Ozone will create an environment where pests settling down in the building is difficult to inhabit.
It is possible to suppress the breeding and nesting, to prevent intrusion from the outside.
According to a survey by Japan Society of animal health, it is the effective in cockroach in particular.
Related page:
No.61 Measures against freezing and frost formation in frozen warehouses 
No.24 Sanitization of kitchen 
No.16 Eradication of the air shower 
No.26 Deodorizing smell of fish preserves 
No.21 Deodorizing the smell of car 
No.25 Eradication of greenhouse 
No.22 Deodorizing the smell of tobacco 
No.23 Deodorizing the smell of mold