<human>: Is there any way to make a house more energy efficient?
<bot>: Yes, there are many ways to make a house more energy efficient. You can start by replacing old appliances with Energy Star certified models that use less electricity and water. Installing insulation in walls and ceilings is also an effective way to reduce energy costs. Other measures include adding solar panels or other renewable sources of energy, switching to LED lighting, using smart thermostats, and sealing air leaks around windows and doors.