10 Best AC Support Brackets Without Drilling 2025 in the United States

The Ivation Air Conditioner Support Bracket is designed to hold window AC units without the need for tools or drilling, making it a convenient choice for those who prefer a hassle-free installation. It supports window units up to 200 lbs, which is ideal for most residential AC units. The bracket is made of heavy-duty steel with an epoxy coating, ensuring durability and long-lasting support.

It can easily expand from 24” to 38” to fit most single or double hung windows and adapts to exterior wall thicknesses of 4” to 11”, offering good adjustability. The installation process is quick and straightforward, requiring no tools, drilling, or additional hardware, which can be a big advantage for those looking to avoid complex setups. Enhanced safety features like support legs and extension beams provide extra stability, while integrated rubberized feet add to the security of the setup.

Users should consider the window dimensions and wall thickness compatibility before purchasing to ensure it fits their specific needs. The product's depth of 19.25 inches might be limiting for some window configurations. Those with particularly heavy or large AC units should verify the weight capacity and stability features to ensure safe use.

The Marudina Upgraded No-Drill Window AC Bracket is a solid choice if you need a support bracket that doesn't require drilling, making it ideal for renters or those who want to avoid damaging windows or walls. It can securely hold air conditioners up to 250 pounds, thanks to its heavy-duty aluminum frame and dual-arm support system. The bracket adjusts easily to fit single or double-hung windows, with a 3-step latch system that allows one-person installation and has helpful markings to level the unit correctly. The aluminum material is rustproof and built to withstand various weather conditions, which adds to its durability.

Thick rubber pads provide strong anti-slip grip, helping to keep the AC stable even during storms or wind. Installation is straightforward and doesn’t leave marks, preserving the window area. One thing to note is that while the bracket is designed for easy use, it’s specifically made for windows with sills and may not be compatible with all window types. Also, the product weighs about 4 pounds, which is manageable but something to consider if you're installing it alone.

This bracket delivers strong stability and a high weight capacity along with a renter-friendly installation process, making it a practical option for those wanting to avoid drilling and maintain the condition of their windows.

The CAT SO RICH No-Drill Window AC Bracket is a solid choice for anyone looking to support a window air conditioner without making permanent changes like drilling. It holds up to 300 pounds, which covers most window AC units from 5,000 to 24,000 BTU, so it can handle a wide range of cooling needs. The bracket adjusts between 34 to 42 inches wide and fits wall thicknesses from 3 to 11 inches, offering flexibility for many single or double hung window sizes.

Made from heavy-duty epoxy-coated steel, it promises good durability and rust resistance for long-term use. Installation is a standout feature here—no tools or drilling required, making it renter-friendly and quick to set up. It also comes with non-slip rubber pads to keep the unit stable and reduce noise, plus a built-in bubble level to ensure proper positioning. However, it’s important to note that this bracket won’t work on hollow aluminum window sills, so check your window type before buying.

Weighing about 10.5 pounds, it’s sturdy but still manageable to install by one person. This bracket is ideal for renters or homeowners wanting an easy, secure, and adjustable way to support their window AC without damaging their property, as long as the window meets the size and sill material requirements.