Products

Oil Boilers

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 63 models with outputs from 12 – 70kW. Depending on the age and make of an old boiler, upgrading an old non-condensing oil boiler to a Grant Vortex condensing oil boiler can help save up to 25% on annual fuel bills.

The Vortex condensing oil boiler range comes in various models including boilerhouse, outdoor, utility and wall hung variants.

Grant Vortex Utility

Grant Vortex Utility

  • SEAI HARP efficiency 92.6% to 97%
  • Outputs from 15-70kW
View models
Grant Vortex External

Grant Vortex External

  • SEAI HARP efficiency 92.6% to 97%
  • Outputs from 15 - 70kW
View models
Grant Vortex Boiler House

Grant Vortex Boiler House

  • SEAI Harp efficiency 92.6% to 97%
  • Outputs from 15-70kW
View models
Grant Vortex Indoor Combi

Grant Vortex Indoor Combi

  • SEAI HARP efficiency 92.2% to 94.2%
  • Outputs from 26 - 36kW
View models
Grant Vortex Outdoor Combi

Grant Vortex Outdoor Combi

  • SEAI HARP Efficiency 92.2% to 94.2%
  • Outputs of 26kW & 36kW
View models
Grant Vortex Indoor Wall Hung

Grant Vortex Indoor Wall Hung

  • SEAI HARP efficiency 93.8 to 94.9%
  • Outputs from 12 - 21kW
View models
Grant Vortex Outdoor Wall Hung

Grant Vortex Outdoor Wall Hung

  • SEAI HARP efficiency 93.8% to 94.9%
  • Outputs of 12 to 21kW
View models
Grant Euroflame Indoor Condensing

Grant Euroflame Indoor Condensing

  • SEAI HARP efficiency 92.1% to 93%
  • Outputs from 15 - 36kW
View models
Grant Euroflame Outdoor Condensing

Grant Euroflame Outdoor Condensing

  • SEAI HARP efficiency 92.1% to 93%
  • Outputs of 15 to 36kW
View models
Grant Euroflame Boiler House

Grant Euroflame Boiler House

  • SEAI HARP efficiency 92.1% to 93%
  • Outputs of 15-36kW
View models

Why upgrade to a Grant oil-fired boiler?

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.

Explore the range

Compare products
/3