Use the sun to help you cool. Angela Kim 12 years ago Subscribe to our Newsletters Install a solar-powered attic fan. You can read more here. Share on: Related StoriesSo you’re ready to install solarIn "alternative energy"Puerto Rico’s solar industry wins big after hurricaneIn "business"Facebook is aiming higher to try and connect the worldIn "Facebook"Portable solar units fill the electric charging voidIn "automobile industry"Renewable energy startup aims to help Texans lower electric billsIn "electricity production"West Virginia effort to aid Puerto Rico is caught in Trump’s solar tariffsIn "disaster recovery"