The Grant Vortex condensing oil boiler range comprises of the most efficient and reliable oil fired boilers in Ireland.
Our condensing boiler range is available in 22 models with outputs from 15 – 70kW. The Vortex condensing oil boiler range comes in various models including boilerhouse, outdoor, combi and utility variants.
All new Grant condensing boilers are future-proofed to use HVO by making a slight modification to the boiler. Older Grant condensing boilers can also be adapted to HVO, these modifications can be carried out by a service engineer.
For the past 40 years Grant has developed some of the most innovative and efficient oil-fired boilers in the UK and Ireland. Utilising our patented Vortex stainless steel secondary heat exchanger, Grant boilers are designed and manufactured to the highest standards so you can be confident in their durability and efficiency. We believe in simplicity, and while our technology is advanced, our boilers are low maintenance and easy to install. And with over 60 models and hundreds of different EZ-Fit flue combinations there's sure to be a solution that's right for you.