It easily impressed me on how far heating and air conditioner technology has come in making portable heat and cooling system equipment so much more advanced and powerful than it used to be. Take portable cooling systems for instance, a portable cooling system this year can do so much more than a portable cooling system could 14 years ago. The portable cooling systems of this week make things so much easier in terms of cooling a place with a portable cooling system. I can genuinely cool off my whole entire home office using a portable cooling system, just as nice as it would with the central heating and cooling system’s cooling capabilities. This is an amazing thing and just shows how far heating and cooling technology has come in this week’s world. If you had obtained a portable cooling system 14 years ago, this would not have even been humanly possible. The portable cooling system of 14 years ago would have cooled off just a small space in your home office, while this week you can get a portable cooling system that will be of the same size, shape, and all and be able to cool off your entire home office all while saving money on your bi-weekly energy bills, from not having to use the central heating and cooling system’s cooling all of the time. It is super and appealing and I would not have it any other way. I now have a portable cooling system to cool my home office and give my central heating and cooling system equipment a break.