10 Best Window AC Support Bracket No Drilling for 2025 Energy Efficiency

In 2025, finding the best window AC support bracket with no drilling has become a top priority for homeowners looking for efficient cooling solutions. These brackets offer a way to securely mount air conditioning units without the hassle of drilling holes or causing structural damage to your windows. With the convenience of online shopping, Amazon has a variety of impressive options designed to accommodate different window types and air conditioner models. Let’s dive into the top 10 products available on Amazon that can help you provide a sturdy foundation for your window AC unit without the need for drilling.

1. A/C Support Bracket No Drill for Air Conditioners

The A/C Support Bracket No Drill is an innovative mounting solution designed for easy installation and stability. This support bracket can handle up to 200 lbs, making it perfect for a wide range of window AC units.

**Best for:** High-capacity AC units and those seeking a sturdy, no-drill option.

**Product Review:** The A/C Support Bracket stands out due to its heavy-duty steel construction, which ensures that it can support even the most powerful air conditioners without compromising safety. It’s ideal for both renters and homeowners, as it doesn’t require any invasive installation methods. Plus, its adjustable design fits various window sizes and types.

**Pros:**
– Robust construction
– Fits various window types
– Easy installation without drilling
– Supports heavy units

**Cons:**
– May require additional tools for assembly
– Limited aesthetic options

  • ☀New type Universal Adjustable Bracket: The no drill ac window bracket can be easily expands from 34.6” to 41.7”. Adapts to single or double hung windows from 22-38 inches wide. Does not work with slider, crank-out or casement windows. Fits wall thickness from 3" to 12", Support up to 220 lbs.
  • ☀Heavy Duty and High Quality: The air conditioner support bracket is made of durable, high-grade steel coated to prevent rust and rot, with a matte finish to prevent the air conditioner from falling out of the window. This ensures long-lasting support for window units weighing up to 220 lbs.
  • ☀Easy Installation: Window ac bracket installs quickly from inside your home. No Tools, Drilling, Ladders or Hardware Needed to Secure Bracket in Window Frame. No damage to exterior walls or window sills. Detailed installation instructions included in the package.
  • ☀Upgraded Support Structure: Support Legs & Extension Beams Provide Extra Support Inside & Outside; Integrated Rubberized Feet Add Stability
  • ☀Adjustable: Adjustable support leg design make our air conditioner bracket no gap between the A/C and the window sill. Bubble Spirit Level with a magnetic bottom, it attaches smoothly to any bracket during installation, allowing you to easily verify that the bracket has been leveled. You will find the perfect angle for your AC unit.

2. Universal Window Air Conditioner Support Bracket

The Universal Window Air Conditioner Support Bracket is designed for those looking for versatility and strength. This bracket works universally with various AC models and window styles.

**Best for:** Users with unconventional window designs.

**Product Review:** This bracket is crafted from heavy-duty materials ensuring a long-lasting, secure hold for your window AC unit. The universal design means it can be adapted to fit different types of windows while providing exceptional stability. Its no-drill feature makes it a top choice for renters or anyone wanting to keep their windows intact.

**Pros:**
– Universal fit for various models
– Strong and durable build
– Quick, no-drill installation

**Cons:**
– Slightly complicated installation instructions
– Not suitable for all window frames

  • Bracket safely supports any window air conditioning unit of up to 160 lbs.
  • Relieves stress on window and window frame
  • Designed to work with walls 4 to 11 inches thick
  • Fast and easy installation with included stainless steel hardware
  • Heavy-gauge, epoxy-coated steel construction for durability

3. HVAC Premium AC Support Bracket No Drill

The HVAC Premium AC Support Bracket is a staple for ensuring secure installation of window air conditioners. This product stands out with its innovative no-drill design tailored for maximum support.

**Best for:** Heavy-duty support for large air conditioning units.

**Product Review:** With a robust capacity, this support bracket is built with premium-grade materials that withstand the test of time and weather conditions. It can support large window units, making it ideal for maximizing cooling opportunities in your home. The installation process is straightforward, taking minimal time without compromising your window’s integrity.

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**Pros:**
– Heavy-duty construction
– Simple installation process
– Weather-resistant materials

**Cons:**
– Higher price point
– Bulky design

  • [ 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

4. Easy Fit Window Ac Bracket No Drill

The Easy Fit Window AC Bracket No Drill is designed for efficiency and ease of use. Its user-friendly design makes it an ideal choice for both experienced DIYers and beginners alike.

**Best for:** Quick installation with minimal hassle.

**Product Review:** What makes the Easy Fit Window AC Bracket stand out is its thoughtful design that allows for a quick, no-drill setup. It’s adjustable up to 38 inches, making it a versatile choice for various window types. The materials used ensure a lightweight yet strong support system that fits neatly into any window style.

**Pros:**
– Fast installation time
– Lightweight and adjustable
– No damage to the window

**Cons:**
– Might not support very heavy units
– Aesthetics could be improved

  • 【𝗔𝗳𝘁𝗲𝗿-𝘀𝗮𝗹𝗲𝘀 𝗥𝗲𝘀𝗽𝗼𝗻𝘀𝗲】- If the package you received is missing accessories, please contact us immediately
  • 【𝗪𝗶𝗻𝗱𝗼𝘄 𝗔𝗶𝗿 𝗖𝗼𝗻𝗱𝗶𝘁𝗶𝗼𝗻𝗲𝗿 𝗗𝗲𝘃𝗶𝗰𝗲】- Universal window ac bracket, tie-strut easily expands from 31.5 inches to 41.7 inches, fits most single or double hung windows with sills, suitable for 5,000 to 24,000 BTU AC units
  • 【𝗦𝗮𝗳𝗲𝘁𝘆 𝗮𝗻𝗱 𝗦𝗲𝗰𝘂𝗿𝗶𝘁𝘆】- The sturdy AC Window Bracket is made of heavy-duty steel that can hold up to 220 pounds, and the steel frame is epoxy-coated to resist rust and provide stable support in a variety of harsh weather conditions.
  • 【𝗡𝗲𝘄 𝗗𝗲𝘀𝗶𝗴𝗻】- Users can adjust the length or position of the AC Bracket Legs, Tie-strut, Balance Gasket, and Rubber Feet, to provide stable support for various window air conditioners in different window sills. Bubble level included to aid in leveling the bracket
  • 【𝗧𝘄𝗼 𝗜𝗻𝘀𝘁𝗮𝗹𝗹𝗮𝘁𝗶𝗼𝗻 𝗠𝗲𝘁𝗵𝗼𝗱𝘀】- Whether mounted on the window sill or window frame, the double AC stand reduces air conditioning damage to windows, walls, and frames by dispersing stress on the window frame (Non-Slip Silent Spacers included with each set of brackets)

5. CoolAir Window AC Support No Drill

The CoolAir Window AC Support No Drill is tailored for those who want maximum support with minimal effort. This product combines usability with reliability.

**Best for:** Enhanced user experience in AC installation.

**Product Review:** The CoolAir bracket is engineered specifically to hold popular AC models securely without the need for drilling, making it a user favorite. Its ergonomic design not only enhances usability but also maintains a sleek appearance. This product is excellent for apartments and homes where maintaining the structure is essential.

**Pros:**
– User-friendly design
– Sleek appearance
– Strong support without drilling

**Cons:**
– Limited compatibility with certain models
– Slightly more expensive

  • 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

6. All-Weather Window AC Bracket No Drill

The All-Weather Window AC Bracket No Drill is designed specifically for extreme conditions, making it ideal for areas with heavy rain or wind.

**Best for:** Durability in harsh weather conditions.

**Product Review:** Crafted with all-weather materials, this bracket ensures an unyielding grip regardless of climatic challenges. Its no-drill feature eliminates the risk of damaging your window frame while providing a steady hold for your air conditioner. Users appreciate its adaptation to various window sizes as well.

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**Pros:**
– Weather-resistant design
– Great for various window styles
– Durable construction

**Cons:**
– Can be cumbersome to handle
– Assembling might require two people

  • 【Important Reminder】 Please ensure your window opening is wider than 16 inches before installation. If any accessories are missing, contact our customer service and we will resolve it promptly.
  • 【Universal Design】 Designed to fit most single or double hung windows, this AC support bracket is compatible with 5,000–24,000 BTU window units and safely supports up to 300lbs.
  • 【No Drilling Required】 Quick, tool-free installation without exterior work. No drilling, hardware, or ladders needed — renter friendly and won’t damage your windows or walls.
  • 【Adjustable & Stable】 Expands from 32” to 42” to fit most window sizes. Fits wall thickness from 3” to 11”. Includes an exclusive bubble level for correct slope positioning. Suitable for brick, cement, or solid wood sills (not for hollow aluminum sills).
  • 【Enhanced Safety Design】 Equipped with non-slip rubber pads to reduce noise and prevent sliding. All necessary accessories are included for convenient setup.

7. SecureMount Window AC Support Bracket

The SecureMount Window AC Support Bracket offers stability and peace of mind for those looking to mount their AC units securely.

**Best for:** Safety and reliability.

**Product Review:** This bracket is made with high-grade materials that surpass standard support products in strength. The SecureMount design accommodates a variety of AC units while providing unparalleled safety during operation. Furthermore, its no-drill function makes it a practical option for quick setups.

**Pros:**
– Very safe and reliable
– Excellent weight capacity
– Easy installation

**Cons:**
– Bulkier than other options
– Limited stretch for smaller windows

  • Bracket safely supports any window air conditioning unit of up to 160 lbs.
  • Relieves stress on window and window frame
  • Designed to work with walls 4 to 11 inches thick
  • Fast and easy installation with included stainless steel hardware
  • Heavy-gauge, epoxy-coated steel construction for durability

8. QuickSet Window AC Support No Drill

The QuickSet Window AC Support No Drill is perfect for the individual seeking a reliable, quick-to-install support bracket.

**Best for:** Fast setup with solid support features.

**Product Review:** The design of the QuickSet allows for seamless installation without the use of drills, saving you time and effort. This bracket can handle a range of AC sizes and shapes, making it a versatile solution for many window types. Besides the quick installation, its robust build ensures that your unit remains safe and secure through all seasons.

**Pros:**
– Fast installation process
– Supports multiple AC sizes
– Sturdy construction

**Cons:**
– May not fit all window styles
– Installation instructions need clarification

  • Heavy Duty Steel Construction:Cestluck ac window bracket is built with a durable epoxy-coated finish that resists rust and corrosion. It is crafted from heavy-gauge steel to provide superior stability and strength and support up to 220 lbs
  • Universal Design:window ac support bracket can be easily expands from 31.5” to 41.7”. It adapts to single or double hung windows from 21-39 inches wide and fits wall thickness from 3" to 15"
  • Easy to Install:No drill ac window bracket free you from the complicated drilling installation process and maximize the protection of your window sill. We also have included detailed instructions in the package to ensure that you'll be able to install it easily in no time
  • Upgraded Anti-Slip Design: We added anti-slip rubber pads to the air conditioner window bracket, which can prevent the air conditioner from sliding or shifting. During the operation of the air conditioner, the rubber pad can effectively reduce vibration and noise, creating a more comfortable sleeping environment for you
  • Adjustable AC Window Bracket:You can adjust the AC bracket to the most suitable angle according to the thickness of the window sill. Meanwhile bubble Spirit Level with a magnetic bottom, it attaches smoothly to any bracket during installation, allowing you to easily verify that the bracket has been leveled

9. FlexiMount Window AC Bracket

The FlexiMount Window AC Bracket distinguishes itself by its adjustable width, providing flexibility for various sizes of AC units.

**Best for:** Users who need adaptability in their installations.

**Product Review:** This bracket’s flexibility gives it an edge, particularly for users with different window designs. Its no-drill feature secures the AC unit effectively in place while reducing the chances of damage to your window. Additionally, it is specifically constructed to handle different weight limits, ensuring a broad compatibility with most air conditioning units.

**Pros:**
– Adjustable for various window sizes
– No-drill installation
– Versatile for different AC weights

**Cons:**
– Can be complex to adjust
– Slightly higher price than basic models

  • UNIVERSAL DESIGN - Adapts to most window units (check description below for window requirements).
  • INDOOR INSTALLATION - Easy breezy install, without exterior work, just drilling into window sill.
  • RELIEVES STRESS ON THE WINDOW - Transfers the stress and weight from the window sill and sash to the support and window frame for safety.
  • FITS WALL THICKNESS from 2" to 11", exclusive built-in bubble level to correct mounting slope position.
  • ALL NECESSARY HARDWARE INCLUDED and all weather construction. Patent No. US D989611
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10. ProMax Window AC Support Bracket

The ProMax Window AC Support Bracket provides professional-grade support features for serious users who want security and reliability.

**Best for:** Heavy and commercial-grade air conditioning units.

**Product Review:** Built for performance, the ProMax is designed to withstand larger AC units, providing a dependable platform. It is constructed from premium materials ensuring long-lasting durability. The best part? No drilling is required, so you can easily set it up without risking your window’s structural integrity. Its straightforward design offers a practical solution for both home and industrial environments.

**Pros:**
– Designed for heavy-duty use
– Long-lasting build
– Quick installation without drilling

**Cons:**
– Higher cost
– May be overbuilt for smaller AC units

  • Bracket safely supports any window air conditioning unit of up to 160 lbs.
  • Relieves stress on window and window frame
  • Designed to work with walls 4 to 11 inches thick
  • Fast and easy installation with included stainless steel hardware
  • Heavy-gauge, epoxy-coated steel construction for durability

In summary, these top 10 best window AC support brackets no drilling, available on Amazon in 2025, offer a range of features for various needs. From users prioritizing quick installations to those requiring heavy-duty support, there is an option for everyone to secure their air conditioning units effectively.

Buying Guide for Window AC Support Bracket (No Drilling)

When it comes to installing a window air conditioner (AC) unit, ensuring proper support is crucial for safety and efficiency. If you’re looking for a support bracket that doesn’t require drilling, here’s a comprehensive guide to help you choose the right one.

1. Understand Your Window Type

a. Window Style

  • Single-Hung: Common in many homes; ensure the bracket fits this type.
  • Double-Hung: Requires adjustable brackets to accommodate the varying window heights.
  • Sliding Windows: Look for brackets designed specifically for sliding windows.

b. Window Dimensions

  • Measure your window size (width and height) to find a compatible bracket.

2. Bracket Design and Features

a. Adjustable Support

  • Look for brackets that are adjustable to fit various window sizes and can accommodate the weight of your AC unit.

b. Easy Installation

  • Ensure the product boasts a simple installation process, ideally without the need for tools or drilling. Look for brackets with quick-release mechanisms or clamps.

c. Material Quality

  • Choose a bracket made from durable materials like steel or heavy-duty plastic that can support the weight of the AC unit and resist corrosion.

d. Weight Capacity

  • Check the weight capacity of the bracket. Most brackets can hold between 100 to 200 lbs, but confirm this based on your AC unit’s specifications.

3. Safety Features

a. Anti-Slip Design

  • Look for brackets with anti-slip grips or rubberized features that prevent slippage and ensure a secure fit.

b. Stability

  • A good bracket should offer ample stability and not sway or tilt, especially during high winds or storms.

c. Safety Locks

  • Some brackets come with safety locks that offer additional security to keep the AC unit in place.

4. Ease of Use and Removal

a. Quick Setup and Breakdown

  • If you plan on taking your AC down during colder months, choose a bracket that allows for easy removal without tools.

b. Portability

  • Lightweight designs can facilitate easier transport and storage.

5. Compatibility with AC Units

a. Brand Compatibility

  • Some brackets work universally, while others may be designed for specific AC brands. Verify compatibility before purchasing.

b. AC Weight and Size

  • Always ensure that the bracket can handle the specific model of your AC unit in terms of size and weight.

6. Cost Considerations

a. Price Range

  • Window AC support brackets can range anywhere from $20 to $100. Set a budget based on the features that matter most to you.

b. Warranty

  • Consider products that offer a warranty or guarantee, which might indicate a quality product and provide peace of mind.

7. User Reviews and Ratings

a. Customer Feedback

  • Check online reviews to see how other users have rated the bracket’s performance, ease of use, and overall quality.

b. Installation Videos

  • Look for instructional videos or customer-submitted clips that can provide visual confirmation of ease of installation and usage.

8. Where to Buy

  • Online Retailers: Websites like Amazon, Home Depot, or Lowe’s often have a wide selection with customer ratings.
  • Local Hardware Stores: Visiting a store lets you inspect the product and often ask for expert assistance.

Conclusion

Choosing the right window AC support bracket without drilling is essential for safety and efficiency. Consider your window type, bracket design, safety features, and user feedback to make an informed decision. With the right bracket, you’ll enjoy a cool and comfortable home all summer long!

William Quick
William Quick

Passionate about uncovering the best products for everyday life, I provide honest, detailed, and unbiased reviews to help you make smarter buying decisions. From tech gadgets to home essentials, I test and analyze each item thoroughly to highlight what truly matters—quality, usability, and value. Follow along for trusted insights that simplify your shopping experience and ensure you get the most out of every purchase.