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 Smart Hybrid System Hub enables an Aerona³ or Aerona 290 air source heat pump to be connected to an existing system using a 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 welcomes the launch of the Warm Homes Plan
Leading heating specialist Grant UK has welcomed today’s launch of the Warm Homes Plan. The Government claims that the Plan will deliver £15bn of public investment and rollout upgrades to up to five million homes, that could save them hundreds on energy bills and help lift up to a million families out of fuel poverty by 2030.
News
Grant UK supports Wiltshire and Bath Air Ambulance with £10,000 donation
Throughout 2025, Grant UK continued its longstanding support for Wiltshire and Bath Air Ambulance, with its fundraising activities culminating in the Company donating £10,000 to this local charity to support their lifesaving work in the community.
News Company
Grant UK develop dedicated support hub for new build homeowners
Grant UK has added a new feature to the Customer Support Centre on its website. The New Build Homeowners Support hub is a dedicated area where homeowners who have moved into a new build home can learn more about the Aerona air source heat pump keeping their property warm.
News G1
G1 Installers can claim free Greggs treats from Grant UK this January
Grant UK is kickstarting its 30th anniversary celebrations with a tasty promotion for G1 Installers. Between now and 31st January 2026, G1 Installers can log into the G1 Portal to claim a free Greggs hot drink and sweet treat to enjoy and start celebrating 30 years of Grant UK heating Britain’s homes.
News Product
Introducing Grant UK’s Quick Recovery 2 Cylinders
Grant UK’s range of hot water cylinders has welcomed new models in the form of the Quick Recovery 2 (QR2) Cylinders. These latest cylinders are manufactured at Grant Engineering’s state-of-the-art facilities in Co Offaly, Ireland, marking an exciting new chapter for the Company.
News Product
The Grant EvoLink Hybrid just got Smarter
The second generation of the Grant EvoLink Hybrid System Hub has arrived – introducing EvoLink Smart. With its more compact size, the EvoLink Smart is designed for use with the intuitive Aerona Smart Controller and facilitates the installation of a Grant Aerona 290 or Aerona³ air source heat pump alongside most existing domestic heating systems.
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.
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.
