There is a previous thread on window air conditioners somewhere here but i did not find it in a quick search if you search through the hvac subject threads under the home category of browse projects by category you shoudl be able to find it deals with costs and the electrical needs of window or wall mount self contained air conditioners.
Wall mounted ac unit installation cost.
Item unit cost quantity line cost.
A wall mount system is the most common and generally the least expensive.
Two outlet receptacles with box and cover.
The indoor air handler 1 is installed in the wall usually below the ceiling while tubes connect it to the outdoor handler which operates the system.
883 labor cost install.
They come in different types depending on your type of installation.
A one ton unit with one outdoor and one indoor component at 21 seer rating runs 1 000 to 4 000 depending on the brand and type of indoor mount.
They cost between 700 and 3 000 on average.
This is also a wall mount system but it is for mounting 2 close to the floor in rooms that.
Indoor units are available either as wall mounted horizontal ducted ceiling cassette ducted or floor mounted.
If you have carpentry experience you can do the job for 540 the cost of the unit and framing material and save 26 percent.
Labor costs an additional 300 to 1 000 or more depending on the complexity of the installation.
8000 btu cooling only 115 vac with all trim weather stripping hardware and touch up.
A contractor will build in a 10 000 btu energy efficient air conditioner into a wall for 730 which includes the labor framing material and the unit.
30 feet of romex surface mounted cable 14 3.