A Simple Key For how to reduce electricity bill in sri lanka Unveiled
Go away interior doorways open up and don’t close vents to allow satisfactory air flow by way of your HVAC system.Examine your air and furnace filters each and every month when in use. Switch them at the least every a few months. Soiled filters make your technique operate tougher.If your utility offers a time-of-use system, set your thermostat to