How much does Aera weigh? Follow The Aera device weighs 1.4 lbs (.63 kilos). Related articles Can I use multiple Aera diffusers in my home? Aera seems to include an unbelievable amount of technology! But how big is it? What are the key differences between Aera Touch and Aera Smart? What makes Aera unique? How does Aera work? Comments 0 comments Please sign in to leave a comment.