It is honestly amazing what they can do with plastic in today’s world. The way technology had advanced so much, you can build just about anything out of plastic as well as make it work! It honestly shocked myself and others when I bought a modern portable space heating system as well as found that most of the thing was made of some sort of plastic! You would suppose that having a plastic heating system it would melt. But it doesn’t! It honestly amazes me, and not to mention, this portable space heating system that is built with mostly plastic heats our home pretty darn good! The portable space heating system heats our home so well that periodically it gets a bit too sizzling as well as I need to shut it off! With that kind of heat pumping through the portable space heater, you would suppose that the plastic would melt as well as your home would be on fire! But again, this is not the case! I would be honestly curious to believe what kind of plastic they use on these portable space gas gas furnaces as well as how the portable space gas gas furnaces just don’t self destruct because of the super sizzling heating coming out of it! Heating and Air Conditioning technology as well as all kinds of technology have come so far today obviously, however so if you are in the market for a new portable space heater, do not be surprised that when you open it, you find that the portable space heating system is made of mostly plastic! But trust me, it works super wonderful savor the seasoned steel as well as metal portable space heaters!