Fan heaters can consume a lot of electricity in a short space of time, and are therefore best used in smaller and well insulated rooms. If you can afford it, the Dyson Purifier Hot+Cool Formaldehyde is a sterling choice for winter warmth and air purification. What’s more, when the summer months arrive, you can turn off the heater element and enjoy a cooling breeze instead. The only reason a fan heater might be expensive to run is because of the current high electricity prices. It may seem like the best fan heater to buy is the 750 watts one, but you have to buy the right heat output for certain size rooms, a 750 watt fan heater will be massively underpowered and not provide much heat in a 22 square meter room. The size of the room determines the fan heater you need. How to Select the Right Wattage Fan Heater to Run in a Room? Central heating costs per hour are estimated at 12p per hour for gas central heating and 13p an hour for a heat pump, according to heating expert Martyn Bridges, who is director of technical services at Worcester Bosch. This estimate is based on a three-bedroom house with two to three people living in it. Meanwhile a typical 2000W fan heater would cost 68p per hour per fan heater.

Image credit: Philips) What energy saving features should I look for when buying an electric heater? Electric heaters are more expensive to run than gas central heating, so look for features that make them as efficient as possible and help you to save energy. 1. Thermostat/climate controlIf comparing the cost of central heating per hour versus how much a typical fan heater (2000W) costs to run per hour, it is likely to be cheaper to run your central heating rather than relying on fan heaters to heat your entire home. For such a small and keenly priced unit, the Russell Hobbs comes with a variable temperature thermostat and two heat settings – 750W and 1,500W. Granted, the thermostat control is a simple dial, so it isn’t possible to set an actual room temperature, but that’s par for the course with a heater at this price. It's worth also bearing in mind that calculating the cheapest way to heat a room again depends on a number of variables, such as the size of your home and how energy-efficient it is, your heating requirements, and your energy provider. What are the disadvantages of a fan heater?

Most electric heaters will have a thermostat or climate control, meaning that when the temperature you’ve set it to is reached, it’ll maintain it. Not only does this prevent you from becoming too hot, it means you won’t have to keep turning the heater on and off. 2. Timer

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The power/energy rating (watts or kWh) will dictate the running cost per hour of any heater. The most effective way to reduce running costs is to keep the heat in, insulating and reducing draughts will help keep bills down. Low cost solutions, such as heavy curtains, blinds, draught excluders will all help. Loft and cavity wall insulation, double-glazing can dramatically reduce heating bills too. Central Heating Boilers