How to install air conditioner window unit

how to install air conditioner window unit

How to Install a Window Air Conditioner

Set the air conditioner on the window frame. Pull the upper window sash down to the top of the box and behind the upper flange. This will provide additional stability. Use screws to attach the cabinet and/or flange guide to the window sash and window stool of the unit. Sep 02, Enlist a helper to set the A/C in position. With the bottom window sash up as far as it'll go, center and insert the A/C in the window. Keep it balanced as you slide the flange on the bottom of the case against the outside edge of the windowsill. Then lower the bottom window sash until it rests on the A/C and securely against the top flange.

Whereas putting in a central air conditioning system typically requires a professional crew, installing a window air conditioner is a cinch. Even a self-described hopeless amateur ought to have little trouble here. Bear in mind, however, that not all window designs are meant to accommodate such a large, unwieldy box. The following instructions apply only if you wish to install a window air conditioner in a sash or double-hung window.

Window air conditioners are sold in a variety of sizes, and each model has a different cooling capacity, rated in BTUs. Many online calculators like this one from Good Housekeeping exist to help you identify the number of BTUs needed wir efficiently cool a instakl of a given size. You also need to be certain that the unit physically fits in your window. Two pairs of hands are best for how to get a good six pack fast but the very smallest air conditioners.

Open the window! Open it wide enough to accommodate the height of the air conditioner. Next, pick up the unit and rest it on the bottom of the window frame. Have your helper hold the unit in place while you see to the remaining tasks. Most window air conditioners are designed with what to wear for wild west day flangesone that runs along the top of the unit, another along the bottom.

After positioning the bottom flange so that it abuts the windowsill, proceed to lower the window sash which you had raised in Step 2 until its bottom rail meets the top flange on the unit. Your air conditioner probably came with one or two small angle brackets that must be used to secure the two sashes together, preventing them from slipping apart or from being accidentally opened, either of which occurrences could aie the air conditioner to fall out of the window.

At this point, make sure that all screws that came with the unit have been secured according to the instructions. The last step is to seal the opening between the upper sash and the lower sash, which has been raised to accommodate the unit. Your air conditioner should have come with at least one foam insulating strip.

Cut it to length, then fit it snugly into the gap between the lower sash and the glass panes of the top sash. Disclosure: BobVila. You agree that BobVila. All rights reserved. Expert advice from Bob Vila, the most trusted name in home improvement, home remodeling, uunit repair, and DIY.

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With these simple tips, it's a breeze to install a window air conditioner quickly and securely!

May 03, Raise the windows lower sash and set the A/C unit centered on the windowsill. Most the weight will be hanging out the window, so be sure to Author: Timothy Dahl.

Plus, window air conditioners are easy to install. As a general rule, you need about 20 BTU of cooling for every square foot of living space. So, for example, a 12xft. Listed below are the most common sizes of window air conditioners for rooms ranging from to 1, square feet:. An oversized air conditioner will pump too much moisture back into the room, raising the humidity to unsafe levels, especially for those with breathing difficulties.

Excessive moisture can also create a breeding ground for dust mites and mold. This compact model from Haier is one of the quietest and most energy-efficient window air conditioners on the market. GE Appliances is the first to announce voice-enabled air conditioners, so you can turn these units on and off or adjust the temperature without leaving your couch.

Designed to quickly cool large spaces, this high-performance, 8, BTU LG window air conditioner is ideal for rooms up to 17 x 20 feet. Summer might be hot, but so is the competition to sell these appliances, with anywhere from 1.

Department of Energy. That competition helps you, as manufacturers hold down prices and outbid each other to add features such as voice control, app control, hand-held remotes, timers, and features like a dehumidifier setting. Bells and whistles are nice, but more so is the increased energy efficiency of these appliances. Most window-mounted air conditioners are designed to fit into double-hung windows, but most units can also be placed in swing-out casement or sliding windows.

Check with the air-conditioner manufacturer for specific installation instructions. Start by raising the lower sash, and then measure the height and width of the opening.

The energy efficiency of a room air conditioner is designated by its EER number, which stands for Energy Efficiency Rating. A rating of 10 or higher is considered ideal for saving electricity and lowering your utility bills. And be sure to look for features such as digital temperature controls, variable fan speeds, and sleep settings, which also can help conserve power.

Installing a window air-conditioner is best done with two people. Even small air conditioners are heavy and awkward to lift. Start by reading the installation manual and familiarizing yourself with all the included hardware and fasteners.

Most units come with a kit that includes adjustable window extensions and metal mounting brackets. These parts will ensure a secure and airtight fit in the window opening. And for additional support, especially for larger air conditioners, consider purchasing a steel support bracket and mount it to the outside house wall, directly below the windowsill. Most the weight will be hanging out the window, so be sure to keep a firm grip on the unit.

The installation kit typically includes two small L-shaped metal brackets, which are used to prevent the lower sash from being raised. Set one bracket on the far left, top edge of the lower sash. Then, use a cordless drill to screw the bracket to the upper sash. Repeat to install the remaining bracket to the far right side of the lower sash. Note that in some cases you must install the extensions prior to setting the unit in the window; check the installation manual for specific details.

Pull out each extension to close off the space to the left and right of the air conditioner. Screw the vertical mounting flange of each extension to the window jambs. Take the thick foam-rubber weather stripping and stuff it into the gap along the top edge of the lower sash to block out insects and hot air.

This is important to allow condensation to drip outside, not into the room. Air conditioners draw a fair amount of electricity, so be mindful of the circuit into which you plug the unit.

If the same circuit powers other high-energy appliancesrefrigerators, dryers, ovensconsider plugging in the air conditioner elsewhere. Removing a window air-conditioner unit can be difficult, so unless you really need access to the window or want to create a better seal for winter, it's best to leave it in place and protect it with a slip-on cover.

After removing all the hardware, raise the lower sash and lift the air conditioner out of the window and set it onto a thick blanket spread on the floor. Vacuum the outside of the unitespecially the louvered ventsand then wipe it down with a damp cloth. Place the air conditioner back into its original box, using the dense-foam packing material to protect it from damage.

Put all the screws, brackets and other installation hardware items in a re-sealable plastic bag, and put the bag in the box. Set the box in a cool, dry place for the winter. And if the storage room has a concrete floor, place two 2x4s beneath the box to raise it up and protect it from moisture. Type keyword s to search. Today's Top Stories. Buy Now. Most Convenient.

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