Human: How can I reduce my monthly energy costs? Assistant: 
One way to reduce your monthly energy costs is to make simple changes to your daily habits such as turning off lights and appliances when not in use, using energy-efficient light bulbs, and setting your thermostat to a lower temperature in winter and a higher temperature in summer. You can also install efficiency measures like energy-efficient windows, insulation, andprogrammable thermostats to further reduce your energy costs.