Research by the U.S. Dept. of Energy tells us that many households use twice as much energy then they should. This includes electricity, natural gas, propane, and fuel oil.
Air leaks and insufficient insulation are often the culprits of this wasted energy, as it forces your HVAC unit to work harder in order to regulate home temperatures.
If your house has any of the six symptoms listed above, then it is most likely wasting energy and needs home insulation.