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The case for switching from oil or gas has never been stronger — lower running costs, generous government grants and technology that works with what you already have.
Up to €12,500The SEAI grant covers your heat pump, heating upgrades and the cost of switching from fossil fuels. As an SEAI-registered contractor, we ensure all installation work fully meets grant requirements.
Keep yourStiebel Eltron systems run at 75°C, compatible with existing radiators.
No costly full refit required.
LowerOur Claregalway customer heats 4,000 sq ft for under €20 a week, even in sub-zero temperatures
How your retrofit works
From your first call to a warm home, we assess your home, install your new system and stay with you for the life of it. One company, one point of contact, no handoffs.
We assess your home, confirm system compatibility and walk you through your options, including what grants may be available to you.
Once your grant is approved, we prepare all SEAI-compliant design calculations and sign-off paperwork so your payment claim is fully in order.
Our trained team installs your new Stiebel Eltron system to full manufacturer specification.
We test, certify and hand over your system and stay with you for annual servicing.
The SEAI grant is a government scheme that helps Irish homeowners cover the cost of switching from oil, gas or solid fuel to a heat pump. As an SEAI-registered contractor, Nutherm ensures all installation work meets grant requirements, and handles all compliance sign-off paperwork once your system is installed.
Heat pump system
Heating upgrade
Renewable heat bonus
"We'd been putting off switching from oil for years. Nutherm made it straightforward, existing radiators, no major disruption, and the running costs are well down."
"The old boiler was costing a fortune. Nutherm assessed the house, recommended the right system, and had it installed within the week. The SEAI grant process was handled for us too."
"Over five years, Nutherm have consistently delivered across a wide range of projects. Their workmanship, attention to detail, and technical coordination from design stage through to installation are exceptional. We recommend Joe and the team without hesitation."
"Nutherm were involved from the foundation stage and made the whole process seamless. The system has been running perfectly since we moved in."
"We built with Nutherm specifying the heat pump from day one. No chasing multiple contractors — one team handled everything. Exactly what you want on a self-build."
"Nutherm have been servicing our system every year since installation. One call and they're booked in, never had a problem that wasn't sorted the same day."
"Had an issue on a cold January morning. Joe's team were out within hours. That kind of response is why we've stayed with them for seven years."
"The annual service gives us complete peace of mind. They check everything, explain what they've done, and the system runs perfectly year after year."
"Nutherm handled the design, installation, and commissioning of our heat pump and heat recovery system with great professionalism and technical expertise. Always available when we had questions. Highly recommended."
"The difference in air quality since the heat recovery system was installed is noticeable immediately. No condensation, no stuffiness, the house just breathes properly now."
"We were sceptical about ventilation at first but Nutherm explained everything clearly. A year in and we wouldn't be without it."
"1st class job done by the lads in Nutherm in installing our Stiebel Eltron geothermal heat pump. They were always on time when planned and left the place clean and tidy. Would highly recommend them. Happy customers"
"The quality of workmanship was exceptional, with every detail completed to the highest standard... communication was excellent throughout...highly skilled plumbing and heating company, we would not hesitate to recommend them."
"Nutherm Galway were by far the most professional and reliable contractors we worked with. Their team went above and beyond to make sure everything was done to perfection, and we couldn't more satisfied with the results. The best tradesmen that entered our house throughout the entire project. Highly recommend them!"
"We have been a customer of Nutherm Galway since 2007. During that time, we have enjoyed a really warm and comfortable home and have always been really well looked after by the Nutherm Galway Team, whenever we needed any help."
"When it came time to replace our old geothermal system, Joe and Nutherm were our only call. They handled everything from design through to installation. The house is always comfortable, bills are significantly lower -and our daughter liked the results so much she had Nutherm install her system too." Joe Curran — May 2026
Book a free consultation and one of our engineers will visit your home, answer your questions and walk you through your options, with no obligation.
