There are plants that insects do not like. Have these around doors and windows will reduce your insect problem in the house. Some of them are:
Basil
Catnip
Citronella
Garlic
Lavender
Lemon Balm
Marigolds
Pennyroyal
Peppermint
Rosemary
Scented Geranium
https://nexusnewsfeed.com/article/home-family-pets/11-fragrant-plants-that-repel-mosquitoes/