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
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Grant Vortex External

Grant Vortex External

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

Grant Vortex Boiler House

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

Grant Vortex Indoor Combi

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

Grant Vortex Outdoor Combi

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

Grant Vortex Indoor Wall Hung

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

Grant Vortex Outdoor Wall Hung

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

Grant Euroflame Indoor Condensing

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

Grant Euroflame Outdoor Condensing

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

Grant Euroflame Boiler House

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

Over the last 5 years I have installed over 127 Grant Vortex boilers and I have never had a call out on any of these boilers, the product is 1st class, it is the only oil boiler that I recommend to householders to install. Grant boilers are trouble free and the best product in every way, the customer service from the Technical Department is 100%

Michael Allen Plumbing Limited

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