How to Install Window Air Conditioner – Step to Step Guide

Install Window Air Conditioner

Window air-conditioner units are a reliable and simple-to-install remedy to keep a room cool while avoiding the expensive building of a central air system. Better yet, once the summer heat dies down, these components can be easily removed for storage, also you can use the windowsill for different purposes.

Check out this list of window air-conditioners and keep reading for the basics on how best to install one.

  • Size the Room

Window AC units come in various sizes and cooling capabilities, and it is important to choose the one that best fits the needs of the space. Check the square footage of the room you want to cool and fit that to a window AC unit. If the area is unusually hot or cool, you can change the air-conditioner cooler capacity accordingly.

Other factors that affect the execution of the air-conditioner are the number of people in the room and how big the doorways are into other spaces.

  • Check Your Window

Most units are supposed to fit in double-hung windows, however, there are models designed for casement windows as well. When choosing a window to place the air conditioner in, keep fire safety in mind. An air conditioner can obstruct egress in the event of a fire, especially if the unit is in a room with just one window.

  • Consider Energy Performance

Air conditioners are rated for energy efficiency. The EER (energy efficiency rating) ranges from 8 to 11.5. 10 or greater is ideal for saving electricity (and lowering your bills). Start looking for features like digital temperature controls, variable fan speeds, and sleep settings, which help conserve power.

  • Installation

Installing a window air-conditioner is best done with two people. These units may be heavy and weird, and the very last thing you need is for your AC unit to drop out of the window or on your flooring.

Installation is easiest with double-hung windows. Many air-conditioner units will come with a kit that includes window extensions and mounting brackets. These can guarantee an air-tight fit and help secure the window. It’s great to pre-fit all attachments on your window before drilling any holes.

Begin by increasing the lower pane and place the unit at the windowsill. Do not release it until you know it’s solidly in place. If your windowsill isn’t wide enough to support the air-conditioner, then you can buy a bracket that attaches to the bottom of the unit and your exterior wall. Next, slide out the device’s extensions to fill out the empty window area. Afterward, level the device according to the manufacturer’s instructions. Many air-conditioner models need to tip slightly to the exterior to drain condensation. But, keep in mind that some components may not be made to tilt. 

Fasten the unit to the brackets or reduce the window pane onto the unit to lock it into place. Most models will have you protected the top windowpane into place to prevent movement. Next, secure the extensions to the window jamb. Finally, seal the unit. On the inside, use weatherstripping provided by the manufacturer; on the outside, utilize calk around the perimeter to ensure a fantastic seal.

If you can’t get a good seal, consider utilizing plywood boards to help seal or match an unusual opening that the ACs extenders won’t fill, or maintain shopping for a unit that has long enough extenders.

  • Power It Up

Air conditioners can use a lot of electricity, so bear in mind the circuit you are linking the device to. If the same circuit powers other high-energy appliances—refrigerators, dryers, vacuums—consider plugging it in elsewhere. The cord’s package should state either “air-conditioner cord” or “major-appliance cord.” These cords are rated to the heavy current draw an air conditioner will impose. Use the shortest cord that is going to do the job. Check the air filter once a month when in use and make sure it is always clear of obstructions.

  • Removal for Storage

Removing a window air-conditioner device can be difficult, so unless you need access to the window or want to make a better seal in the winter, it’s ideal to leave it in place. If you have to remove it, then begin by unfastening the device and pulling it from the window. Make sure you don’t lose any of the hardware or weatherstripping. Store it upright away from any potential moisture or corrosive chemicals.

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