How to Install a Window AC in a Sliding Window
Sliding windows are great for areas of the house like kitchens and living rooms where you want a lot of light and a nice view. However, they don’t seal as tightly as casement or awning windows. This can lead to mildew growth or a lack of airflow. This is why you should install sliding window security locks. Let’s learn how to install a window ac in a sliding window!
Measure the Window Frame
When installing new window air conditioning units in your home, you want to make sure that you measure the rough opening correctly. This will ensure that the window fits snugly in your existing frame and doesn’t create micro gaps that affect energy efficiency.
Remove the sashes from the window and measure their width, length, and depth. Be sure to measure from the surface of the jambs, not from moldings or trim strips. For the height, measure from the left, middle, and right of the window and use the smallest measurement to order your window.
Finally, take a few diagonal measurements to check for square alignment. If the frame is out of square, you must call the professionals! Take exterior brick-to-brick or siding-to-siding measurements at three points on the width and height (close to top, close to bottom, and center). Use the smallest dimension for each category.
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Remove the Sash
Sliding windows are great for opening up a space and providing natural light. They’re also ideal for rooms that are used frequently throughout the day, such as living areas and kitchens.
If your sliding window has tilt latches, open them by pressing the Tilt Latch Buttons on both sides of the sash until they click. If your window has metal restrictors that prevent you from fully opening the sash, remove them by unscrewing them with a screwdriver.
You can then push the top of the interior-facing window sash until it sits in the outer window track. Then, apply upward pressure to the bottom portion of the window sash until it sits in the inner window track. To increase efficiency, fill in any gaps between the cooling unit and window frame with foam insulation.
Remove the Frame
Before you can install a window air conditioner in a sliding window, you must remove the frame. This may seem like a daunting task, but it’s actually pretty simple. Start by opening your sliding window as wide as possible.
Next, remove any screws or fasteners that are holding the window to the frame. If there are none, the window should easily pop out. If it doesn’t, you will need to pry it out using a pry bar.
Once the window is removed, clean the rough framing and remove any debris. It’s also a good idea to inspect the window frame for signs of wear or damage and make any necessary repairs now. You should also consider applying some weather strips around the frame to prevent drafts.
Remove the Old AC
With a partner, carefully remove the old AC unit. If the portable unit is large or heavy, enlist a second person to help you lift and set it in position. Ensure that the bottom window sash touches the flange at the bottom of the case and that the accordion-style side panels are securely seated in their slots.
A Slider Windows kit includes a piece of clear, transparent plexiglass to cover the gap above your existing portable air conditioner. This plexiglass is cut to fit the height of your window and is not pre-cut. You or a local handyman will need to measure your window height in order to get the correct dimensions for this part of the project. You’ll also need a power drill to affix the plexiglass to your window frame.
Install the New AC
Sliding windows are a great choice for maximizing picturesque views and natural light. They’re also energy-efficient, keeping cool air in during summer and warm air in during winter. However, sliding windows don’t seal as tightly as an awning or casement window, which can lead to cold air drafts and moisture buildup in the sill.
If you’re planning to install a window-type AC in your horizontally sliding windows, it’s important to prepare the window area before you begin. Remove any bug screens or dust covers, and make sure there aren’t any obstructions in the window frame.
You may want to apply weather strips to protect the window screen from damage. If you’re installing a heavy window-type AC, consider having someone help you lift it into place. This way, you won’t risk injuring yourself or damaging the window frames.
Secure the Sash
It is a good idea to run screws around the edge of the frame for additional support. This will help prevent the window from leaning and falling off the sill.
You can also secure your new sash with vent locks that allow you to open the window for ventilation but limit the amount of window opening, which can prevent break-ins. Another security measure is a keyed bolt-action lock that requires a key for engagement and disengagement, providing a more significant barrier against unauthorized access.
Lastly, you can reinforce your window frames with metal bars and reinforcing plates that make it more difficult to force open your sash windows. You can even upgrade to laminated glass for an extra layer of protection. If you’re really concerned, consider installing a burglar alarm that will sound if someone tries to break into your house through a sash window.
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Install the Louvers
A Horizontal Sliding window opens horizontally along a track and is often combined with fixed picture windows for large spaces. They provide natural light and a great view without blocking out the outside world, but they don’t seal as tightly as other window styles and may leak water in extreme weather.
Before you install the louvers, lay one of the louvers on a flat, non-abrasive surface (a carpeted floor or the louver packing material will work). With a pencil, mark the leading edge of the top slat on the molding and the lower outside edges of the side panels. Then, repeat the process for the other louver. Use the salt marks to align the louvers and slide them together. Then screw the channel side pieces to the frame of the window.
Conclusion
Installing a window air conditioner in a sliding window requires careful preparation and attention to detail. With the right tools for AC installation and a bit of patience, you can enjoy a cool and comfortable living space without compromising your window’s functionality or appearance.
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