According to feng shui expert gayle smith placing a mirror can bring in the outside which is a good thing.
Where to put mirror in living room feng shui.
A mirror in the main entry is usually good feng shui for several reasons it brings more light into the often small entry it works on a practical level to check your look before leaving home and it can also add a touch of luxury if the mirror frame is glamorous or unique.
Just make sure the mirror does not reflect the entrance or any other door and window.
Square or rectangular mirrors are generally thought to be best for creating good feng shui.
In the living room for instance you can place a rectangular mirror horizontally above the couch.
Mirror reflecting the food on dining table doubles the food which symbolises abundance and wealth.
Try to avoid using round or oval shaped mirrors in your home.
Correct being out of command.
According to feng shui mirrors placed in the hallway are generally seen as a positive.
Hang a mirror near your desk.
If you lay the feng shui bagua map on your space and there is a missing or weak area placing a mirror in that area facing into your space and the back facing toward the missing or weak area will help to energetically expand and strengthen the missing or weak area.
However this is not recommended if there are any sort of bad forms outside the window because the mirror can bring those negative energies inside.
On the other hand they can be great on landings of small staircases to help widen the space.
Use square or rectangular mirrors.
Mirrors are best placed in the living and dining areas.