I made the immense mistake of buying used portable heating plus air conditioner unit online trying to save a few bucks! This was something I should have never done. The portable air conditioner idea that I obtained worked for a whole 2 afternoons before it was broke plus not working anymore. The portable space heating system that I obtained which was used had some funny smell coming out of it when I turned it on, so I right away shut it off… Both the portable air conditioner idea plus the portable space heating system were demanded refunds plus then returned, however i do not assume what possessed myself and others to buy portable heating plus air conditioner unit that was used online. I thought that since I have obtained other used things that worked out enjoyable plus saved myself and others tons of currency I could do the same with portable air conditioner systems plus portable space heaters. But I assume not. It is just better, safer plus less hassle to spend the full amount plus go buy them in a store brand new. If you are looking to save currency, wait till there is a sale on portable space furnaces plus portable air conditioner systems. This happens from time to time everywhere, however you just need to keep your eye out to your local cable commercials plus local newspapers if you still get a physical papers. If not, study the paper online plus you can look for store ads that may have portable air conditioner systems plus portable space furnaces on sale.