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About Us
The Latest in Air Source Heat Pumps
The Grant Aerona R290 Heat Pump
Heating for the next generation.
Discover our sustainable heating solutions
Tailored support for all Grant products
Grant have been supporting professionals working in the heating sector for over four decades, providing efficient and reliable heating products to heat the homes of their customers. Alongside our supply of innovative heating technologies, we also strive to deliver comprehensive support from training and system design, through to technical support provided onsite, over the phone and online.
Quick Recovery Cylinder Range
The Grant Quick Recovery cylinder range has been developed to deliver high performance hot water as part of a complete, fully integrated heating system. Designed to work seamlessly with the Grant Aerona R290 air source heat pump, the range features high-output heat exchange coils to support fast heat-up and recovery times. Available in standard, slimline and smart pre-plumbed and integrated configurations, the range provides flexible solutions to suit a wide variety of installation requirements.
Explore the QR Cylinder Range
Product Spotlight
Aerona R290 Heat Pump
The Aerona R290 air-to-water heat pump stands out for its innovation, efficiency, and superior performance. The mono bloc heat pump combines innovation with aesthetic appeal, making it suitable for a wide range of housing projects and developments.
- Natural Refrigerant R290 The range uses the natural and more environmentally friendly refrigerant R290, which has a Global Warming Potential of 3.
- Excellent SCOPs All of the Aerona R290 models are incredibly efficient and achieve excellent SCOPs.
- Quiet Mark Accredited The Aerona R290 incorporates sound-reducing features with every model and is Quiet Mark accredited.
Product Spotlight
Smart Controls
The Aerona Smart Controller is an intuitive heat pump controller that is compatible with the Aerona R290 air source heat pump range.
- User-friendly navigation The Aerona Smart Controller’s touchscreen display is straightforward to navigate for both installers and end-users.
- Heating curve configuration Facilitates the option to independently adjust the heating curves of each zone.
- Remote monitoring Using the Aerona Smart WiFi Hub, the Aerona Smart Controller can be remotely monitored and managed.
Product Spotlight
Oil & HVO Biofuel Compatible Boilers
The Grant Vortex condensing oil boiler range comprises of some of the most efficient and reliable boilers in Ireland. All new Grant condensing boilers are future-proofed to use HVO biofuel by making a slight modification to the boiler. Older Grant condensing boilers can also be adapted to use HVO biofuel.
- Large Range Available in 22 models with outputs from 15 – 70kW.
- Variety of Models Comes in various models including boilerhouse, outdoor, combi and utility variants.
- 5 Year Guarantee One-year manufacturer's warranty with five year guarantee (T&Cs Apply).
Why choose Grant as your home heating partner?
Our award-winning range of home heating products includes HVO-compatible oil-fired boilers, air source heat pumps, and hybrid heating solutions, providing you with choice when it comes to upgrading your central heating system.
Experts in the Home Heating Sector
Since 1978, we have been designing and supplying innovative heating products.
Our Story
Award Winning Products and Training
We are proud to have won industry awards for our products, services and Training Academy.
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Invested in Upskilling Heating Professionals
We are committed to delivering high quality training on heat pumps and sustainable heating technologies.
Train with Us
Continuous Support from Design to Handover
Our in-house technical specialists are here to help you from start to finish with your projects.
Speak to Our TeamHow can we help you today?
Our Products
Looking for a boiler, heat pump or something else?
Our full range of products includes HVO Biofuel compatible boilers, heat pumps, underfloor heating, solar thermal, and more.
Training
Looking to learn how to install Grant Products?
With new products and accessories being added to the Grant range, product training courses and industry qualifications are important for all individuals working within the heating industry.
Downloads
Download the latest brochures and manuals
Get the latest Grant brochures, info sheets and manuals from our download centre
Enhancing System Intelligence with the Aerona Smart Controller Video Series
As part of Grant’s continued commitment to engineering excellence and installer support, we are pleased to announce the launch of a new series of 17 instructional videos dedicated to the Aerona Smart Controller.
News Installers
Enhancing System Intelligence with the Aerona Smart Controller Video Series
As part of Grant’s continued commitment to engineering excellence and installer support, we are pleased to announce the launch of a new series of 17 instructional videos dedicated to the Aerona Smart Controller.
News Company
Highlights of 2025
2025 was a standout year for Grant, defined by innovation, progress and collaboration. With the combined efforts of our team, installers, merchants and customers, we continued to lead the way in sustainable and renewable heating solutions, including energy-efficient heat pump technology. Here are some of our highlights from 2025;
News Company
Grant Aerona R290 heat pump wins ‘Heat Pump Product of the Year’ 2025
The Grant Aerona R290 air source heat pump has once again been recognised for excellence in sustainable heating innovation, as it was named ‘Heat Pump Product of the Year’ at Ireland’s Plumbing & Heating Awards 2025.
News
Grant showcases full range of sustainable heating technologies
The Grant team recently attended one of Ireland’s largest outdoor agricultural shows, the National Ploughing Championships, in Screggan, Tullamore, Co. Offaly to showcase the growing range of Grant heating technologies.
News
Grant welcomes landmark Renewable Heating Obligation (RHO) Report published by TAZCH
The new reports details how the Irish Government could slash residential heating emissions quickly, cheaply, without disruption to consumers and at zero cost to the taxpayer. This can be done by altering its proposed Renewable Heat Obligation (RHO) rates of 1.5% and 3% and introducing a 20% blend of renewable liquid fuels. This small change would create the equivalent carbon saving of installing 160,000 heat pumps, without the need for costly retrofitting, disruption to households, or grid upgrades.
News
Grant Aerona R290 heat pump wins award for Outstanding Innovation
The Grant Aerona R290 air source heat pump has been recognised for Outstanding Innovation at the Plumbing & Heating Awards. The judging panel was so impressed by the Aerona R290 heat pump, that a new award was created in recognition of its outstanding innovation.
News
Introducing the Grant Aerona R290 Heat Pump
Representing an investment of €2.4 Million the new Grant Aerona R290 heat pump was designed in Ireland, specifically for the Irish and UK climate and is already proving itself to be in another league in terms of innovation and efficiency and a significant addition to the Grant product portfolio. Innovative and aesthetically pleasing, the Aerona R290 mono bloc heat pump has been designed to suit many types of homes with five models available in outputs of 4kW, 6.5kW, 9kW, 12kW and 16kW.
News Installers
Two new training courses added to the Grant eLearning Academy
The Grant eLearning Academy has been offering online training to plumbers, installers, and other heating industry professionals for several years. The platform allows those in the trade to learn from the comfort of their own homes, making Grant training accessible from anywhere in the world.
News
Highlights from 2023
2023 was a year filled with dedication, collaboration and achievement for our team, partners, and customers as we continued to deliver reliability, efficiency and cost-effectiveness through our portfolio of innovative and sustainable heating technologies and home heating design service. Here are some of our highlights;
News
Grant’s fleet of vehicles make the switch from diesel to HVO
In recent months Grant has transitioned several of its distribution lorries to be fueled by renewable biofuel alternative Hydrotreated Vegetable Oil (HVO), a move which is helping us as a company reduce CO2 carbon emissions by up to 90%.