Welcome.I hope this a text and video Solution useful.Start this game
1) plug in the heater and click the left switch.
2) take the icecube from the right cabinet above couch then stick it in the heater
3) Take the key and use it on the left 2 cabinets below the heater (top and bottom)
4) there should be a circle puzzle and a wooden puzzle. it's pretty easy. For the circle puzzle just click on all the arm thingys until they can't move anymore and you should get a key. For the wooden puzzle just click until all the wooden sticks fall off and get another key.
5) Use the keys on the cabinets underneath the couch. You should get an iron rod and a welding torch
6) use the iron rod to chip away the 4 corners of the ice cube that's located on the left side cabinet above the couch.
7) take the ice cube and put it in the heater to get another key
8) The key opens the bottom right cabinet that's below the heater
9) This should reveal an 8 sided puzzle.
10) For this puzzle just click on the 3 triangles that makes the whole side light up. Click on the same triangles on each side until the thing opens up to reveal a key.
11) the key opens the safe which gives you the gas can.
12) assemble the torch and gas can
13) melt the key next to the door
14) get the key and escape
Source: Escaping Games