Ultrasonic pest repeller against mice and other vermin

In this example of a common type of house the vermin that could be either mice, rats, marten, squirrel, bats, polecat, mink, badger, etc. normally will enter the building as indicated by the red arrows.

For best protection you should install your ultrasonic pest repeller in spaces where the pest first enters your house. This could be either the attic or the crawling space underneath the ground floor or in extreme cases both.

Nota Bene!
Even though mice commonly appears in the cupboard underneath the kitchen sink they always have a primary entrance in the house such as the attic or the crawling space below. Utilizing your ultrasonic pest repeller at best always try to install your device(s) in either or both of the above spaces.

Where do the mice/vermin have their primary entrance in your house?

Through the crawling space underneath the ground floor? Choose Topo Stop E250 ultrasonic pest repeller.

Through the attic? Choose Topo Stop E250 ultrasonic pest repeller.

Through both the attic and the crawling space below? Choose Topo Stop E500 ultrasonic pest repeller.

Do you only have limited vermin infestation in one or two rooms? Choose one or several Electro Cat ultrasonic pest repeller.

Choose Topo Stop R100 additionally when the entrance of the pest can´t be protected by an ultrasonic pest repeller alone.
In case you don´t have a crawling space underneath your ground floor there is a risk that the pest won´t respond as anticipated to an ultrasonic pest repeller alone. You must then also implement a resonance sound device, for instance as shown here.
Please note the 20% discount when you simultaneously or within the guarantee year buy Topo Stop R100 as an addition to either of the ultrasonic pest repeller models E250 or E500!

N.B. When you install an ultrasonic pest repeller in a single room you must consider the limitations in effect this type of installation might present. When installing an ultrasonic pest repeller in your summer house you should also consider this.

Is the crawling space underneath your house divided with one or several walls? If so there is a neat way of optimizing the reach of the sound waves from your ultrasonic pest repeller.