Choosing between a central A/C in a window A/C component really comes down to many factors.
Obviously, a single should consider how much money it is going to cost and whether that cost is justified.
What does it cost to Justified also ties into how efficient either style of component would be in your identifiable situation. How efficiently an A/C runs also depends on a few factors. Generally speaking, the bigger the room, the more powerful the A/C component needs to be. Obviously, the warmer the temperature, the harder the A/C will have to work to heat the room! Central A/C units are far more fancy than window units.Installation is also longer and more complicated. A lot more needs to be considered during the process, but residential central A/C units can cost anywhere from $2,000 to $10,000 depending on the size of your home. However, once the process is complete and it has been respectfully installed central A/Cs provide more evenly cool un-even temperatures through every room and are generally easier to control than having individual window A/C units. Has he would fully expect, but, window A/C units are far less fancy. Window A/C units can cost anywhere between $100 and $1,000 with the average being just under $400. They are also much easier to install. Ultimately, if your lake house is smaller with fewer rooms, window A/C units might be the best option. However, if you have a bigger house, it may be more of a hassle to try and install window A/C units in every single room, and a central A/C method would really be your best bet.