GRANT Vortex

Ireland's Award Winning
Oil Condensing Boilers

SEAI Harp rating of A
Qualifies for SEAI Grants
Easy to install & maintain

GRANT GIVEAWAY EXTENDED TO JUNE 30TH

FREE Inhibitor with every purchase of GRANT oil boiler

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Innovation is at the heart of everything we do

Our highly efficient heating products have a reputation for quality that is second to none. We focus on providing cost effective solutions to the problem of rising energy costs. With an established history of over 35 years designing, manufacturing and supplying a wide range of highly efficient heating products, Grant has become a firm favourite for many householders and installers, when choosing a new or replacement heating system.

Ireland’s most popular oil boilers

Despite the sophisticated technology employed in the development of new products, Grant have kept true to the original concept of simplicity in installation and maintenance, which are essential ingredients of today’s heating systems. Grant oil boilers, biomass pellet boilers, hot water cylinders and solar water heaters are manufactured from the highest quality materials and designed not just to meet, but to exceed all relevant performance and environmental standards.

You’re in good hands

With our renowned customer care we’re with you every step of the way.

Homeowner Support

Our Homeowner Section has Helpful tips and FAQs, advice on incentives & grants, brochures and a list of GRANT Stockists.

Trade Support

Our Trade section has links to Technical Manuals and Data, Oil Boiler BER & Solar panel BER Spec sheets, installation advice and much more.