Cooler temperatures and higher fuel costs have many Hampton Roads homeowners looking for better heating solutions. Heating and cooling systems are some of the most important investments you'll ever make in your home. These systems can account for 44% of your home's energy use. The more energy efficient an appliance is, the less it costs to run and the lower your utility bills. Home sellers with modern heating and cooling systems can command top dollar for these features, as buyers will factor the heat source into any offer.