Window AC / September 10, 2018 / Francoise Salmons
Side panels fill the gaps on the sides. These are also very thin so most of the sleeve is uncovered and outside. This allows for placement of ventilation louvers on the sides and top allowing free movement of air. This is the primary difference between the two types. The wide availability of louver space allows the unit to move a lot of air and this means window units can be quite powerful up to 3 tons or 36000 BTU. So window A/Cs can be effective for very large rooms. In contrast a wall air conditioner sleeve is designed for a hole through the wall. Walls vary substantially in thickness.
Many people do not know how to set up a window air conditioner and therefore just allow their homes or offices to remain sweltering during the summer. Window air conditioners are great because they are the least invasive air conditioning systems to install and can very easily be turned off or removed as is needed. They are easy to put in and should come with descriptive directions and charts. However not all directions give little tips and tricks. The first thing you should do is make sure to install it during the day. Daylight will make it easier to see what you are doing so it does not fall out of the window and it will also keep bugs from entering while the window is open.
Another huge improvement in window air conditioners is in their appearance. Older models did not blend in very well with their surroundings. They were usually some shade of brown and looked like there was a box in your window. Window air conditioners today are much less obtrusive and look less like boxes. Corners are rounded and colors are much lighter. This gives them a much sleeker look. As with most things once they have been around for awhile cost become more reasonable and less of an obstacle. A window air conditioner can be purchase for less than two hundred dollars and often not much more than one hundred dollars. Of course this is for smaller units. Costs go up as the cooling capacity of the unit increases.