Deciding on thermal vs chemical pest control for cockroaches and bed
bugs? Heat applications applies controlled heat
for single applications, destroying all life stages through thermal kill.
Chemical treatments need repeated applications but deliver
cost-effective solutions. Heat treatment penetrates wall voids with no chemical residue, while insecticide programs apply gel baits for colony elimination.

My blog post; professional extermination approaches (harry.main.jp)https://i.ytimg.com/vi/JTRY-IxM-qg/hq720.jpg