How much does Aera weigh? Follow The Aera device weighs 1.4 lbs (.63 kilos). Related articles Aera seems to include an unbelievable amount of technology! But how big is it? Could I switch back and forth between two fragrances in one room? How is Aera different from aerosol air fresheners? What are the key differences between Aera Touch and Aera Smart? Can I use multiple Aera diffusers in my home? Comments 0 comments Please sign in to leave a comment.