A wall-mounted air conditioner provides more security than a window-mounted unit. A wall-mounted air conditioning unit is an effective way to cool your house and beat the summer heat. An AC unit mounted in a wall provides more security than a window-mounted unit, and it doesn't prevent full usage of a window. Installing an AC unit in a wall is considered a challenging project because it requires you to cut through the interior and exterior walls of your house. You should only attempt this task if you possess an above-average knowledge of carpentry. Choose a spot for the AC unit on the wall. A prime location is one that is 24 to 48 inches off the floor, near the center of the room, and close to an electrical outlet. Prepare the area by moving any furniture or decorations away and remove any pictures or paintings from the wall. Power to the house should be shut off at the main breaker before cutting into walls. Use a stud finder to locate the nearby studs in the wall and mark them with a pencil.

The AC unit should be positioned so that only one stud needs to be cut. In older houses where the studs are spaced one foot apart, it may be necessary to cut two studs to accommodate the width of the AC unit. Measure the dimensions of the AC unit and draw them onto the wall using a level and pencil to ensure they are level. Use a router set to a plunge depth of one inch to cut through the interior wall along your outline. Cut away any insulation in the wall with the utility knife. If you encounter any electrical wires inside the wall opening you will need to have them rerouted by a licensed electrician before proceeding. From the inside of the house, use a power drill to bore through the outside wall at each of the 4 corners. From the outside of the house, use the holes that were drilled to stencil an outline on the wall. Use a circular saw to cut through the exterior wall along your outline and a hand saw to cut through any 2-by-4s blocking the hole. Measure a 2-by-4 and saw it to fit on top of the cut vertical wall studs at the bottom of the hole.

Use the level to ensure it is level and hammer it into place with nails into the opposing studs on both sides. Drive a nail down through the 2-by-4 into the cut vertical studs. Repeat this process with another 2-by-4 for the top of the hole. Mount the AC bracket into the wall using the manufacturer's supplied hardware. Most AC brackets are secured to the surrounding 2-by-4s with wood screws. Use the level to ensure the bracket is plumb before it is secured into place. Apply caulk around the outside of the bracket to prevent any air or water seepage. old air ac unitsSlide the AC unit into the hole and secure it to the bracket using the manufacturer's supplied hardware. carrier ac parts in charlotte ncThe typical AC unit is secured to its bracket using nuts and bolts tightened with a socket wrench. central air conditioner units online

If the AC unit has any additional exterior mounting braces, install them per the manufacturer's instructions. Run a generous bead of caulk between the outside of the unit and the exterior shingles or clapboards. Use a handsaw and miter box to cut appropriate length molding at 45 degree angles and secure it in place with finishing nails around the unit. Plug the unit in and power it on. 2,378 posts, read 4,849,708 times 19,534 posts, read 39,623,807 times Originally Posted by zulu400 Who said you can't? I already have a sleeve in the wall with a busted A/C, these things are frigging expensive, but the window units are cheaper... 8,921 posts, read 33,173,370 times 9,918 posts, read 15,197,346 times 13,813 posts, read 38,731,641 times 3,750 posts, read 15,267,568 times Originally Posted by Barking Spider By header you mean like the frame on the inside of the house ? If thats what you meant then its already there, hopefully I can get a smaller one than that.

Originally Posted by accufitgolf Excellent point, the old one was a 120V one and looking to get the same. 1 posts, read 17,778 timesA wall air conditioner is an appliance that is installed through an opening in a wall. A window air conditioning is installed through a window. Both types of air conditioning units share several common factors, such as similar coverage area, pricing and efficiency. Wall or window air conditioning is much more economical when compared to central air conditioning. The following are some of the major differences in window and wall air conditioning units. While some wall air conditioners require an opening in an exterior wall, others can be mounted, though it is less common. Once installed, a wall air conditioner is sealed permanently to the wall, preventing cold air from leaking out of the home and warm air leaking into the home. Because wall units are permanent fixtures, they may prove more economical in the long run because of the prevented air leakage.

However, as mentioned, installation involved creating an opening in the wall in which to securing the unit, making installation a complex task that usually requires professional assistance. Because installation involved cutting a portion of the wall, it is generally not allowed in rental premises. Also, initial costs are usually higher from having to create an opening in the wall. So, you may want to take construction costs and installation fees into consideration. It is important to know that air conditioning units installed through walls must have supporting brackets or sleeves to support their weight. Also, one major benefit to installing a wall air conditioner is that you do not have to give up your window, which means you can let in fresh air on days you're not running the unit. Generally window air conditioning units tend to be more popular, because they provide high efficiency at low costs. Most window air conditioners are easy to install without professional help, as they fit right in an existing window.

Because a window air conditioner is easy to install and remove by yourself, installation costs are much cheaper than with wall AC units. There are several types of window air conditioning units available, which can fit in vertical or horizontal windows. Some can also fit through sliding windows. Before purchasing a window air conditioner, make sure your window is suitable for the purpose. Also, be sure to take accurate measurements to the store with you so that the unit you purchase will fit into the window snugly. You can install brackets to get better security for your unit. Some window air conditioners can be installed through a wall, but wall units cannot be installed in a window. If your window air conditioner is the right size for an opening in your wall, you can use it for that purpose but must purchase appropriate supporting brackets to reduce stress on the wall. Window air conditioners are not installed permanently and must be adequately protected, or removed and stored indoors, during the winter to prevent damage.