Green products. Great thinking. Grant engineering.

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Oil Boilers

Award winning Grant Vortex condensing boiler range, available in outputs from 12-70kW. Endorsed by the Energy Savings Trust, the appliances are currently some of the most efficient oil-fired boilers on the market.

Biomass Boilers

MCS approved condensing wood pellet boilers with efficiencies up to 97%, easy installation, straightforward daily operation and low maintenance. Available in outputs from 5-36kW.

Air Source Heat Pumps

Highly efficient MCS approved air to water heat pumps, featuring weather compensation and 3kW electric immersion. For a sustainable heating alternative, the Grant Aerona range delivers exceptional performance, reliability and value.

Solar Thermal

Soak up the sun and reduce fuel bills and carbon emissions with Grant Solar Thermal water heating systems, featuring high efficiency, Keymark approved collectors and on-roof, in-roof and flat-roof mounting options.

Cylinders and Thermal Stores

Grant Wave range of direct and indirect hot water storage solutions offering an eco-friendly, reliable and energy efficient solution to your hot water needs.

Energy Management Controls

Control solutions that work together to enable heating systems to operate at optimal efficiency, including weather compensation, sequence controllers, low loss headers and zone pumps.


Grant UK Hybrid products combine our award winning products in innovative ways, to create new solutions.

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Another award for Grant UK!

Grant UK won their second award in as many days when they were announced as Supplier of the Year by Domestic Heating Supplies at their 2016 Trade Show. Domestic Heating Supplies in Guernsey held their annual Trade Show this month where over fifty suppliers were invited to attend. Alongside theRead More

Grant VortexBlue takes home gold!

The Grant VortexBlue condensing oil-fired boiler range has been awarded the Most Innovative New Product of 2016 at the annual Wolseley Conference held this month. Wolseley hosted their 41st Annual Supplier Event at Oulton Hall near Leeds where company directors from throughout the heating industry were invited to celebrate theRead More

Grant Vortex oil boilers are the No.1 choice in the UK

Today, Grant Vortex oil boilers are purchased and installed more than any other oil boiler brand in the UK [Source: EUA]. Since its launch in 2002, the award winning Grant Vortex range has established itself as the leading oil-fired boiler in the eyes of installers and homeowners alike. The latestRead More

Changes to the RHI Scheme: Spring 2016

At the beginning of March 2016, the Department of Energy and Climate Change announced a number of changes to the Renewable Heat Incentive which are planned to come into force on 24th March 2016. Six key amendments are due to be introduced but further changes could also be announced. AsRead More