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Grant Engineering

Grant Engineering Contact Details

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About Grant Engineering

Ireland’s Leading Manufacturer of Heating Technologies

Grant Engineering is Ireland’s leading manufacturer of heating technologies and has been providing efficient and reliable heating solutions for over 40 years. Through its forward-thinking approach, innovative designs and award-winning heating products, Grant has achieved an enviable reputation within the plumbing and heating industry for high efficiency approach to new concepts. With value for money and quality that is second to none underpinning its research, design and manufacturing process, Grant is the number one choice for homeowners and installers throughout Ireland and further afield.

Innovation is at the heart of everything we do

Our diverse product portfolio includes the award-winning Vortex condensing oil boilers, highly efficient Aerona3 R32 air source heat pumps, solar thermal, pre-plumbed hot water cylinders and modern heat emitters. Heat emitters include the Afinia aluminium and Solo fan convector radiator ranges and Uflex underfloor heating which are key features of our full home heating / multiple package design, specification and supply solution.

The Grant Multiple Package Solutions offering provides those undertaking a new build or deep retrofit project the opportunity to have the property’s full heating requirements designed, quoted and supplied by our technical specialists, who can ensure optimum efficiencies by correctly sizing and combining multiple heating technologies whilst also reducing carbon emissions. To avail of this service send project plans to


All products are manufactured using the highest quality materials and are designed not just to meet, but to exceed all relevant performance and environmental standards. Our R&D team, led by Stephen Grant, is continually developing new and innovative technologies.

Vortex Oil Condensing Boilers
With 63 models available within the range including internal and external variants, the Vortex range has won many awards. In 2008 the Grant Vortex Combi was awarded a Which? Best Buy Boiler, which was the first time that an oil boiler had been recognised as a Best Buy Boiler. In 2017, 2018 and 2019 the Grant Vortex Pro Utility condensing oil boiler range was awarded a coveted Which? Best Buy - the only oil boiler on the market to be recognised over three consecutive years.

EZ-Fit Flue Range
This universal flue system suits all Grant condensing oil boilers and the latest range of EZ-Fit flues have been developed to make installation both quick and simple, whilst ensuring trouble free operation – even in the most exposed site conditions.

Aerona3 R32 Air Source Heat Pumps
The A+++ Grant Aerona3 R32 inverter driven air to water heat pumps feature weather compensation and offer a sustainable heating alternative. The range has several intelligent features including greater operating efficiencies at lower temperatures and is available in four outputs – 6kW, 10kW, 13kW and 17kW – with each model delivering exceptional performance, reliability and value. The 13kW and 17kW models are also recognised by the international award programme Quiet Mark for their quiet operation.

Sahara Solar Thermal
The Grant Sahara Solar Thermal is an excellent choice for those seeking clean and highly efficient renewable energy and has many unique components including the Sahara flat collector, multifunctional controllers with LCD displays, and various mounting arrangements.

Pre-Plumbed Hot Water Cylinder Range
These high-efficiency hot water storage solutions range are designed to heat water faster and more efficiently than standard cylinders. All pre-plumbed and pre-wired features are conveniently located to ensure quick and easy installation. The cylinders operate effectively with Grant Vortex condensing oil boilers and renewable products including the Grant Aerona3 R32 air source heat pump range.

Modern Heat Emitters
Our efficient heat emitters ranges include the Grant Uflex underfloor heating system, the Grant Afinia aluminium and Grant Solo fan convector radiator ranges. Designed and developed with the end user in mind, these heat emitters are designed and manufactured to support the overall design and architecture of the space whilst complementing the main heat source, whether that be a Vortex condensing oil boiler or a renewable heat source like the A+++ Grant Aerona3 R32 air source heat pump.

You’re in good hands
With Grant's renowned customer service, we’re with you every step of the way to ensure you find the best heating solutions to suit your requirements.

Think Heating. Think Grant.

If you are based in Northern Ireland you can email the following address:


Grant Engineering Serves The Following Areas

Tapco Roofing ProductsPipelife Ireland LtdGerard Healy Plant HireGSM Guttering & Fascia LtdRegan Tile DesignS & N GranitePremier Floor ScreedEcocelStone Systems LimitedWallace Fencing & Agri Services Ltd
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