Question:

I would like to install air conditioning at home on the first floor of my 2 story. I window-style swing doors, so I can not install a window unit. I could install central air, but I do not use the second floor of the house. The windows are 10 years of age Anderson. I have to replace a window with a double hung window, so it can fit in an air conditioner or go for central air?

Answer:

My firstChoice for energy efficiency and overall comfort, would be to install a central air conditioning system. These systems can "zone" are just a cold floor of the house and not both. However, it should be safe both on and talk with your contractor to plan may also be less costly for some of the pipes "being ready" to install it for cooling the second floor at some point in the future.

Another option would be to install an air by-the-wallAir conditioning. Many of the large units with wall sleeves. How to install, you would need to cut a hole in the outer wall and the structure is equally possible for an opening a window or door frame was. It 'very important to do this properly, as you will compromise the structural integrity of the house. Moreover, this type of system is likely to heat loss in winter, as it is very difficult to seal to prevent loss, cold air

A better solutionthe cost is as the wall between the cost of a centralized system and installed through-the-handset in, might be the ductless air conditioning. I Fujitsu ductless air conditioning system like this in my office and ductless air conditioning works very well as complement my core system, the full room to expand in the office. Ductless air conditioning, you have a wall fan that hangs on the wallYour home. This is connected via a refrigerant line to a small compressor sits outside, like a key. The compressor delivers refrigerant cooled by internal fan that circulates air cooling.

That said, my choice would be (a) central, (2) ductless, (3) through-the-wall.

No matter what ultimately decides, it should be safe, check the air conditioning more efficient. "Energy Star"a great new program called Cool your world with Energy Star @ Home, to help you understand and cooling options.