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