Products
Training
Support & Specification
Training
Support & Specification
Train with the experts. Install with confidence.
We’re here to support you and your business with the installation of sustainable heating solutions for all homes.
Discover our sustainable heating solutions
How can we help you today?
Are you an installer interested in joining G1?
Through the G1 Scheme, you can access extended product guarantees, rewards and more
Looking for a boiler, heat pump or something else?
Grant products include HVO compatible boilers, heat pumps, underfloor heating, solar thermal and more
Are you a specifier or property developer?
Discover how we can support you with specifying sustainable heating systems
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.
Product Spotlight
Aerona 290 Heat Pump
The Aerona 290 air-to-water heat pump is Grant’s fifth generation of heat pump, combining exceptional performance with a modern styling to provide your customers with an efficient low carbon heating solution.
- R290 refrigerant The range uses the natural and more environmentally friendly R290 refrigerant which has a Global Warming Potential of 3.
- Excellent SCOPs All of the Aerona 290 models are incredibly efficient and achieve excellent SCOPs.
- Quiet Mark Accredited The Aerona 290 incorporate sound-reducing features with every model Quiet Mark accredited.
Product Spotlight
Smart Controls
The Aerona Smart Controller is an intuitive heat pump controller which is compatible with both the Aerona³ and Aerona 290 air source heat pump ranges.
- 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
Hybrid Technologies
We supply hybrid heating products which are designed to help homes start their transition to renewables and to reduce their dependency on fossil fuels.
- Oil boiler/heat pump hybrid The VortexAir combines an Aerona³ air source heat pump with a Vortex oil boiler to provide a greener solution for boiler replacements.
- Hybrid system hub The EvoLink Hybrid System Hub enables an Aerona³ air source heat pump to be connected to an existing fossil fuel boiler, such as gas or oil.
- Best of both worlds A hybrid heating system can help hard to heat homes incorporate renewable energy into their heating with the back up of a boiler.
Why choose Grant UK as your home heating partner?
When you turn to Grant, you are working with a market leading heating manufacturer who can provide you and your customers with package heating solutions and exceptional technical support whether you are requiring a traditional oil boiler or the latest renewable heating technology.
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.
View Awards
Invested in Upskilling Heating Professionals
We are committed to delivering high quality training on heat pumps and sustainable heating technologies.
Train with us
Tailored Support from Design to Handover
Our in-house renewable heating experts are here to help you from start to finish with your projects.
Speak to our TeamPRODUCT INSIGHT – OIL BOILERS
10 year Guarantees
Grant’s Vortex oil-fired boilers are available with extended guarantees when installed by a G1 Installer, including a 10 year guarantee which is available on the Vortex Pro Internal, External and Combi models. Terms and Conditions apply.
PRODUCT SUPPORT – TRAINING
Develop your Product Knowledge
Our award-winning Training Academy and state-of-the-art facilities allow us to offer a wide range of training courses including Grant product training and industry qualifications including OFTEC and ERS.
PRODUCT SUPPORT – TECHNICAL
Post Installation Support
We have a dedicated online support hub for installers, engineers and heating professionals who maintain Grant products with post-installation support including troubleshooting advice and videos.
News & Updates from Grant UK
News Company
Grant UK Training Academy extend partnership with Coleg Sir Gâr
Coleg Sir Gâr officially opened their Green Skills Academy in late September which is a new facility at their Gelli Aur campus specialising in the delivery of renewable energy training. The facilities are being heated by an Aerona air source heat pump and other Grant renewable products are installed as part of the centre’s practical training room.
News Company
Grant UK finalists at local TBE Awards 2025
At the beginning of November, The Business Exchange South West Awards took place at the National Self Build and Renovation Centre in Swindon, Wiltshire, where Grant UK was a finalist in two categories – the Positive Business Award and Sustainable Business of the Year.
News Company
New Aerona³ ASHP Installer on-demand training course now available on Grant eLearning Academy
Grant UK has updated its online training for installers and heating engineers with the release of a new on-demand course for the Aerona³ R32 air source heat pump range. The new Grant Aerona³ ASHP Installer on-demand course includes the latest product information as well as several new course elements to deliver a more interactive learning experience.
News Company
Visit Grant UK at elementalLONDON 2025
The Excel in London will be home to elementalLONDON between 19th-20th November 2025 where over 4,000 visitors are expected to come together to see the latest innovations in the world of Net Zero. Grant UK will be attending with a stand (D42) where visitors can learn more about how Grant products and services can deliver low-carbon solutions for their businesses.
News Company
Kick The Carbon campaign with Grant UK and Bath Rugby Club makes an impact for a second year in local schools
Grant UK and Bath Rugby have completed the delivery of their Kick The Carbon campaign into primary schools for a second year. Throughout the 2024/25 season, more than 1,200 local school children took part, learning about sustainability and how we can all make changes to be more environmentally friendly.
News Case Study
Devon home modernises heating system with Aerona 290 heat pump
A Grant Aerona 290 air-to-water heat pump has been installed at a home in Holsworthy, Devon, replacing an old heat pump previously installed at the property. Using Grant’s latest generation of Smart heat pump controls, the Aerona 290 unit has upgraded the household’s heating with incredible efficiencies and modern design.
News Case Study
Grant whole house heating system installed at self-build home
An Aerona 290 air source heat pump has been installed alongside a hot water cylinder, solar thermal system and underfloor heating system all supplied by Grant UK to fulfil the space heating and hot water requirements for a new home in Cornwall. The Grant renewable heating system has provided the homeowner with a sustainable solution for their home heating, complementing the build’s wider eco-friendly ethos.
News Case Study
Aerona 290 heat pump replaces gas boiler
A heating engineer has installed a Grant Aerona 290 air source heat pump at their three-bedroom home in Corby, Northamptonshire, replacing the gas central heating system previously in place. G1 Installer, Ricky Prescott, explains what the installation involved and shares his feedback on the Grant heat pump, cylinder and smart controller now keeping his property warm.
News Industry
‘Start with Grant’: Empowering installers through lived experience of low carbon heating
Grant UK has launched a version of Nesta’s Start at Home initiative to heating engineers across England and Wales. The new programme, called Start with Grant, gives fossil fuel boiler installers who haven’t ever fitted a heat pump the opportunity to install a fully funded Grant air source heat pump system in their own home with full technical support.
News Company
Grant UK donate interactive smart screen to local school
A primary school in Wiltshire has benefitted from the addition of an interactive smart screen which has been donated by Grant UK. The smart screen has been welcomed by both the teachers and pupils, supporting the delivery of engaging learning as well as supporting the school’s wider computing programmes.
We have an app for that
Grant TechBox is exactly what its name suggests – an electronic source which stores all the Grant product technical manuals as downloads.
