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Knowledge & Support
Explore our Knowledge Hub:
Tips & Advice Education Area Case Studies The Grant House Virtual House FAQs Glossary Visit the Knowledge HubLooking for Help & Support:
Product Support Find an Installer Find a Merchant Extended Warranties ServicePlan Product Guarantees
Ready to upgrade your heating?
Let’s find the perfect heating solution for your home with a new boiler, heat pump or hybrid.
Find the right heating solution for you
How can we help you today?
Are you looking for a new heating system?
Explore our range of efficient home heating products to find the right solution for your home.
Interested in learning about renewable home heating?
Visit our Knowledge Hub to discover more about low carbon, sustainable ways to heat your home.
Do you need support for your Grant heating system?
Access a range of online support to help you use and care for your Grant product.
Heating solutions for your home and our future.
Here at Grant UK, we are passionate about supplying sustainable and high performing heating systems which respond to the challenges of rising fuel costs and climate change. We are on a mission to provide choice for homeowners when it comes to heating their homes today and into the future, ensuring every home is kept warm efficiently with either traditional systems or renewable technologies.
Product Spotlight
Aerona 290 Heat Pump
Combining sleek design and the highly energy efficient R290 refrigerant, the Aerona 290 air source heat pumps deliver exceptional performance with an eye-catching contemporary design.
- Quiet Mark Accredited All of the Aerona 290 heat pumps have been awarded the Quiet Mark, recognising their incredibly low noise levels while operating.
- 7 year Guarantee Aerona 290 heat pumps come with a 7 year guarantee when installed by a G1 Heat Pump Installer (Terms and Conditions apply).
- Eligible for Boiler Upgrade Scheme The range is MCS approved so is eligible for grants of up to £7,500 through the Government’s Boiler Upgrade Scheme.
Product Spotlight
HVO Biofuel Boilers
All of the Grant Vortex floor standing oil boilers are HVO compatible which means they can be converted to using Hydrotreated Vegetable Oil biofuel in a few simple steps.
- Choice across the range The Vortex oil boiler range includes floor standing, wall hung, boiler house and combi boiler models.
- Up to 10 year Guarantee When installed by a G1 Oil Boiler Installer, Vortex oil boilers are available with a guarantee of up to 10 years (Terms and Conditions apply).
- Incredibly efficient Grant have been designing and manufacturing oil-fired boilers for over 40 years, developing high efficiency boilers using the latest burner technology.
our products
Complete Heating Solutions
Whether you are looking for a new boiler, a heat pump or a hybrid heating system, Grant supply the complete package including hot water cylinders and heat emitters to suit your home.
- Boilers & Renewable Systems From renewable air source heat pumps and solar thermal systems through to traditional oil boilers and hybrid solutions, the Grant product range delivers extensive choice.
- Radiators & Underfloor Heating Our underfloor heating systems and aluminium radiators are effective heat emitters which are compatible with our boilers and renewable heating systems.
- Hot Water Cylinders We supply a comprehensive selection of efficient hot water storage solutions that can suit an airing cupboard as well as supplying cabinet cylinders.
Why choose Grant UK for your home heating?
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.
Over Four Decades of Experience in Heating
Grant products have been efficiently heating homes since 1978.
Our Story
Award Winning Products and Services
We have won over 35 awards recognising our product innovation and support.
View Awards
Invested in the transition to Renewables
We are committed to reducing carbon emissions from home heating.
Make the Switch
Comprehensive Customer Support
The Grant Team strives to provide exceptional support for all our products.
Go to SupportProduct Support - Local Heating Engineers
Find a local installer
Whether you are looking for a local heating engineer to service your Grant boiler or you are researching heat pump installers near to you, our online search tool can help you find heating engineers who install, service and maintain Grant systems.
PRODUCT SUPPORT – SERVICING
Servicing your renewable system
ServicePlan from Grant UK helps you keep up to date with regular servicing for your heat pump, cylinder and solar thermal system.
News & Updates from Grant UK
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.
News Company
Join Grant UK at InstallerSHOW 2025!
InstallerSHOW 2025 is returning to the NEC, Birmingham, on 24th-26th June 2025 where Grant UK will be attending once again with an eye-catching stand, showcasing the products and support the Company offer. Visitors can grab a drink at the Too Hot to Rock bar, go head to head with Heat Beats Guitar Battle and test their heat pump and rock knowledge in the Red Hot Rock Quiz! With over 800 exhibitors, InstallerSHOW 2025 is set to be the largest show to date and Grant UK is looking forward to being a part of it with their Stand 5C40.
News Product
Grant Aerona heat pumps awarded ECO4 Substantial Innovation Measure 45% Uplift
Through the Energy Company Obligation (ECO4) Scheme, installers who fit a Grant Aerona³ or Aerona 290 air source heat pump with an Aerona Smart Controller, which have been recognised as an ECO4 Substantial Innovation Measure by OFGEM, can now access a 45% innovation measure uplift.