Placing a projector at the rear wall may give you the option of actually installing the projector in or behind the rear wall in a separate projection booth or compartment, or the soffit at the ceiling, resulting in a cleaner look and with potentially less noise and heat in the theater room.

Where should a projector be placed?

The projector is usually placed on the wall, right behind the home theater seating area or mounted on the ceiling just above the viewer’s head or in a dedicated cabinet at the rear. Should space allow, plan for a dedicated projection booth in your home theater room design.

How far from the wall do you mount a projector?





In this example, the specification “100”@ 8.2ft ” means that the minimum distance you will need is 8.2ft from the projector to the wall to get a 100-inch screen size, which is an ideal projector set up in a space of about 21 sq. ft to 32 sq. ft, such as a small apartment when it is needed to project a 100-inch picture.

How high can you mount a projector?

Projection Distance

Diagonal image size Min. ceiling height Distance from top of image to wall plate holes
60 inches 78.7 inches (199.8 cm) 6.9 inches (17.4 cm)
70 inches 85.0 inches (215.9 cm) 7.9 inches (20.1 cm)
80 inches 91.4 inches (232.0 cm) 9.0 inches (22.7 cm)
88 inches 96.4 inches (245.0 cm) 9.8 inches (24.9 cm)

Does projector need to be centered?

A projector does not have to be centered on the screen if the projector has the horizontal lens shift range to move the image onto the screen. Not all projectors have horizontal lens shift, which is not the same as keystone correction.

Can I put projector in corner?

You can use your projector at an angle, just be ready to make some adjustments to the image. Chances are, it will be off-center or distorted at first. This doesn’t necessarily mean that you need to move the projector, there are ways you can bring the image into focus, either with keystone correction or lens shift.

How far away does a projector need to be for a 120 inch screen?





Projection Distance

Screen or image size Projection distance (1) Minimum to Maximum Screw hole number (2)
80 inches (203 cm) 110 to 121 inches (281 to 306 cm) 4
100 inches (254 cm) 138 to 151 inches (351 to 383 cm) 3
120 inches (305 cm) 166 to 181 inches (422 to 461 inches) 2
150 inches (381 cm) 208 to 227 inches (529 to 577 cm) 1


How far away does a projector need to be for a 100-inch screen?

around 10.5ft

How Far Should a Projector Be From a 100-Inch Screen? Ideally, you should use your projector’s manual or manufacturer’s website to calculate the best distance from the screen for your particular projector. A good rule of thumb for a 100-inch screen is to have your projector between 122 and 133 inches or around 10.5ft.

What is the best distance for a projector?



The absolute “best” distance between the projector screen and room seating is hard to calculate. Instead, a general rule is that seats should be located a distance that is no less than double the width of the projected image, and no more than five times the width of the image (the furthest seat from the screen.)

How far can you offset a projector?

Offsets in the range of roughly -50% (that is, 50% down) or more are good choices for positioning a projector on a bookshelf in the back of a room. The specific offset you need will depend on the ceiling height, height of available bookshelves, screen size, and how high you position the screen on the wall.

Can you turn a projector sideways?

You can put a projector on its side but this may significantly decrease the lifespan of your projector. While almost all manufacturers say not to turn a regular projector on its side, there are now projectors being made suited for being stood in such a position.

How do you center a projector?



You should be starting with the horizontal lens shift adjustment set in its center position (your projector may have either just a vertical lens shift adjustment or both vertical and horizontal). Use the vertical lens shift adjustment to approximately center the image on the screen.

How do you align a projector mount?


Quote from Youtube video: But one side is shorter than the other to correct the projector would have to be turned to the right or left until the corner comes in line.

How do you align a ceiling mount projector?

Here are the steps to correctly adjust the image on a projector:

  1. Turn on the projector to display an image.
  2. Use the feet or lens shift to adjust the angle of the image.
  3. Use keystone correction to adjust the shape of the image.
  4. Zoom in or out to fit the screen.