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Q.

How to Install Window AC Bracket?

To install a window AC bracket, first check the AC’s weight balance and mark the center of the window sill, adjusting for any heavier side. Attach sill blocks, then secure the top and bottom bracket bars loosely. Level the top bracket and tilt slightly forward for drainage. Tighten all screws and bolts, then mount the AC securely, ensuring it is stable, slightly tilted forward, and properly aligned for safe and efficient operation.

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0 2026-01-30T23:11:20+00:00

Here are the steps to install the window AC bracket:

  1. Start by unpacking all bracket parts and reading the instructions. Assemble the main support frame using the provided screws. 

  2. Attach the tie struts and adjust them based on your AC unit’s width. 

  3. Next, fix the support legs with pads and bolts, keeping them adjustable. 

  4. Place the bracket on the windowsill and extend the legs until they rest firmly against the outside wall. 

  5. Use the built-in level to ensure the bracket is straight. Tighten all bolts securely. 

  6. Finally, place the AC unit on the bracket, close the window, and add insulation to seal any gaps.

Hope this helps you.

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0 2026-01-29T23:10:47+00:00

Here is how to install window AC bracket:

  1. First, lift the air conditioner slightly on each side to check if its weight is centered. If the AC leans more to the left or right, note which side is heavier.

  2. Next, measure the width of your exterior window sill. For this:

  3. Divide this measurement in half and mark the center point on the sill. 

  4. If the AC’s weight is perfectly balanced, use this center mark. 

  5. If it is heavier on one side, make a second mark 2 to 3 inches toward the heavier side.

  6. Now, take the mounting block from your bracket kit. Drill a hole in the mark you made and attach the block with a screw. 

  7. Then, place the next block from the kit on the first block.

  8. After that, attach the top bracket bar to the sill blocks using screws. Do not tighten the screws completely yet because you may need to adjust the position.

  9. Next, attach the bottom mounting bracket loosely to the top bracket using bolts. 

  10. Use a level on the top bracket to check that it is straight. 

  11. Once it is level, tilt the bracket slightly downward so that rainwater drips away from the house.

  12. After positioning the brackets correctly, tighten all screws and bolts firmly.

  13. Finally, mount the AC unit on the bracket according to the manufacturer’s instructions. Ensure the AC sits securely on the bracket and does not wobble. Double-check that the unit is slightly tilted forward for proper drainage.

Following these steps will help you install a window AC bracket safely and correctly, ensuring that your air conditioner stays stable and works efficiently.

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