Russell Hobbs 650W Oil Filled Radiator, 9 Fin Portable Electric Heater - Black, Adjustable Thermostat, Safety Cut-off, 10 m sq Room Size, ‎RHOFR5002B-AZ, 2 Year Guarantee

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They also don’t dry out the air in your room as blower-equipped heaters do. To add the cherry on top of the cake, they don’t make any noise! And that isn’t all; they’re also incredibly safe because they have no exposed element, which could be a fire hazard. Some also have a built-in thermostat that lets you regulate the temperature of your room, so there’s no need to leave it on low while you sleep. Apart from the thermostat the only controls here are a three-step power dial and an old-fashioned 24-hour timer divided into 15-minute segments that you pull out for ‘on’ and push in for ‘off’. If you’re running a 1000-watts to 2500-watts radiator and it’s currently on the lowest setting, you can expect to be running in the lower range of 1000-watts (1 kilowatt per hour). Frost protection The heater can be set to heat automatically when the temperature drops below 5°C, but you'll need to have it on standby for it to run, so this can limit its usefulness.

These can still be bought, but they aren't as popular or widely available as fan or convector heaters. The most important thing is to never place anything combustible on or too close to the appliance. If using a fan heater, consider whether anything nearby can be blown over (it’s also worth noting that fan heaters should be placed in sufficient space to facilitate an airflow from behind). Also, once turned off, the convector heater will not radiate any more heat, unlike the oil radiator, which will continue to warm the surrounding air as the oil slowly cools to room temperature.

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This 2kW oil filled radiator is ideal for warming spaces up to 20 square meters, perfect for rooms up to the size of a small living room or bedroom. The 9 fins are designed for even heat distribution. Ideal for Use All Around the Home Although the comparison might make your electric heater look cheaper to run, bear in mind that it will only be heating a much smaller area, whereas your central heating will be aiming to heat your whole home. When the price of gas soars, a portable electric heater (sometimes known as a space heater) is worth considering. Used properly, with judicious use of the thermostat, they can be economical – particularly for heating bedrooms and for occasional use in the coldest parts of the house. “When gas prices are unaffordable they may help cut bills if used sparingly,” says Rob Bennett, technical service manager at Pimlico Plumbers. “But electricity is not exactly cheap at the moment either. So you’re looking for the most heating output from the lowest electricity usage.”

So, if you used this heater on the lowest 400 watt setting for 1 hour a night during off-peak times, you would be spending just 6.4p per day on your energy, that’s only 44.8p a week to heat your room. Cold air setting Some fan heaters can help cool you down too. They're not nearly as effective as a dedicated air conditioner, but a light breeze of cold air is better than nothing. Of the 41 products in the Heating and cooling category, 14 were more expensive than RUSSELL HOBBS RHOFR5002 Portable Oil-Filled Radiator and 26 were cheaper. Prices from Russell Hobbs

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You’ll need to know the size of your rooms if you want to use an oil heater. A room too big will result in waiting around while the heater attempts to deal with the amount of cooler air around it. A 1000-watt radiator running on its lowest setting will cost around 27p an hour, or 16p an hour (off-peak).

Talking of high-end choices… Cotswolds-based Everhot, chief rival to Aga, have just launched a miniature stove that we must include given that it’s the most Telegraph electric heater imaginable.They tend to be cheap to run, but some can be really slow to heat up. Most oil-filled heaters are also fairly heavy and cumbersome, so look out for models that come with wheels. According to Choose, gas central heating for a typical 24 (kWh) boiler will cost approximately 91p an hour to run. We assess how easily each electric heater can be set up and how easily understandable the controls and settings are. We used any handles to lift the heater and move it around. While some heaters can be used straight out of the box, others have complicated program and timer settings. 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. This product comes with a free one year manufacturer guarantee. A free second year guarantee is available upon registering your product.

Under current energy prices, the electric heaters we've tested can cost anything from 9p to 87p per hour to run on full blast. Some modern options also have smart features so you can program them via companion apps and smart speakers. If you have your heart set on a particular brand or even a selection of brands then we’d suggest you spend a bit of time writing up a list of the brands that you would happily buy. This can really help you in narrowing down the selection when it comes to choosing a product. For example, over at Currys PC World you can filter products by brand, so you could filter just to show the brands on your list. This is especially useful knowing that there are 41 Heating and cooling to choose from at Currys PC World. These have exposed heating elements, which heat up cold air as it passes. This often leads to slower, but more even, heating. They tend to be a little slower than fan heaters, but are quieter, and our tests found some are still pretty speedy. 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:Convector heaters are usually taller than fan heaters, but thin and light – making them larger, but still relatively easy to move between rooms.