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? Can I control the amount of fragrance released? Do I need to adjust Aera? Can I use multiple Aera diffusers in my home? How long do the fragrance capsules last? Comments 0 comments Please sign in to leave a comment.