In the results of their 2017 boiler review, the UK’s largest independent consumer body Which? has awarded a Best Buy accolade to our entire range of Grant Vortex condensing oil fired boilers – that’s an impressive 63 Which? Best Buys! We are also the only manufacturer to receive an Oil Boiler Best Buy this year!

Our Grant Vortex Boiler range encapsulates both variety and versatility with the extensive assortment of models which are designed to fully meet the needs of both homeowners and installers alike. The range includes internal, external, wall hung, boiler house and combi models, in sizes from 12kW up to 70 kW.
Offering SEAI Harp Database efficiencies up to 97%, the Grant Vortex range is renowned for delivering some of the highest efficiencies available on the market today, helping homeowners save money on their heating bills. The Grant Vortex range is also a firm favourite with installers who benefit from the user-friendly features on each model which enables an easy installation process and hassle-free maintenance throughout the product’s lifetime.
In 2016, EUA statistics named the Grant Vortex range of condensing oil boilers as the number one selling models in the UK, and now this same range includes the only oil boilers to achieve Which? Best Buys. This is a fitting testament to Grant’s commitment to providing high quality, reliable and affordable heating products for our customers.
Think Boilers. Think Grant!