The only oil boiler manufacturer to achieve Which? Best Buys for three years running

The launch of our latest oil boiler campaign has been highlighted by the announcement that the Grant Vortex Pro Utility range has been awarded a Which? Best Buy 2019! This is the third year running that Grant boilers have achieved this accolade making them the only oil boiler brand to be awarded Which? Best Buy awards in 2017, 2018 and 2019.

As a widely recognised endorsement that reflects confidence, trust and reliability in products, the Which? Best Buy logo plays an important role in the decision-making process for homeowners researching new appliances for their home.

The results of the latest Which? Oil Boiler Survey once again acknowledged the excellent build, reliability and performance qualities that have become synonymous with Grant boilers. These qualities help homeowners achieve maximum home heating efficiencies of between 92% – 97% which in turn reduces fuel bills and makes models within the Vortex range the ideal replacements for older oil-fired boilers.

This continued recognition from Which? reinforces the excellent standards to which we develop our products and reinforces our position at the forefront of the home heating industry in both the UK and Ireland.

Learn more about the Grant Vortex condensing oil boiler range here.

Think Heating. Think Grant.

Showcasing Innovative Technology at the Self-Build Live, Dublin and The Ploughing

The Grant team has wrapped up a busy summer with teams on-site at both the Self-Build Live Show in Dublin and the National Ploughing Championships in Carlow in September.

Over 40,000 visitors attended the Self-Build Live Show at the City West complex in Dublin, where they had the opportunity to learn more about our range of innovative home heating solutions including the award-winning range of Vortex condensing oil boilers, the highly efficient range of Aerona3 air source heat pumps along with our modern heat emitters offerings.

At the Self-Build Show we had our air source heat pumps on display and visitors at the stand were able to learn more about our Multiple Package Solutions offering and discuss the options available when considering a new build project. With market leading efficiencies and environmentally friendly benefits, we offer the full home heating solution and if you missed us at the Dublin show you can catch up with the team at the next Self-Build Live Show on 9th and 10th November 2019 at Millstreet in Cork. Visit us at stand C16.

Team Grant also returned to the National Ploughing Championships this month with a large display of our heating technologies and to unveil the full Aerona3 R32 air source heat pump range for the very first time. The brilliantly sunny three-day event at Ballintrane, Co. Carlow welcomed a record-breaking 297,000 guests to the exhibition area and visitors had the opportunity to get advice on the best way to heat their homes whether retrofitting and looking at upgrading a heating system to make it more efficient or indeed building a new home or deep retrofitting and seeking the full home heating solution.

Proving exceptionally popular with those building a new home or deep retrofitting was our Multiple Package Solutions offering, as visitors learned how this can help take their heating systems to a new level of efficiency. The brand-new A+++ Aerona3 R32 air source heat pump range also received a fantastic response from those at the event with many attendees showing a keen interest in the Aerona3 R32’s more environmentally-friendly refrigerant which replaces our existing air source heat pump offering. The R32 refrigerant champions a lower global warming potential than typical heat pump refrigerants and provides homeowners with an efficient sustainable home heating alternative, helping to improve a household’s overall carbon footprint.

Whether you are completing a new build project or are considering upgrading your existing home heating system, Grant is the ultimate solution for all your home heating needs.

Think Heating. Think Grant. 

Grant set to unveil entire Aerona3 R32 air source heat pump range at 2019 National Ploughing Championships

Visitors to the 2019 National Ploughing Championships, taking place 17th-19th September in County Carlow, will have the chance to view our newly-launched Grant Aerona3 R32 air source heat pumps which will be on display to the public for the first time.

The new A+++ air source heat pump range, which is available in outputs of 6kW, 10kW, 13kW and 17kW, features the more environmentally-friendly R32 refrigerant and will replace our existing air source heat pump offering. The R32 refrigerant champions a lower global warming potential than typical heat pump refrigerants and meets upcoming legislative targets outlined in the 2014 EU Greenhouse Gas (F-Gas) Regulations.

These R32 models are expected to build on the popularity of our existing Aerona3 air source heat pumps which are favoured by many self-builders seeking to achieve Part L compliance as required under building regulations. In addition to providing cleaner and more sustainable operation, the 13kW and 17kW models within the Aerona3 R32 range have received the esteemed Quiet Mark, an accolade which is only awarded to products that meet the programme’s criteria and are identified as being amongst the quietest within their given category.

The new Aerona3 R32 air source heat pump range will be on display at stand Block 3, Row 27, Stand 625 during the National Ploughing Championships along with a range of other heating products in our extensive portfolio which including award-winning condensing oil boilers, hot water cylinders and highly effective heat emitters.

When stopping by our stand, also speak to a member of the team about our new fully integrated Multiple Package Solutions offering which designs, quotes and supplies a new build property’s entire heating requirement under one roof. The free of charge service can help unlock a new level of efficiency for a property’s heating system and provide greater long-term savings for the homeowner!

Think Heating. Think Grant.

Grant attends SEAI Energy Show

A key date in our exhibition calendar, the SEAI Energy Show 2019 was a resounding success and brought together key professionals and manufacturers within the energy industry over two days at the RDS Arena in Dublin.

With an ever-growing focus on sustainability and clean energy solutions, exhibitors and attendees alike had a common goal of showcasing and discussing highly efficient renewable energy products and services from across Ireland and further afield.

This year, in addition to our ever-popular high efficiency range of Vortex condensing oil boilers and our Aerona3 air source heat pumps, the Grant team also displayed the new R32 13kW air source heat pump and Grant Solo and Grant Afinia radiator ranges – the most recent additions to our ever-growing portfolio of heating solutions.

With an impressive 4,000+ plus attendees at the show, members of the Grant team had a busy two days with visitors showing a particularly strong interest in the Aerona3 air source heat pump range. With an ErP rating of A++, the Aerona3 is a highly efficient heating solution which can deliver up to four times the amount of energy for every 1kW of electricity used and can also help to meet Part L compliance for new builds in the Republic of Ireland.

Speaking about the event, Barry Gorman from the Grant Technical Team said, “The SEAI Energy Show is always an important exhibition for us as we understand that the focus on sustainable practice and best energy efficient solutions continues to rise year on year.

“We had a lot of interest in our new A+++ 13kW R32 air source heat pump model which features R32 refrigerant gas that holds a significantly lower global warming potential (GWP) than other typical heat pump refrigerants. We look forward to the introduction of this R32 gas into all models within the Aerona3 heat pump range within the coming months. These models are a great option for those wishing to integrate renewable technology into a property.”

If you are interested in integrating renewable heating technology – such as an Aerona3 air source heat pump – into your property, contact our Technical Team for further information on efficiency outputs or avail of our free of charge heat loss calculations by emailing your project xml files to

With the SEAI Energy Show complete for another year, our team is already looking ahead to our next exhibition taking place at Plumbex Dublin in the Citywest Hotel from 29th– 30th May!

Grant introduces new model to air source heat pump range

We’re pleased to announce that we have expanded our Aerona3 air source heat pump range (ASHP) following the launch of a new 13kW model which incorporates R32 refrigerant. The Aerona3 R32 heat pump uses a more environmentally-friendly refrigerant which provides cleaner operation whilst continuing to deliver its renowned excellent performance.

Delivering an ErP rating of A+++, the Aerona3 R32 meets the growing demand for more environmentally-friendly heating products. The 2014 EU Fluorinated Greenhouse Gas (F-Gas) Regulations is legislation designed to phase out the use of hydro-fluorocarbons, with the introduction of a series of targets which are designed to limit the use of gases which have the highest Global Warming Potential (GWP). The R32 refrigerant featured in our latest 12kW model has a GWP which is considerably lower than other typical heat pump refrigerants, therefore complying with the upcoming legislative targets.

The Aerona³ R32 heat pump is not just a greener heat pump – it also has the familiar features that installers have come to associate with our Aerona3 range. The new model is a single phase, DC inverter driven ASHP incorporating in-built weather compensation and a base tray heating element to prevent ice formation, features that it shares with the existing models in the Aerona³ range. Monoblock in design, the Aerona³ R32 is suitable for use with S-Plan heating control systems and is simple to work with for installation and maintenance.

Those wishing to incorporate green technology such as an Aerona3 ASHP into a new property can also take advantage of our free of charge heat loss calculations. This service can be availed of by emailing your project plans to

The Aerona³ R32 model has a compact footprint and operates with low noise levels. It therefore has minimal impact on its surroundings both aesthetically and acoustically, something which is of great benefit to our customers. The heat pump is also available with a guarantee of up to 5 years (subject to full T&Cs and status). We understand the growing importance of environmentally-friendly and sustainable home heating and with the introduction of R32 gas into our heat pump offering, we are helping our customers lower their carbon footprint whilst enjoying the higher efficiency outputs and cleaner operation that our heat pumps champion. The introduction of R32 gas into our entire range of air source heat pumps is just one of many exciting developments in the pipeline over the coming months!

Think Heat Pumps. Think Grant.

Why Grant? Ask Which?

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!