Products
Oil Boilers
Award winning Grant Vortex condensing boiler range, available in outputs from 12-70kW. Endorsed by the Energy Savings Trust, the appliances are currently some of the most efficient oil-fired boilers on the market.
Vortex Blue: Internal
- Award winning range
- Outputs of 15-21, 21-26 and 26-36kW
- 90.8 - 94.56% Space heating efficiency
Vortex Pro: Internal
- Award winning range
- Outputs ranging from 15-70kW
- 90.8 - 94.56 Space heating efficiency
Vortex Blue: External
- Award winning range
- Outputs of 15-21, 21-26 and 26-36kW
- 90.7- 93.3% Gross SAP2009 annual efficiency
Vortex Pro: External
- Award winning range
- Outputs ranging from 15-70kW
- 90.8 - 94.56% Space heating efficiency
Vortex Blue: Internal Combi
- Award winning range
- Outputs of 21, 26 and 36kW
- 90.8 - 94.56% Space heating efficiency
Vortex Pro: Internal Combi
- Award winning range
- Outputs of 21, 26 and 36kW
- 90.8 - 94.56% Space heating efficiency
Vortex Blue: External Combi
- Award winning range
- Outputs of 21, 26 and 36kW
- 90.8 - 94.56% Space heating efficiency
Vortex Pro: External Combi
- Award winning range
- Outputs of 21, 26 and 36kW
- 90.8 - 94.56% Space heating efficiency
Vortex Boiler House
- Award winning product range
- Outputs ranging from 15–70kW
- 90.06 – 92.7% Space heating efficiency
Vortex Eco: Internal Wall Hung
- Award winning range
- Outputs ranging from 12–21kW
- 90.13 – 90.52% Space heating efficiency
Vortex Eco: External Wall Hung
- Award winning range
- Outputs ranging from 12–21kW
- 90.13 – 90.52% Space heating efficiency
Vortex Eco: Internal
- Award winning range
- Outputs ranging from 15–35kW
- 91.7 – 92.4% Space heating efficiency
Vortex Eco: External
- Award winning range
- Outputs ranging from 15–35kW
- 91.7 – 92.4% Space heating efficiency
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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.
