Choose a room that's at least 15 feet wide and 20 feet long and you should have a good basis to start building your home theater. You may be a bit cramped if you opt to go smaller than this minimum home theater room size.

Normal range: $12,000 - $42,000. The average cost to install a home theater is $17,500 , but can range from $2,000 to $63,000 . There are a few factors involved in determining the final bill. Whether you're a cinephile, gamer, or sports fan, a home theater is a luxury and a place to gather with friends and family.

While there's no minimum room size required, a room that's at least 15 feet wide and 20 feet long is a good starting point when building your home theater. It also ensures you have enough extra space for standard theater equipment as well as optional furniture pieces like an A/V rack, bar, or an extra table.