Is it cheaper to run a fan or air conditioner unit overnight?

The cost of keeping cool during hot weather can vary significantly between using a fan and an air conditioner, especially overnight. Research by Uswitch suggests that while air conditioners can be more effective at maintaining a comfortable temperature, they are also significantly more expensive to run than fans. This matters because the energy bills for these devices can add up quickly, especially if used continuously. Understanding these cost differences can help homeowners make more informed decisions to save money and energy during the hotter months.