Installing them can be difficult, so it is best to leave this to the professionals. Some models have a self-draining feature. They also tend to use less energy. Small models that are suitable for personal use cost as little at $50. It may be that your central heating system is struggling to keep a comfortable temperature, and needs some help. Remember that portable ACs will not be able to cool a large room. It's crucial to consider all factors when deciding which portable air conditioner will work best for your household. Easy installation is one the most important benefits of a separate AC unit. If you're unsure how much energy you need, check out this Energy Star square footage chart to determine BTUs for a given room size. The indoor unit of these ACs is installed on the flooring rather than on a wall. The tower AC should also be able to move as far as it can. They consume very little power and won't raise your utility bills. The best part is that you can store your air conditioner until the next year when you need it. In terms BTU, this unit has 10,000 BTUs of cooling power and 9000 BTUs of heating power. It does an outstanding job of keeping me cool, even when Michigan's muggy heatwaves hit. AmeriCool places the highest priority on the quality of its units and customer services. They have lower power outputs than any other AC unit that has an indoor and outdoor unit.