I really cant comment on the the Thermal Wave, but bought a BlueWave a couple months ago and am very happy with it. Good vac, steady heat (230+), and reletively quiet. I don't believe the Thermal Wave gets much hotter but has a larger blower. I prefer "slide-ins" to PTO's but do not see how you an go too wrong with a BlueLine. If I remember right the ThermalWave is about 4k more than the BlueWave and isnt far off in performance.