Most hairdryers will have a power rating label to indicate the maximum wattage, it typically ranges from 800 to 1800 watts. The energy use of a hair dryer depends which mode it is using, unheated air can use as low as 70 watts of power. A typical hair dryer on high heat will use around 1500 watts.
See the energy consumption of a hair dryer using 1500 Watts for 10 minutes a day @ £0.19 per kWh.
Cost Per Hour: £0.2850
Cost Per Day: £0.0475
Cost Per Month: £1.44
Cost Per Year: £17.33
kWh Per Day: 0.25
Tip:Using a hair dryer on a daily bases for a short period of time will not use a significant amount of energy. Extended use of a blow dryer on high heat can cause damage to hair, you can save some energy per year if you towel dry or air dry your hair instead.