Most new homes come equipped with an appliance that can double your electricity costs. If we pay attention, we can prevent this.
Unaware of it, some people make certain mistakes that result in inflated bills. For instance, plugged-in appliances use electricity even when they are not in use, and so do idle laptop chargers.
The bathroom fan is one appliance that has the potential to double the bill. For ventilation, bathroom windows are typically found in older blocks; in newer construction, however, fans are typically chosen by the developers.