McGahern Heating and Plumbing – Professional Heating and Plumbing Company Operating in Letterkenny & Co.Donegal

Professional Heating & Plumbing Company in Co.Donegal

Based in Letterkenny, our team of heating & plumbing experts offer our professional domestic and commercial services across entire County Donegal.

SEAI Registered

Grant-funded solutions

Grant-funded energy solutions

Fully Insured & Qualified

Peace of mind guaranteed

HOW WE CAN HELP YOU

Plumbing and Heating Solutions

Oil and Gas Boilers

Expert installation, servicing & repairs for high-efficiency oil and gas systems, allowing your home to stay warm while energy bills stay low

Heat Pumps

Improve your heating system with eco-friendly heat pumps. We install market-leading heat pumps for an efficient means to heat your home

Mechanical Ventilation Heat Recovery (MVHR)

This system provides constant ventilation. Fresh, filtered air for your home without losing your indoor warmth.

Bathroom Renovation & Disability Adaptations

Professional bathroom transformations for your style & accessibility needs. From complete upgrades to specialised mobility solutions, we cover it all!

Gas Services

Expert gas safety checks, leak detection & appliance maintenance by certified professionals. We prioritise your safety & the longevity of your gas systems.

Emergency Services

Are you based in County Donegal and have a heating or plumbing emergency? We offer a rapid emergency call out service.

GRANTS

SEAI Registered

As an SEAI-registered contractor, we help you navigate the grant application. We improve your home’s energy rating (BER) while significantly reducing your upfront installation costs through available government incentives.

DirectCash Grants

Access up to €12,500 for Heat Pump systems and significant rebates for insulation, windows, and doors

RenewableHeat Bonus

Receive a €4,000 bonus specifically for switching from an old fossil fuel boiler to a sustainable heat pump

ReducedEnergy Bills

High-efficiency upgrades may reduce annual heating costs by up to €1,000, depending on the property type

Low-CostFinancing

Access government-backed Home Energy Upgrade Loans from as little as 3% interest for projects over €5,000

COMMERCIAL SERVICES

Commercial Heating & Plumbing Services

We provide bespoke heating and plumbing solutions for business environments in Donegal. Ranging from retail units to industrial facilities, our expert team handles large-scale installations, maintenance & plant room upgrades with a focus on efficiency & minimal operational disruption. From commercial boiler servicing to complex pipework projects, we ensure your premises remain compliant & fully functional throughout the year.

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Boiler Installations

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5-Star Testionials

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Donegal-based clients

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Emergency Call-Outs

Trusted & Reliable

With many years of specialised experience in the heating and plumbing industry, we are a trusted Irish company.

"I hired McGahern Plumbing & Heating for plumbing service, and the experience was smooth. They arrived on time, explained the work clearly, and finished as promised. Great workmanship and honest pricing."

Amanda Davis

2026

"Highly recommend Shay for anything relating to plumbing and heating. Incredibly helpful and reliable. Always willing to help. Definitely recommend."

Arlene Boyles

2025

"Shay is a great plumbing and heating specialist. He came to our rescue following burst pipes, and has been our go to plumber ever since. Shay and his staff are prompt, courteous and do a grand job. Class service."

Fraoch Muirgheas-Nic Uait

2024