You should never use a fire pit on the inside of your house at any cost. It can cause many unwanted accidents. And if not, it's going to pollute the environment for your house interior. The smoke that it produces makes it hard to breathe for the members of your house. Yet, if you want to use a fire pit inside your house, you must consider a proper ventilation system beforehand. That's going to ensure that the toxic smoke goes out of your home as soon as possible, and also rescues the chance of causing unwanted accidents.