The Top 10 Ways to Save Energy in 2020 | EnergySage
Aug 26, 2020#0183;#32;Upgrading to a South ENERGY STAR certification can save you up to 12% on your heating bill, or an average of 36 per year. ENERGY STAR furnaces in the northern half of the are labeled with the standard ENERGY STAR logo and are up to 16% more energy efficient