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? How does Aera work? What makes Aera unique? Fragrance FAQs Comments 0 comments Please sign in to leave a comment.