I tried a heated airer that dries washing for 9p an hour and it kept the room nice and toasty - Nottinghamshire Live
The best heated clothes airers to save money and energy when drying laundry, from £40 to £210
Clothes Airer 3 Tier on Wheels Black – Cheap as Chips
GlamHaus Heated Clothes Airer Digital Electric Drying Rack- 4-Tier Extendable Dryer - Eco Design with Cover for Faster Drying - Energy Efficient 300W : Amazon.co.uk: Home & Kitchen