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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The integrated handle, castors and power cable storage allow you to easily manoeuvre it around to where it’s needed most. Safety features include overheat and tip over protection, and the power indicator ensures you know when the radiator is switched on. Let’s take a look at RUSSELL HOBBS RHOFR5002 Portable Oil-Filled Radiator in more detail and see what makes it worthwhile of a review score of 9.2 out of 10.

Convector heaters consume around 2000-watts (2kWh) of electricity, which is often more than double the energy usage of an oil-filled radiator. 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. Look at the table below to get an idea of the size oil radiator you’ll need to warm your room. These are the sizes in watts your heater will need to be to control your rooms temperature. Room Size Keen to optimise home heating? See our advice on boiler controls and thermostats , smart meters , and loft insulation

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However, a 53 pence daily standing charge will also apply to all households. So you will need to calculate this if you’re trying to work out the exact figures. 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).

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. Frost protection is a common extra and sees the heater automatically switch on when the room goes below 5C.

Under current energy prices, the electric heaters we've tested can cost anything from 9p to 87p per hour to run on full blast. If you’re sitting a few feet away from this not particularly handsome oil-filled radiator, initially it’s underwhelming. The oil takes a while to warm up, plinking and plonking as it goes, and the heat that slowly emerges from the top in a “chimney” effect goes up, not out. Over time, as cool air is drawn in from beneath due to convection, the whole room heats up, but in my test it took half an hour for the temperature monitor set ten feet away to register any rise at all. The oil in the radiator acts as a heat reservoir, which stays hot for some time after the heater's switched off. Some are called 'oil-free' and function in a comparable way, just with an internal heating element instead of any oil. Try setting the thermostat to somewhere between 15°C and 20°C so you feel comfortable getting out of bed in the morning. Is it cheaper to run an oil-filled radiator than gas central heating?