The DCE530 makes sense when you need heat away from an outlet or for short, mobile tasks. A corded heat gun is generally the better fit when stronger airflow and sustained operation matter more.
The DEWALT DCE530 is suited to several small, targeted heating jobs, including heat-shrink insulation, plastic shaping, and paint preparation. Match the task to the workpiece, and use another method when controlled or sustained heat is needed.
The P3150 can suit small heat-related tasks such as shrinking tubing, thawing pipes, and paint removal. Match the tool to the material and job size, and choose another heat source when you need a different setup.