DOMESTIC RADIATORS
www.heatingandventilating.net
The simple answer is no. Radiators will work
Radiators still playing a major role in UK heating
Radiators are still making a substantial and everyday contribution to heating systems across the UK and Ireland with more than 90% of heating systems installed featuring radiators of one design or another
R
adiator manufacturer Stelrad continues to innovate with major new introductions to its ranges – including its first ever electric
radiator series and the first ever ‘green steel’ offering allowing purchasers to make a contribution to the race for Net Zero carbon from domestic heating in the UK for the first time. The development of lower temperature heating
systems, utilising renewable heating appliances such as air source heat pumps – raised some questions about whether radiators could provide the levels of heating and hot water required in the home. The answer is yes. It’s important that radiators are sized properly to meet the needs of each room in the home – but sizing radiators has always been key and some manufacturers, such as Stelrad, offer a free radiator sizing and heat loss calculations software. In new build housing, the heating system can be designed into the home at the outset so you know the parameters in which the heating system has to operate – the method of construction, the size of
well with heat pumps, but you will need to increase the size of the radiators to provide a larger metal surface area to heat the air in the room to the level required to provide comfort heating. You can achieve the extra boost radiators need by replacing the existing single or double panel radiators with K3 radiators that have three panels and three sets of fins – providing the additional metal surfaces you need but without increasing the radiator footprint on the wall. These combined with additional levels of insulation will work well. Radiators are very much ‘fit for the future’ but as
always, correct sizing will need to be undertaken to ensure that they keep the home warm and cosy. Radiators work well with air source heat pumps and they already are in a host of installations across the UK. Stelrad has ventured into the electric
the rooms, the number, type and size of doors and windows – so the heat loss calculations can be done up front and radiators sized accordingly. In replacement heating systems for older
properties there are additional issues. Do we need to ditch radiators altogether and look for alternatives?
marketplace. The Electric Series includes a dozen or so different models with a number of sizes of each model available, with standard radiators for any room along with a selection of towel rails specifically targeted at bathrooms and en-suites. The Electric Series is described as aesthetically appealing and provides attractive options for the décor in the home as well as coming with a five- year warranty on the heating parts and a two-year warranty on the electric components. A available from merchants from March 2024, is the new 90% Green Steel range of Compact radiators. The steel comes with a certificate from DNV – Det Norske Veritas – to prove the steel has 90% lower embodied CO2 emissions. The process for producing the steel is called Optemis Carbon Lite. Each radiator in the new range will bear a ‘Green Series’ radiator badge distinguishing them from the standard ranges and come with a green packaging label as well to make them stand out from the crowd. The new radiators will come with a new identity and strapline – “Stelrad Green Series – Made with clean green steel”. Customers purchasing a green radiator from the new Stelrad Green Series will be saving the equivalent expenditure of driving a small car over 250 miles per radiator purchased.
34 February 2024
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