How to Quiet Window AC Unit

If you’re concerned about the noise your window air conditioner is making, there are a few things you can do to make it quieter. First, you should consider the frame of the window itself. Its frame can be noisy, too, so you’ll need to add some foam weatherstripping to dampen the vibrations.

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Next, you can consider getting Custom-made window inserts. While these measures may not be the most permanent fix, they are worth a try.


Besides installing a soundproofing blanket, you should also think about the window frame of your air conditioner. When the window frame shakes, it creates a disturbing noise. This can be avoided by installing shims under the window frames. You can also place a piece of thick foam between the window and the cage. After all, you don’t want to disturb your neighbor! Soundproofing the window ac unit will also help prevent vibrations from happening and increase its longevity.

If you live in an apartment or a house where noise is a problem, you can choose to install a window insert to block the noise. Make sure to choose a window insert that can be easily installed and removed. If you rent, it’s better to find a window insert that fits your windows. The manufacturer of these window inserts will measure your windows to determine the most effective soundproofing system for your unit.

Apart from preventing noise, soundproofing your window AC unit can also increase the value of your home. If you’re planning to sell your home in the near future, soundproofing it will help increase its value. Noise can put off potential buyers and lower its value. In today’s housing market, every little nuance counts! You may want to consider installing a window AC unit. If you don’t know how to do it, read on!

Another effective way to silence your window AC is to place a quiet fence. This fence-like object will block the noise coming from the window AC. But make sure it’s not too close to the window AC, or leaning against it. It should also be firmly anchored into the ground. Acoustic sound barriers are expensive, but can significantly reduce noise from your window AC. Nevertheless, they are a good solution for soundproofing your window AC.


Installing insulation for a quiet window ac unit is crucial to keep your indoor temperature moderate. A well-insulated window ac unit will also help to lower energy costs. While some people opt for foam side panels, you can also use flexible foam insulation. You can cut it to fit your window and install it. If you want to avoid hassles, you can also use a foam seal made of caulk or spray insulation foam.

To determine the cooling output required, you should measure the total area of your room. If you have no insulation, then a quiet window AC will need at least 30,000 BTUs of cooling capacity. In this case, two 15,000 BTU window AC units will suffice. For best results, install two Emerson Quiet Kool EARC15RE1 units. These units provide adequate cooling with a noise level of 56 dB.

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If you have a smaller room, you can choose a window AC unit that fits into it without blocking the windows. You can also choose a larger model with more options in terms of sound insulation. The TOSOT Tranquillity has a width of 21.4 inches, and is one of the quietest window ac units available. Aside from being efficient, it also fits in most windows, ranging from 24 inches to 40 inches. It has a decent number of features, including a three-speed settings, ECO mode, Auto mode, and a 24-hour timer.

Standard AC units often come with substandard framing materials. These do not sit flush against the AC unit, and the more space there is, the more noise it will emit. To avoid this, you can opt for a custom window insert. It’s better to use acrylic window inserts rather than glass because they are easier to cut. The sound-dampening properties of acrylic will reduce the noise in your room.

Soundproofing foam

Adding soundproofing foam to your window ac unit can help muff noise while keeping cool air inside. You can purchase a package that comes with the foam and cut it to fit your window opening. The foam can be easily removed if you decide it doesn’t work for your space. You can also install an acrylic window insert that has tubing on all four sides. The foam will press against the window frame instead of glass.

If your window ac unit makes a lot of noise, you can consider getting an air conditioner compressor soundproof blanket. These blankets are usually made of rubber material, the same material used to isolate sounds from cars. Another great thing about these blankets is their universal design. Since they fit most window ac units, they won’t interfere with the cooling process. If you want the best noise protection for your window ac unit, this type of soundproofing will work wonders.

Another way to soundproof your window ac unit is to install a sound cloud. These products are easy to install and will fit into your window in a matter of minutes. They will reduce reverberation in large open spaces and small rooms. They reduce noise because they have mass and are mechanically disengaged from the walls and ceilings. They must also be tight-sealed to help reduce noise in your home.

When purchasing window ac units, make sure you have sufficient living space to install them properly. Remember to leave a minimum of 4 feet between the window and the cage, as this will help minimize the noise they produce. If you don’t have enough living space to install blankets, you might want to consider installing sound-proofing foam for window ac units. The weight and mass of the foam will help reduce noise levels significantly.

Custom-measured window inserts

If you are worried about noise coming from your ac unit, installing custom-measured window inserts may be the solution for you. While one-size-fits-all window inserts may be cheaper, they simply won’t reduce noise effectively. Custom-measured window inserts are designed to fit virtually any window and skylight, as well as other types of windows. They’re an economical and effective alternative to window replacement, and are often essential in historic preservation of older houses.

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Typically, standard AC units are framed with substandard framing material that does not sit flush against the unit. The result is a larger space and more noise leakage. A custom window insert can be cut to the exact measurements of the AC unit. Acrylic window inserts are also easier to customize and cut, so you can choose the perfect one for your room’s interior. For best results, check out the manufacturer’s website and contact them directly.

A professional installation service can help you find the best fit for your home’s window-sized air conditioner. These professionals will also ensure that no mounting issues arise, reducing noise to a minimum. Using professional installation services can eliminate noise from the unit, and you can also have the window air conditioner installed at a different location. And don’t forget to use window inserts and sound-absorbing platforms when installing your new window-mounted ac unit!

Using foam insulation

Using foam insulation to quiet your window AC unit is a relatively inexpensive way to reduce noise. Simply place a sheet of foam insulation underneath the unit or cover the vent when not in use. Foam can also be applied to window frames and small gaps around the AC unit. The best way to quiet the unit is to use a custom-made sound guard. These sound guards are basically cages with a funnel opening at the top.

A loose casing is another culprit of rattling and humming noises. These noises are caused by the window frame rubbing against the unit’s internal housing. Using foam insulation and sound-dampening rubber sheeting can help quiet the unit. But be sure to do a little experimentation and research before investing in this solution. While there are no guarantees that foam insulation will quiet your window AC unit completely, the process will certainly help you get some peace of mind.

One method of noise reduction is to use low-profile window AC units. These units close in most of the way, eliminating noise. While you don’t want to disturb neighbors, installing these units in low-noise areas can help reduce noise levels. While you might have to make some cuts in the wall to fit the window AC unit, this method will help minimize noise levels. The foam will also give you thermal and noise insulation.

Before you buy a low-noise window AC unit, make sure it has a good energy efficiency rating. Look for a unit that has an EER rating of eight or higher. Lower EERs are considered to be inefficient while an EER of ten is superb. The cooling capacity of a window AC unit is measured in British Thermal Units, and quiet units typically range from 5,000 BTU to big 18,000 BTU units.