De'Longhi TRDX41025E Oil Filled Radiator, Dragon 4

Product Information

Pinning down an exact comparison of how much central heating and electric heaters cost to run is nigh-on impossible, as the factors below are just some of the variables that play a part: On the downside, this type can be quite noisy and they don't have some of the more advanced features you can get with convector heaters.

Best electric heaters 2023 - Which?

The best electric radiators you can buy in 2023 1. De’Longhi Dragon 4 TRD40820T: Best all-round electric radiatorWe buy all the electric heaters we test. We put the bestselling heaters from popular UK retailers through these tests: Heating speed, evenness, and accuracy

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Some modern options also have smart features so you can program them via companion apps and smart speakers. Use our handy calculator, which will help you figure out exactly what size of unit you require for your Buy It Direct Ltd is a limited company registered in England. Registered number 04171412. Registered office: Unit A Trident Business Park, Leeds Road, Huddersfield, West Yorkshire, HD2 1UA.Key specs – Heat output: 2kW; Controls: Adjustable thermostat; Extra features: Overheat protection, tip-over switch; Dimensions: 435 x 135 x 665mm; Weight: 9.5kg We've put electric heaters from Argos, Dimplex, DeLonghi, Dyson, Russell Hobbs and more to the test, including electric wall heaters, fan heaters, oil heaters and convectors.

Delonghi Dragon 2.5kW Oil Filled Radiator White - TRDX41025E Delonghi Dragon 2.5kW Oil Filled Radiator White - TRDX41025E

The wattage isn’t the be-all and end-all, though, as different designs will be more or less efficient at distributing heat through the room. While radiators do radiate heat, a lot of it is spread through convection and manufacturers have found a range of different approaches to improve how well this works. Oil-filled or oil-free? BTU stands for British Thermal Units and represents the level of heat a radiator provides. The required BTU level to heat your room will influence the size of your radiators. Fortunately, we offer numerous options in all shapes, styles and sizes for you to find one that's right for you. How is it calculated? Programmable timer Useful for setting a heater to turn on just before you get home or wake up, so there's no waiting around for the heater to warm up.Keen to optimise home heating? See our advice on boiler controls and thermostats , smart meters , and loft insulation We set up each heater in the centre of our test room and run it on the maximum settings, with the room starting at a cool temperature. We monitor how much the room temperature changed over the course of an hour using temperature probes. We found the most drastic changes happen in the first half an hour and increases in temperature become more incremental after that. Due to the long list of factors that come into play to calculate your central heating costs, the only way you can confidently compare a heater to your central heating is to install a smart meter. You then divide your weekly heating cost by the number of hours you have it switched on and compare that figure to the cost of running your heater.