Inspection of the whole place from inside & outside in order to determine flying insects breeding sites, entry points & rest places for them.
Treatment of flying insects’ breeding site(s).
Using Thermal fogging which kill flying insects by suffocation & repel them away from your place.
Using Ultra low volume machine (ULV) which produce minute particle size mist that spread through air & reach flying insects’ bodies to kill them.
Using Pheromone based traps & chemicals to attract flies & kill them.