In our daily lives we use energy to light our way, heat and cool our buildings and get us from place to place. To reduce your energy use and its impacts, start with knowing how much energy you use by doing an energy audit. There are lots of resources to help you do your audit.
Do-it-Yourself energy audit
See https://www.energy.gov/energysaver/home-energy-audits/do-it-yourself-home-energy-audits for assistance
Professional energy audit (could cost approximately $300)
See https://njcleanenergy.com/residential/programs/home-performance-energy-star/what-expect-home-energy-assessment for details on Home Performance with Energy Star.
See https://nj.pseg.com/saveenergyandmoney/energysavingpage/homeenergyanalyzer for a good start. This is an online energy audit which takes about 15 minutes to complete by answering questions about your home. You get a graph of your electric and natural gas usage and tips to reduce your home electric and natural gas energy use. You can save between 5% to 30% of your household energy costs by implementing the tips in the audit.