We’ve been honoured to win many prestigious awards over the years. These relate to both product innovation and our service commitment to the heating industry as a whole.



National ACR & Heat Pump Awards Heat Pump Product of the Year 2018 – Highly Commended (Grant Aerona³ air source heat pump)


Which? Best Buys 2017 for all Vortex and VortexBlue oil boilers

Ireland’s Plumbing & Heating Awards 2017 Overall Achievement Award (Stephen Grant, Founder of Grant Engineering)

Ireland’s Plumbing & Heating Awards 2017 Best Marketing Campaign of the Year (Grant Engineering)

Ireland’s Plumbing & Heating Awards 2017 Manufacturer’s Representative of the Year (Joe Conroy, Grant Engineering)


Architects Choice Awards Best Renewable Product 2016 (Grant VortexAir oil boiler/ASHP hybrid)

Domestic Heating Supplies (Guernsey) Supplier of the Year 2016 (Grant UK)

Wolseley Conference Best Product Innovation 2016 (Grant VortexBlue oil boiler)

Plumbing & Heating Awards NI Innovative Product Of The Year 2016 (Grant VortexAir oil boiler/ASHP hybrid)       

Plumbing & Heating Awards NI Best Marketing Campaign 2016 (Grant Engineering) 


Heating & Renewables Awards Product Innovation of the Year 2015 (Grant Vecta Biomass Boiler)       

Heating & Renewables Awards Training Initiative of the Year 2015 (G-One Installer Scheme)       

SEAI Energy Show Overall Product of the Show Winner 2015 (Grant Vecta Biomass Boiler)

SEAI Energy Show Best Renewable Product 2015 (Grant Vecta Biomass Boiler)


Plumbing & Heating Awards Overall achievement award (Founder/Director of Grant Engineering, Stephen Grant)

OFTEC Best Website 2014


Plumbing & Heating Awards Innovative Product of the Year 2012 (Spira Biomass Boiler)

OFTEC Training Center of the Year 2012

OFTEC Innovative Product of the Year 2012 (Grant CombiSOL)

OFTEC Best Website 2012


SEAI Awards Product of the Year 2011 (Spira Biomass Boiler)


OFTEC Training Centre of the Year 2010

OFTEC Innovative Product of the Year “Runner up” 2010 (Aerona ASHP)


Ernst & Young’s Entrepreneur of the Year 2008  (Founder/Director of Grant Engineering, Stephen Grant)

OFTEC Training Centre of the Year 2008

OFTEC Green Initiative of the Year 2008

Which? Best Buy Product 2008 (Vortex Combi)

SEI Energy Services Award 2008 (Green business focus)


PHPI Top Product Award 2007 (Grant Solar Thermal)


OFTEC Training Centre of the Year 2006


OFTEC Training Centre of the Year 2005


H&V News Training Initiative of the Year 2004


H&V News Domestic Product of the Year 2003 (Vortex Boiler)

OFTEC Training Centre of the Year 2003


Grant UK increases offering to installers through revamped incentive scheme

March 2018 will see Grant UK rebrand its installer scheme with the launch of a redesigned online Portal, a new product registration app, and the introduction of a loyalty points rewards programme. In 2011, Grant UK launched an installer scheme designed to assist engineers in the field. Benefits for installersRead More

Grant UK donates £2,000 to local children’s charity

Throughout 2017, the staff at Grant UK were busy organising fundraising events for Julia’s House. From bake sales through to raffles, Grant UK’s staff helped raise £2,000 for this children’s charity whose work is based in Dorset and Wiltshire. At the beginning of 2017, Grant UK selected Julia’s House asRead More

Domestic RHI Tariff Uplifts

On 20th September 2017, the tariff rates for the Domestic Renewable Heat Incentive (RHI) are increasing for biomass boilers, air source heat pumps and ground source heat pumps. In August, the Government confirmed that the tariff rates for the Domestic RHI Scheme would be uplifted for some technologies, benefitting homeownersRead More

Changes to Domestic RHI Scheme in Spring/Summer 2017

NOTE: The election held in June 2017 meant that the proposed RHI reform regulations (detailed below) could not be laid before Parliament and come into force until after the election.  In December 2016, the Department for Business, Energy and Industrial Strategy released details regarding proposed changes to the Domestic RHIRead More