These might be better than money on exterminator. I had them in work place once. They are bad. Make sure no rotting fruit or veggies in your bins or trash can or standing water puddles near house that is where they lay eggs.
How to get Rid of Midges | 5 Top Tips | Cleanipedia
Create a midge trap
This is super easy to do and a great way to get rid of midges that are already in your home. Put apple cider vinegar into a bowl with a few drops of washing up liquid. Midges are attracted to the smell of the mix but get stuck when they land! Don’t forget to empty and clean out the bowl, and replace the mixture every few days.
Also, saw these articles.
Midge Control: How to Get Rid of Midges | Solutions Pest & Lawn
https://www.youtube.com/watch?v=H5H84ref7eE