The ZeroEnergy Team enables you to quickly and easily tap into the opportunities provided by increasing the energy efficiency of your home or office. An average household pays $1,800 a year in energy bills. Making your home more energy efficient will reduce these cost by 50% or more. Energy efficient home not only use less energy, they are higher quality homes that are more pleasing to live in. In short, energy efficiency is a good investment, both from financial and quality-of-life standpoints.Energy Management Systems.