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Updated:
02 Jun 2026

10 Best Air Conditioner Brackets

#1 Best Pick
Flamorrow Window Air Conditioner Bracket, Heavy Duty Air Conditioner Support Bracket with 2 Arms, Universal Window AC Bracket Holds Up to 200 lbs for 5000 to 22000 BTU

Flamorrow Window Air Conditioner Bracket, Heavy Duty Air Conditioner Support Bracket with 2 Arms, Universal Window AC Bracket Holds Up to 200 lbs for 5000 to 22000 BTU

Brand: Flamorrow
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  • Double Support - The double support structure window ac bracket can support the window air conditioner on window better, designed to transfer the weight of the ac unit to the window air conditioner bracket, prevent the air conditioner from falling off and ensure safety.
  • Universal Adjustable AC Bracket - This window air conditioner bracket is compatible with most air conditioners units on the market, support up to 200 lbs for 5,000 to 22,000 BTU, fits wall thickness from 4" to 15".
  • Heavy Duty Material - The window air conditioner support bracket is made of heavy duty galvanized steel with epoxy coating, rust-resistant, specially designed for the outdoor, will last a long time even in bad weather.
  • Easy Installation - All necessary accessories are provided in the package, easy install with no exterior work, and this window air conditioner support bracket will not damage the outside wall.
  • Special Detail - The ribbed on all metal parts can provide extra strength, the bubble level and three spacers in the package is used to adjust the angle and height of the window ac bracket during installation.
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#2 Best Value
Portable Air Conditioner Vent Kit, Window Seal Set For Mobile Sliding AC Sealing Bracket Kit Fit

Portable Air Conditioner Vent Kit, Window Seal Set For Mobile Sliding AC Sealing Bracket Kit Fit

Brand: Maciun
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  • Enhance Your Living Environment: Designed to seal well, this Portable Air Conditioner Window Door Kit keeps cold air from escaping and hot air from coming into the house. It keeps your room cooler for a longer period of time and enhances your living environment.
  • Length-Adjustable Design: Our Portable Air Conditioner Window Kit has a user-friendly sliding design with easy-to-slide and quick locking panels, no tools are required. Maximum adjustable length: approx. 67.5-130cm/26.6-51.2in for a two-piece set, 67.5-190cm/26.6-74.8in for a three-piece set.
  • Stable and Endurable: Crafted from high-quality stable PVC, you can expect the Air Conditioner Window Sealing Plate to last a long time thanks to its heat resistance, low wind noise, and great flexibility.
  • Well Sealed: The Adjustable AC Vent Kit seals effectively. You embed the panel in the window track and use sealing tape to seal the gaps between the panel and the window.
  • How to Install: You simply need to and fit the panel and exhaust hose adaptor to the window track for a rapid installation. The Portable Air conditioner Window Kit works with most vertical and horizontal sliding window. You can use 2-panel, or 3-panel combinations depending on the size of the window.
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#3 Budget Pick
LBG Products Window Air Conditioner Bracket Light Duty,Support 5,000 to 8,000 BTU Universal AC Unit,Up to 85 lbs

LBG Products Window Air Conditioner Bracket Light Duty,Support 5,000 to 8,000 BTU Universal AC Unit,Up to 85 lbs

Brand: LBG Products
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  • ✅EASIER INSTALLATION:LBG Products Window Air Conditioner Support Bracket frees you from the complex installation process,Only drilling 3 holes into window sill, less harm for windows and the outside wall.
  • ✅WIDELY USED:Adapts to most window styles, fits wall thickness from 4" to 13" or window sill thickness from 2'' to 13''.The Package includes bubble level to adjust the mounting slope position
  • ✅CONVENIENT AND SAFETY:Quick installation from the inside of the house,all hardwares included.The window AC Bracket will transfer the weight from the window to the bracket for safety
  • ✅STRONG QUALITY: Made of Solid galvanized, epoxy-coated steel, which prevent the A/C to drop out of the window;Expansion screws are usually suitable for cement,brick and wood sills.Not fits for hollow aluminum sills.
  • ✅UNIVERSAL DESIGN: Compatible with any brand window units 5,000 to 12,000 BTU , and supports up to 85 lbs.
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#4 Top Choice
Marudina Adjustable Window AC Bracket, Quick Installation in 3minutes Without Drilling, Upgraded Extra Large Adjustment Range, Air Conditioner Support Bracket no Drill w/ Max Load Capacity of 220 lbs

Marudina Adjustable Window AC Bracket, Quick Installation in 3minutes Without Drilling, Upgraded Extra Large Adjustment Range, Air Conditioner Support Bracket no Drill w/ Max Load Capacity of 220 lbs

Brand: Marudina
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  • [ Updated ] Window Air Conditioner Mounting Support Bracket:Ac support bracket Support Legs & Extension Beams Provide Enhanced Support.And the support legs are equipped with anti slip rubber pads to improve stability
  • [ Easily ]No-drill Window AC Support Bracket:open box,some setting and adjusting, then start to enjoy cool summer.It eliminates the need for wall drilling and prevents window damage
  • Quick 3-minute installation:In just 3 simple steps, you can quickly complete the installation of the air conditioning bracket and put it into use smoothly, the whole process is easy and convenient
  • Adjustable & Universal:The window ac bracket,works for window openings that are 26-41 inches wide.Adjusting the wide of the window ac bracket and angle the air conditioning bracket support legs by hands (Pins/Non-threaded pins). Suitable for most window units
  • High Quality Manufacture with galvanized steel:firmly and securely hold the window air conditioner, rust resistant,support for Window Units Weighing Up to 220 lbs
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#5 Popular Choice
Flamorrow Window Air Conditioner Bracket, Universal Heavy Duty Air Conditioner Bracket Support Up to 85 lbs for 5,000 to 12,000 BTU Window AC Units

Flamorrow Window Air Conditioner Bracket, Universal Heavy Duty Air Conditioner Bracket Support Up to 85 lbs for 5,000 to 12,000 BTU Window AC Units

Brand: Flamorrow
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  • 【Relieve Pressure on Window】Relieves stress and weight from the window sill and sash, transferring it to the window ac bracket, ensuring the safety and stability of the air conditioner, minimize damage to your window and exterior wall.
  • 【Universal Adjustable AC Bracket】This window air conditioner bracket is compatible with most window air conditioners units on the market, supports up to 165 lbs for 5,000 to 12,000 BTU, fits wall thickness from 4" to 15".
  • 【Easy Indoor Installation】Without external installation and professional help, the whole installation of window ac bracket can be easily done indoors, simply drill 3 holes in the window sill, which is safe and less harmful to the window.
  • 【Durable Construction】Made from heavy duty steel constructed with a powder coating surface treatment, the window air conditioner support bracket is light weight and sturdy, providing long-lasting support and stability even in bad weather.
  • 【Special Details】The ribbed on all metal parts can provide extra strength, the bubble level and spacers in the package are used to adjust the angle and height of the air conditioner support bracket during installation.
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#6 Top Pick
Flamorrow Window Air Conditioner Support Bracket, Universal Heavy Duty Air Conditioner Bracket Support Up to 165 lbs for 5,000 to 22,000 BTU Window AC Units

Flamorrow Window Air Conditioner Support Bracket, Universal Heavy Duty Air Conditioner Bracket Support Up to 165 lbs for 5,000 to 22,000 BTU Window AC Units

Brand: Flamorrow
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  • 【Relieve Pressure on Window】Relieves stress and weight from the window sill and sash, transferring it to the window ac bracket, ensuring the safety and stability of the air conditioner, minimize damage to your window and exterior wall.
  • 【Universal Adjustable AC Bracket】This window air conditioner bracket is compatible with most window air conditioners units on the market, supports up to 165 lbs for 5,000 to 22,000 BTU, fits wall thickness from 4" to 15".
  • 【Easy Indoor Installation】Without external installation and professional help, the whole installation of window ac bracket can be easily done indoors, simply drill 3 holes in the window sill, which is safe and less harmful to the window.
  • 【Durable Construction】Made from heavy duty steel constructed with a powder coating surface treatment, the window air conditioner support bracket is light weight and sturdy, providing long-lasting support and stability even in bad weather.
  • 【Special Details】The ribbed on all metal parts can provide extra strength, the bubble level and spacers in the package are used to adjust the angle and height of the air conditioner support bracket during installation.
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#7 Top Pick
Universal Window Air Conditioner Bracket - Heavy-Duty Window AC Support - Support Air Conditioner Up to 180 lbs. - for 12000 BTU AC to 24000 BTU AC Units (Heavy Duty)

Universal Window Air Conditioner Bracket - Heavy-Duty Window AC Support - Support Air Conditioner Up to 180 lbs. - for 12000 BTU AC to 24000 BTU AC Units (Heavy Duty)

Brand: ALPINE HARDWARE
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  • The window AC bracket adapts to any window style, with a wall thickness from 3" to 12" and fits window openings 16" or larger. Drilling Is required.
  • All Weather Steel Construction & Easy Indoor Installation - Our bracket support eliminates exterior work with no drilling of outside wall or siding, but DRILLING into the window sill is still required.
  • Safe, Durable & Convenient - Dual AC brackets relieves stress on the window and allows for maximum sturdiness and weight allowance (200lbs)
  • All necessary Air Conditioner mounting bracket hardware included & Works With All Brand Name Air Conditioners Including: Aros, Casement, Fridgidare, Frost King, SPT, Koldfront, Arctic King, GE, Kenmore, LG and many more.
  • Indoor Installation - Install easily from indoors without having any exterior work, just drilling into window sill.
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#8 Top Pick
Marudina Upgraded No-Drill Window AC Bracket, Adjustable Window Air Conditioner Support for Single/Double Hung Windows, Heavy-Duty Holds 250lbs,Easy Installation, Rustproof Aluminum, Renter Friendly

Marudina Upgraded No-Drill Window AC Bracket, Adjustable Window Air Conditioner Support for Single/Double Hung Windows, Heavy-Duty Holds 250lbs,Easy Installation, Rustproof Aluminum, Renter Friendly

Brand: Marudina
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  • No-Drill Design - Protects Windows & Walls:Marudina Window Air Conditioner Support Bracket Snap-on legs with anti-slip rubber pads install without drilling. Leaves no marks - perfect for apartments/historic homes
  • Dual-Arm Support - Holds 250 lbs Securely:Heavy-duty aluminum alloy frame with extension beams distributes weight 2x better. Inner support extends 28.9"–45.4", ideal for single or double-hung windows with sills, ensuring secure and stable installation
  • 3-Step Adjustable System - Single person operation:Latch design allow Support leg distance adjustments with one hand. Built-in graduated lines help users level the air conditioner brackets more precisely.Senior-friendly installation
  • Sturdy & Durable:Marudina Window air conditioner bracket is made of heavy-duty aluminum alloy, offering excellent rust and corrosion resistance for humid/freezing climates
  • 360° Anti-Slip Grip - Storm-Proof Stability:The window air conditioner bracket is equipped with thick rubber pads increase friction by 250%. Silent & stable even in storms
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#9 Top Pick
LBG Products Window Air Conditioner Support Bracket No Drilling,Heavy Duty Universal AC Window Bracket Up to 220 lbs,Drill-Less Easy Installation,Fit for Single or Double Hung Windows

LBG Products Window Air Conditioner Support Bracket No Drilling,Heavy Duty Universal AC Window Bracket Up to 220 lbs,Drill-Less Easy Installation,Fit for Single or Double Hung Windows

Brand: LBG Products
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  • Universal Design - This no drill window air conditioner bracket work for most of window air conditioner units.Window ac bracket supports up to 200lbs,fits for 5000-24000BTU ac units
  • Easy Adjustable - Window air conditioner bracket no driiling can easily expand from 19" - 39" to fit most single or double hung windows. Fits wall thickness from 3" - 11".suitable for cement,brick and wood sills.
  • Heavy Duty Support - Drill less window ac bracket are made of steel plate coated with solid epoxy.The bracket is designed to transfer the weight of AC from the window to the ac bracket.prevent the air conditioner unit from falling out of the window
  • No Drilling Installation - Window ac support bracket is easy to use and install.No external work required, no tools needed.It eliminates the trouble of drilling and has less harm to windows and exterior walls, making installation safe and convenient
  • Upgrade AC Bracket - Quick installation from the inside of the house,all hardwares included.The main body of the window ac bracket is designed with anti slip rubber pads to prevent sliding and reduce the noise generated by the air conditioner.and comes with bubble level to adjust the mounting slope position
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#10 Top Pick
LBG Products Window Air Conditioner Bracket,Heavy Duty AC Support with 2 Arms,Up to 200lbs,Fit 5,000-22,000 BTU AC Units,Easy to Assemble Window AC Brackets

LBG Products Window Air Conditioner Bracket,Heavy Duty AC Support with 2 Arms,Up to 200lbs,Fit 5,000-22,000 BTU AC Units,Easy to Assemble Window AC Brackets

Brand: LBG Products
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  • Universal Design - The window air conditioner bracket is suitable for most window air conditioners on the market,fits wall thickness from 4" to 15",supports weights up to 200 lbs,and fits in 5,000 to 22,000 BTU.
  • Quality Material - The window AC support bracket is made of galvanised steel with epoxy coating,which is strong and rust resistant.Even in bad weather,it will not wear and age and can be used for a long time.
  • Double Support - The window ac bracket has double support,which is more stable compared to single support. Reduce the pressure on the balcony,ensure stable operation of the air conditioner,and prevent ac from falling.
  • Special Detail- Our window ac support bracket built-in bubble level and spacers to help adjust the angle and height of the window ac bracket during installation.window ac support bracket is comes with rubber pads to increase friction and avoid slipping.
  • Easy Installation -All necessary accessories are provided for quick installation,no exterior work.Adjustable Cross bar, only drilling at window sill and this window ac bracket will not damage the outside wall.
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