Highlights
No chemicals; kills all stages including eggs; safe for people/pets; no residue; but no residual protection after treatment.
Superheated dry steam penetrates fabrics/cracks; consistent kill; also non-chemical; but requires slow, careful application.
Kills on contact with heat; safe and residue-free; but cannot remove debris, best combined with vacuuming.
Localized, targeted heat; safe on most materials; rooms usable immediately; lower cost than full-room heat; but cannot reach sealed voids.