Do I still need to change my filters if I have an Alea system? Brad December 28, 2018 18:03 Updated Yes. It is imperative to change your filter regularly and Alea will alert you to it. Related articles What is the boot depth size requirement to support Alea vents? How does Alea learn my preferences in my different rooms? Does Alea average the temperature in all the rooms in my house? Comments 0 comments Article is closed for comments.