Powering Ireland’s
clean energy future.

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NetZero Group is a powerful collaboration of eight leading Irish companies.

Our combined track record speaks for itself – consistently providing high-quality renewable energy solutions, on time and within budget, making us the trusted partner for your  sustainable, low-carbon future.

End-to-end
expertise

Over 350 expert engineers, operatives & installers nationwide

Excellence
at scale

Over 5000 heat pumps installed across Ireland in 2024

Seamless service
delivery

Over 16,000 service maintenance call outs completed in 2024

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What we do

NetZero Group brings together decades of experience in sustainable energy, delivering energy efficiency and retrofit projects that reduce costs and carbon emissions – accelerating the shift toward greener, more efficient buildings across Ireland.

Heat Pumps

Efficient renewable heating and cooling systems that reduce energy bills.

HVAC

Integrated systems controlling heating, ventilation and air conditioning efficiently.

Energy Retrofits

Materials that prevent heat loss and improve building energy performance.

Solar

Harnessing sunlight with panels to generate clean, sustainable electricity.

Delivering solutions at every scale

As Ireland moves towards a more sustainable, energy-efficient future, the demand for expert delivery is growing across new developments, large-scale regeneration, retrofits and home energy upgrades. NetZero Group provides solutions that combine technical know-how with smart design, value engineering and a coordinated approach. This ensures long-term impact and maximises the value of every project.

Large scale developers

Empowering developers to deliver sustainable, efficient projects with lasting value and impact.

Specialist and smaller scale developments

Partnering with smaller developers to provide smart, scalable and sustainable energy solutions.

Local authorities and approved housing bodies

Delivering integrated energy upgrades that support low-energy retrofits for public housing.

Residential

Helping homeowners switch to affordable, sustainable energy through insulation, heat pumps and solar.

Large scale developers

Empowering developers to deliver sustainable, efficient projects with lasting value and impact.

Specialist & smaller scale developments

Partnering with smaller developers to provide smart, scalable and sustainable energy solutions.

Local authorities and approved housing bodies

Delivering integrated energy upgrades that support low-energy retrofits for public housing.

Residential

Helping homeowners switch to affordable, sustainable energy through insulation, heat pumps and solar.

Who We Are

Together, our group of companies is uniquely placed to deliver a more sustainable future.

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Mechanical engineering project and maintenance services.

O'CONNOR

Plumbing and heating services, including system design and installation.

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Home energy upgrade solutions including SEAI One Stop Shop.

HOMETHERM

Insulation, heating and plumbing.

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Supply, install, service and repair heating, cooling and energy systems.

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Solar PV systems for residential and commercial installations.

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Maintenance of heat pumps, heating and ventilation systems together with Solar PV installations.

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Energy efficiency, construction, insulation, heating and ventilation design and installation.

The future’s sustainable

Talk to us today about turnkey solutions that reduce carbon, cut costs and boost building performance.

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