The question of what is the best way to kill gnats has lingered in the minds of many concerned homeowners. The answer to this problem depends on the kind of gnat infestation that has been bothering you. It is also dependent on the effort that you wish to put into eliminating the pests. From my reviews, it is evident that you can get a zapper, an electric gnat trap, a non-electric gnat trap, or even a solution for termination through spraying.
What you should note is that the electric traps and zappers are a little more costly than the traps that you set by yourself. This is because the electric ones require minimal effort. You only have to plug them into a power source and let them do the work for you. The traps that you have to unpeel and stick are also effective, although you have to set and then throw them away when the work is done. So, I would suggest that you pick the best gnat killer from my list depending on your preference.