While major energy savings will come from plugging air leaks, improving insulation and upgrading outdated HVAC systems, there are additional steps you can take to ward off the chill.
Public schools are increasingly using savings from solar energy to upgrade facilities, help their communities, and give teachers raises — often with no cost to taxpayers.
Heat pumps aren’t usually considered war-fighting materiel, but these heating-and-cooling appliances could be almost as crucial to the defense of Ukraine as antitank and antiaircraft missiles.