Go back to the wooden dresser. Use the code on the locked side panel (or the safe, depending on the version of the game). Inside, you will find a Crowbar .
Gas spawns in the Basement coal chute or the Garage floor. Do not confuse the empty jerrycan with the full one. a very full house walkthrough
You can furnish rooms in any order, but you cannot have duplicate rooms. Go back to the wooden dresser
Now that you have the Red Key, look at the large wooden dresser on the left side of the room. a very full house walkthrough