and gas installers in Cork Taking out an old oil or gas boiler, reworking the heating circuit and fitting the hot water cylinder is a registered plumber’s job, and a heat pump needs an RGI plumber to commission it.
This Installer Can Process Your SEAI Grant
O'Mahony Heating and Plumbing is registered with SEAI, which means they can manage your grant application as part of the installation process. The SEAI heat pump grant covers up to €12,500 (as of July 2026) of the installation cost. You pay the net amount after the grant is deducted, and your installer handles the paperwork.