2016, 2017 and 2018 ENERGY STAR® Contractor of the Year GreenSavers is a B Corp certified contractor specializing in home energy efficiency. In 2016, 2017 and 2018, the U.S. EPA and U.S. DOE chose GreenSavers from 1,450 contractors across the country as ENERGY STAR® Contractor of the Year. KNOW YOUR HOME: We'll do a full inspection of your insulation, windows, water heater, heating system, indoor air quality, solar potential, and seismic risk. GET COMFY: Our team installs windows, insulation, furnaces, air conditioners, and heat pumps to keep you warm in the winter, cool in the summer. STAY SAFE: We'll prepare you for a major earthquake, reduce radon in your home, and eliminate indoor pollutants like mold and carbon monoxide. BE EFFICIENT: We put in solar panels, high performance water heaters, and ductless heat pumps - the most efficient heating / cooling systems on the market.