Why is my eden pure blowing barely warm air?

The element is most likely burnt out. Here's a video on repairing it: http://www.youtube.com/watch?v=tSTHbLrUp...

If your EdenPURE 1000 XL is only blowing warm air, that is certainly a sign that one or more heating element bulbs need replacing. You can watch a video on this page that provides a step by step guide on replacement the heating elements in your heater. It’s very well done and the individual who provides the demonstration is an authorized edenpure parts dealer.